专题18 状语从句 中考英语知识清单（通用版）（原卷版+解析版）

专题18-状语从句
中考英语知识清单（通用版）
目录
考情分析： 1
1.状语从句概念： 1
2.时间状语从句： 1
3．地点状语从句： 2
4. 原因状语从句： 2
5. 结果状语从句： 3
6. 目的状语从句： 3
7 条件状语从句： 4
8. 让步状语从句： 4
9.牛刀小试 4
考情分析：
中考主要考查状语从句的类型有：时间状语从句、地点状语从句、原因状语从句、结果状语从句、目的状语从句、条件状语从句及比较状语从句等。
1.状语从句概念：
用一个句子(从句)来作另一个句子(主句)的状语，用作状语的句子就叫作状语从句。作什么样的状语就叫什么类型的状语从句。引导状语从句的连接词是从属连词，状语从句可以在句首，也可以在句尾。
2.时间状语从句：
时间状语从句在主句中表示时间，常用连接词有：when（当……时），while（当……时），as（当……时），before（在……之前），after（在……之后），since（自从），not…until（直到……才）， as soon as（一……就），once（一旦……就）等。
如：
I didn’t go to bed until I finished my homework.
我直到做完作业才去睡觉。
I can listen to the radio while I work.
我可以边听收音机边工作。
(1) 时间状语从句中，一般要用一般现在时代替一般将来时，一般过去时代替过去将来时。
如：
I will telephone you when he comes.
他来时，我会给你打电话。
I’ll stay here until you come back.
我会呆在这里，直到你回来。
(2) when引导时间状语从句，表示主句的动作和从句的动作同时或先后发生，从句的谓语可以是延续性动词，也可以是瞬间动词。
如：
He was working when I went in.
我进去时他正在工作。
When she heard the news, she began to cry.
她听到这个消息，她哭了起来。
(3) while引导的状语从句中常用延续性动词或表示状态的动词，意思是“在……期间”。 while还可以表示两者之间的对比关系。
如：
They rushed in while we were singing.
我们唱歌时，他们冲进来。
I like playing football, while Tom likes listening to music.
我喜欢踢足球，而汤姆喜欢听音乐。
(4) as引导状语从句，强调同时发生，不分先后。可以译成“随着”或“一边……一边”。
如：
John sings as he walks home.
约翰一边往家走一边唱歌。
(5) since引导状语从句，主句常用现在完成时，从句常用一般过去时。
We have been friends since we met in Beijing.
自从我们在北京遇到就一直是朋友。
It has been six years since she left school.
自从她毕业已经有六年了。
(6) until/ till 引导时间状语从句，当主句的谓语动词是瞬间动词时，主句常用否定形式，not… until意思为“直到……才”。
如：
He didn’t go to bed until he finished his homework.
他直到做完作业才睡觉。
3．地点状语从句：
地点状语从句在主句中表示地点。其连接词有where（哪里），wherever（无论哪里）等。
如：
Put it where you find it.
把它放在原来的地方。
You can sit wherever you like.
你喜欢坐在哪里就坐在哪里。
4. 原因状语从句：
原因状语从句在主句中表示原因或者理由。其连接词有：because（因为），as （因为），since（既然）等。
如：
I often eat carrots because they are good for my health.
我经常吃胡萝卜是因为对我的身体有好处。
As I don’t know the way, I had to ask the policeman.
由于我不知道路，所以我不得不问警察。
(1) because表示因果关系语气最强，常用来回答why提出的问题。
如：
I didn’t tell them because they were too young.
我没有告诉他们，因为他们太小。
(2) because和so不能同在一个句子里。
如：
Because the book was expensive, I didn’t buy it. (I 前不用so)
5. 结果状语从句：
结果状语从句在主句中表示结果。其连接词有：so…that…（如此……以至于……），such… that…（如此……以至于……）等。
如：
It’s such a good chance that you can’t miss it.
这次机会如此好，你不能失去它。
注意： so…that 和 such …that 都可以引导结果状语从句，注意so和such后面所接的词不同。
(1) such... that
such＋a(an)＋形容词＋单数可数名词＋that从句
such＋形容词＋复数名词/不可数名词＋that从句
如：
He was such an honest man that he was praised by the teacher.
他非常诚实，因而受到了老师的表扬。
They are such interesting novels that I want to read them once again.
这些小说非常有趣，我想再读一遍。
(2)但是如果名词前由many、much、few、little（少）等词修饰，则用so。
如：
He had so many falls that he was black and blue all over.
他摔了很多跤，以至于全身上下青一块，紫一块的。
(3) so ... that
so＋形容词／副词.＋that从句
so＋形容词＋a(an)＋单数可数名词＋that从句
如：
He runs so fast that nobody can catch up with him.
他跑得非常快，没人能追上他。
Dr. Wang is so good that everybody loves and respects him.
=He is so good a doctor that everybody loves and respects him.
=He is such a good doctor that everybody loves and respects him.
他是一位好医生，大家都尊敬并爱戴他。
6. 目的状语从句：
目的状语从句在主句中表示目的。其连接词有：so（以便），so that（为了），in order that（为了）等，从句中多用情态动词can, will, may, should 等。
如：
He got up very early so that he could catch the first train.
他起床很早以便于赶第一班火车。
I will run slowly so that you can catch up with me.
我慢慢跑以便你能赶上我。
7 条件状语从句：
条件状语从句在主句中表示条件。其连接词有：if（如果），unless （如果不，除非），as long as（只要）等。
如：
If it is fine tomorrow, we will go swimming.
如果明天天气好的话我们去游泳。
注意：在条件状语从句中，一般要用一般现在时代替一般将来时，一般过去时代替过去将来时。
如：
Unless it rains, the game will be played.（= If it doesn’t rain, the game will be played.）
如果不下雨，比赛就将进行。
As long as you tell truth , I’ll try to help you.
只要你说出真相，我就尽力帮助你。
8. 让步状语从句：
常由though/although (虽然)，even if/ though (即使)等引导，但though/although不能和but同时出现在一个句子里。
如：
Though it’s hard work, I enjoy it.（= It’s hard work, but I enjoy it.）
尽管这是一件艰苦的工作，但我乐意做。
Though/Although it was raining，we went there.
虽然下着雨，但我们还是去了那儿。
She won’t leave the TV set even though /even if supper’s on the table.
即使晚饭已摆在桌上，她也不愿意离开电视机。
9.牛刀小试
1．（2022·辽宁丹东·模拟预测）Don’t go across the crossing ________ the traffic light turns green.
A．after B．because C．until D．since
【答案】C
【详解】句意：在交通灯变绿之前不要穿过十字路口。 考查从属连词辨析。after在……之后；because因为；until直到；since自从。根据“Don’t go across the crossing...the traffic light turns green.”可知，此处是not...until...结构，意为“直到……才……”，在句中引导时间状语从句，故选C。
2．（2022·辽宁沈阳·二模）—Remember to take your mobile phone ________ you can call me when you need help.
—OK. I will.
A．even though B．so that C．until D．as soon as
【答案】B
【详解】句意：——记得带上你的手机，以便在需要帮助的时候给我打电话。——好的，我会的。考查连词辨析。even though即使；so that以便于；until直到；as soon as一……就。分析句子可知，“take your mobile phone”的目的是“you can call me when you need help”，用so that引导目的状语从句。故选B。
3．（2022·重庆实验外国语学校二模）You are going to lose your job ________ you try your best to do your part.
A．if B．unless C．until D．when
【答案】B
【详解】句意：除非你尽力做好你那份工作，否则你会失业的。考查从属连词词义辨析。if是否，引导宾语从句；unless除非，引导条件状语从句；until直到……为止；when当……时。根据句意可知，空后“you try your best to do your part.”是空前“You are going to lose your job ”的否定条件，空处表示“除非”，是unless引导的条件状语从句。故选B。
4．（2022·重庆八中模拟预测）________ taking exercise is important, you’d better not exercise too close to bedtime.
A．Though B．As C．If D．Unless
【答案】A
【详解】句意：尽管锻炼很重要，你最好不要在接近睡觉前锻炼。考查连词辨析。Though尽管；As因为；If如果；Unless除非。分析“...taking exercise is important, you’d better not exercise too close to bedtime.”可知逗号前后是让步关系，故用“though”引导。故选A。
5．（2022·河北·模拟预测）We cannot enter the teachers’ office ________ we knock at the door first.
A．though B．unless C．because D．while
【答案】B
【详解】句意：我们不能进入老师的办公室除非我们先敲门。考查连词辨析。though 尽管；unless除非；because 因为；while当……的时候。分析“We cannot enter the teachers’ office...we knock at the door first.”可知空格后的内容是前一句的条件，故用“unless”引出条件。故选B。
6．（2022·安徽黄山·二模）— Let’s go cycling if it ________ fine this Sunday.
— Sounds great. But nobody knows if it ________.
A．is; rains B．is; will rain C．will be; rains D．will be; will rain
【答案】B
【详解】句意：——如果这个星期天天气好的话，我们去骑自行车吧。——听起来不错。但是没人知道会不会下雨。考查动词时态。第一空所在句子是状语从句，根据“this Sunday”可知，遵循主将从现的原则，主句应该是一般将来时，从句是一般现在时，主语是it，所以空处应该填写is；第二空是所在句是宾语从句，同样根据“this Sunday”，主句是一般现在时，从句是一般将来时，故选B。
7．（2022·辽宁辽宁·二模）To relax ourselves means to rest _______ we are doing something fun.
A．while B．if C．until D．although
【答案】A
【详解】句意：放松自己是指当我们在做一些有趣的事情时休息。考查连词辨析。while当……时候；if如果；until直到；although尽管。根据“To relax ourselves means to rest ... we are doing something fun.”可知，当我们在做一些有趣的事情时，放松自己就意味着休息。故选A。
8．（2022·重庆一中模拟预测）There are few buses in Los Angeles. ________ you have a car, it is hard for you to live there.
A．After B．Since C．Unless D．If
【答案】C
【详解】句意：洛杉矶的公交车很少。 除非你有车，否则你很难住在那里。考查从属连词辨析。After在……之后；Since自从；Unless除非；If如果。根据“ it is hard for you to live there.”可知，在那生活会很艰难，除非你有车，故选C。
9．（2022·安徽合肥·三模）Nowadays, Chinese food is getting more and more popular _________ it is not only colorful but also tasty.
A．unless B．because C．although D．until
【答案】B
【详解】句意：如今，中国菜越来越受欢迎，因为它不仅颜色鲜艳而且味道鲜美。考查连词辨析。unless除非；because因为；although尽管，虽然；until直到。根据“it is not only colorful but also tasty.”可知，此处是表示中国菜越来越受欢迎的原因，用because引导。故选B。
10．（2022·重庆巴蜀中学二模）Come on! There is always hope ________ you stop trying.
A．If B．when C．unless D．after
【答案】C
【详解】句意：加油！除非你停止尝试，否则总有希望。考查从属连词词义辨析。If如果，引导条件状语从句；when在……时候，当……时，在……期间，什么时候；引导时间状语从句；unless除非，引导条件状语从句；after在……之后，引导时间状语从句。分析语境可知，后半句是一个条件状语从句，空处表示“除非”。故选C。
11．（2022·辽宁抚顺·模拟预测）The old man gave away much money to the poor, ________ he lived a simple life.
A．though B．unless C．as D．until
【答案】A
【详解】句意：尽管这位老人过着简朴的生活，但他还是给穷人捐了很多钱。考查从属连词辨析。though尽管；unless除非；as当……时，因为；until直到。根据“The old man gave away much money to the poor...he lived a simple life.”可知前后句为转折关系，应用though引导让步状语从句。故选A。
12．（2022·河北保定·模拟预测）The two girls never argue with each other ________ they have different opinions sometimes.
A．until B．if C．though D．since
【答案】C
【详解】句意：这两个女孩从不吵架, 虽然他们有时有不同的意见。考查连词辨析。until直到；if如果；though虽然；since自从。分析句子可知，“The two girls never argue with each other”和“they have different opinions sometimes.”两个句子为让步关系，故用“though虽然”引导。故选C。
13．（2022·重庆·模拟预测）Bob’s mother won’t allow him to visit his grandparents ________ he finishes his work this weekend.
A．unless B．though C．if D．as long as
【答案】A
【详解】句意：鲍勃的妈妈不会允许他去看望他的祖父母，除非他这周末完成了作业。考查从属连词辨析。unless除非；though尽管；if如果；as long as只要。根据“won’t allow him to visit his grandparents”以及“he finishes his work this weekend.”可知两句话关系是假设且相悖，用unless引导条件状语从句。故选A。
14．（2022·云南昆明·二模）—My health code (健康码) turns yellow today.
—You have to stay at home and don’t go out ________ it turns green.
A．when B．after C．until D．as
【答案】C
【详解】句意：——我的健康代码今天变黄了。——你必须带在家里，直到它变绿才能出去。考查连词。when当……时；after……之后；until直到；as当……时。根据“don’t go out … it turns green”可知，直到代码变绿才能出去，此处应用“not…until”表示“直到……才……”。故选C。
15．（2022·辽宁葫芦岛·二模）Keep working hard, and you will achieve your dream of being a writer ________ you give it up halfway.
A．unless B．if C．since D．though
【答案】A
【详解】句意：继续努力，除非你半途而废，否则你就会实现当作家的梦想。考查连词辨析。unless除非，表条件，相当于if not；if 如果，表条件；since自从，表时间；though虽然，表让步。根据“you will achieve your dream of being a writer ....you give it up halfway”结合句意，可知本句中“放弃”是“实现梦想”的否定条件，用unless引导条件状语从句，故选A。
16．（2022·安徽·二模）While having dinner in China, the young often wait ________ the elders take their seats.
A．since B．until C．after D．when
【答案】B
【详解】句意：在中国吃饭时，年轻人常常要等到长辈就座。考查连词辨析。since自……以来；until直到；after在……之后；when当……时。根据“the young often wait ...the elders take their seats.”及中国传统文化可知，此处指等到长辈就座才能用餐，故选B。
17．（2022·辽宁本溪·三模）Your dream is sure to come true ________ you stick to it.
A．as long as B．even if C．as soon as D．ever since
【答案】A
【详解】句意：你的梦想一定会实现的，只要你坚持下去。考查连词辨析。as long as只要；even if即使；as soon as一……就；ever since自从。根据“Your dream is sure to come true…you stick to it.”可知，“坚持下去”是“梦想一定会实现”的条件，as long as“只要”引导条件状语从句。故选A。
18．（2022·辽宁本溪·三模）The doctor didn’t leave his patients ________ he was sure they were all taken good care of.
A．until B．if C．unless D．since
【答案】A
【详解】句意：医生直到确保病人都被照顾很好才离开他们。考查从属连词辨析。until直到，引导时间状语从句；if如果，引导条件状语从句；unless除非，引导条件状语从句；since自从，引导时间状语从句。分析语境可知后半句是时间状语从句，与not搭配构成not...until“直到……才”。故选A。
19．（2022·辽宁葫芦岛·三模）________ the old man has a lot of money, he lives a simple life.
A．So B．Until C．Although D．Because
【答案】C
【详解】句意：尽管这位老人有很多钱，但是他仍然过着简朴的生活。考查连词辨析。So所以；Until直到；Although尽管；Because因为。两句话之间是转折关系，空处应该使用Although引导让步状语从句，故选C。
20．（2022·广西·三模）I was doing my homework ________ my father came in.
A．for B．while C．since D．when
【答案】D
【详解】句意：当我爸爸进来的时候我正在写作业。考查连词用法。for因为，表示原因；while当……时候，引导时间状语从句，从句必须用延续性动词；since自从，引导时间状语时，主句要用现在完成时；when当……时候，引导时间状语从句，从句动词既可以用延续性动词，也可以用非延续性动词。此句主句不是现在完成时，排除C；后面的从句表示“时间”，排除A；从句中的动词“came in”是非延续性动词。故选D。
21．（2022·云南昆明·二模）—I like to sleep with the window open ________ it is really cold.
—Me, too.
A．so B．unless C．until D．if
【答案】B
【详解】句意：——我喜欢开着窗户睡觉，除非真的很冷。——我也是。考查连词辨析。so因此；unless除非；until直到；if如果。根据“I like to sleep with the window open … it is really cold”可知，除非天气很冷，否则喜欢开着窗户睡觉，用unless引导条件状语从句，故选B。
22．（2022·吉林长春·三模）I will go camping with my friends tomorrow, ________ the weather is fine.
A．if B．unless C．though D．since
【答案】A
【详解】句意：如果天气好的话，我明天会和朋友去野营。考查连词辨析。if如果，引导条件状语从句；unless除非，如果不，引导条件状语从句；though尽管，引导让步状语从句；since自从，引导时间状语从句。分析语境可知“the weather is fine”是“I will go camping with my friends tomorrow”的条件，而且应表达“如果天气好”，因此用if引导。故选A。
23．（2022·江苏南通·中考真题）Mary is good at writing. I am sure she’ll get a good place ________ she takes part in the writing competition.
A．before B．if C．though D．unless
【答案】B
【详解】句意：玛丽擅长写作。如果她参加写作比赛，我相信她会获得好成绩。考查连词辨析。before在……以前；if如果；though尽管；unless除非。根据“I am sure she’ll get a good place...she takes part in the writing competition.”可知后句是前句的条件，应用if引导条件状语从句，故选B。
24．（2022·吉林长春·中考真题）I didn’t understand my mom’s love ________ we had a long talk.
A．until B．if C．since D．because
【答案】A
【详解】句意：直到我们进行了一次长谈，我才明白了妈妈的爱。考查连词辨析。until直到；if如果；since自从；because因为。根据“I didn’t understand my mom’s love … we had a long talk”可知，此处用not…until表示“直到……才”，故选A。
25．（2022·辽宁抚顺·中考真题）—The TV play a lifelong Journey (《人世间》) is wonderful.
—I think so. I want to enjoy it again ________ I’ve watched it once.
A．until B．since C．though D．if
【答案】C
【详解】句意：——电视剧《人世间》很精彩。——我也这么想。虽然我看过一次了，但还想再看一遍。考查连词辨析。until直到；since自从；though尽管；if如果。通过“I've watched it once”可知句子之前看过一次了，前后暗含转折关系，用though引导让步状语从句。故选C。
26．（2022·辽宁丹东·中考真题）— Can we win the basketball game tomorrow
— Of course, _______ we try our best.
A．if B．or C．unless D．though
【答案】A
【详解】句意：——明天的篮球比赛我们能赢吗？——当然，如果我们尽力的话。考查连词辨析。if如果；or或者；unless除非；though虽然。“we try our best”是篮球比赛能赢的肯定条件，用if引导条件状语从句，故选A。
27．（2022·贵州黔西·中考真题）You won’t pass the exam ________ you work harder than before.
A．if B．after C．when D．unless
【答案】D
【详解】句意：除非你比以前更努力，否则你不会通过考试。考查连词。if 如果，引导条件状语从句；after在……之后；when当……时候，引导时间状语从句；unless 除非、如果不，引导条件状语从句；根据语境可知，后句是前句的条件，所以空处应是引导条件状语从句的连词，故排除B、C项；并且主句是否定意义，空处连词应是“除非、如果不”。故选D。
28．（2022·辽宁大连·中考真题）The volunteers continued their work ________ they were very tired.
A．if B．because C．although D．as
【答案】C
【详解】句意：志愿者们虽然很累，但仍继续他们的工作。考查连词辨析。if 如果；because因为；although尽管；as当……的时候。根据“The volunteers continued their work...they were very tired.”可知，空格前后句子暗含让步关系，需用although“尽管”引导让步状语从句。故选C。
29．（2022·辽宁沈阳·中考真题）I love going to school ________ everyone in my class is friendly.
A．before B．although C．because D．unless
【答案】C
【详解】句意：我喜欢去上学，因为我班级的每个人都很友好。考查连词辨析。before在……之前；although尽管；because因为；unless除非。“我班级的每个人都很友好”是解释喜欢去上学的原因，用because引导原因状语从句，故选C。
30．（2022·广西梧州·中考真题）In 2020, many doctors went to Wuhan to help the patients, ________ they knew it was dangerous.
A．until B．although C．before D．unless
【答案】B
【详解】句意：2020年，许多医生前往武汉帮助患者，尽管他们知道这很危险。考查连词辨析。until直到；although尽管；before在……之前；unless除非。句子前后暗含让步关系，尽管很危险还是前往武汉帮助患者，用although“尽管”引导让步状语从句。故选B。
31．（2022·广西河池·中考真题）Our classroom won’t be clean ________ we clean it every day.
A．after B．while C．unless D．because
【答案】C
【详解】句意：如果我们不每天打扫，我们的教室就不会干净。考查连词辨析。after在……之后；while当……时候；unless除非，如果不；because因为。前半句表示“教室不会干净”，而后半句表示“我们每天打扫”。空白处应用unless，意为“除非”，引导条件状语从句。故选C。
32．（2022·辽宁营口·中考真题）My pen friend knows a lot about China ________ she has never been here.
A．although B．if C．because D．until
【答案】A
【详解】句意：我的笔友对中国很了解，尽管她从未来过这里。考查连词辨析。although虽然、尽管；if如果；because因为；until直到。根据句意可知，空前空后是让步关系，应用although引导让步状语从句。故选A。
33．（2022·江苏徐州·中考真题）Dad sometimes goes to the supermarket with us ________ he hates going shopping.
A．because B．so C．though D．if
【答案】C
【详解】句意：爸爸有时会和我们一起去超市，虽然他讨厌购物。考查连词辨析。because因为；so因此；though尽管；if如果。根据“Dad sometimes goes to the supermarket with us...he hates going shopping.”可知，尽管讨厌购物，还是和我们去超市，用though“尽管”，引导让步状语从句。故选C。
34．（2022·辽宁辽宁·中考真题）Teenagers should do some housework ________ they finish their homework.
A．until B．but C．after D．unless
【答案】C
【详解】句意：青少年应该在完成家庭作业之后做一些家务活。考查连词。until直到；but但是；after在……之后；unless除非。根据“do some housework”及“they finish their homework”可知表达做完家庭作业之后做家务活，用连词“after”引导时间状语从句。故选C。
35．（2022·内蒙古包头·中考真题）Many wild animals don’t have a safe place to live, ________ villages and farms are growing bigger and taking away their land.
A．because B．until C．although D．before
【答案】A
【详解】句意：很多野生动物没有安全的地方住，因为村子和农场正在逐渐扩大，夺走了它们栖息之地。考查连词。because因为；until直到；although尽管；before在……之前。根据“don’t have a safe place to live”及“villages and farms are growing bigger and taking away their land”可知，后面的句子表达原因，用连词“because”。故选A。
二、同义句转化(共0分)
36．（2022·江苏南通·中考真题）These are sweet memories. I will never forget them. (保持句意基本不变)
These memories are ________ sweet ________ I will remember them forever.
【答案】 so that
【详解】句意：这些是甜蜜的回忆。我永远不会忘记他们。两个句子可以用so...that“如此……以至于”连接，引导结果状语从句，表示“这些记忆是如此的甜蜜，我将永远记住它们。”故填so；that。
37．（2022·上海松江·二模）Unless you improve your pronunciation, you won’t pass the oral test. (保持句意基本不变)
________ you ________ improve your pronunciation, you won’t pass the oral test.
【答案】 If don’t
【详解】句意：除非你改进发音，否则你就不会通过口试。此处是unless引导的条件状语从句，unless“除非，如果不”，是连词，相当于if not，if引导的条件状语从句，遵循主句用一般将来时，从句用一般现在时态，主语是you，含有实义动词improve，变成否定句要借助do+not，可以缩写成don’t。故填If；don’t。
38．（2022·上海虹口·二模）The open-air concert will be put off if there is a typhoon. (保持句意基本不变)
The open-air concert ________ be held as scheduled ________ there is a typhoon.
【答案】 will##won’t unless##if
【详解】句意：如果有台风，露天音乐会将被推迟。根据英文提示可知，可以换成“如果没有台风，露天音乐会将如期举行。”或者“如果有台风，露天音乐会将无法如期举行。”；用unless/if引导条件状语从句；遵循主将从现原则，主句用一般将来时。故填will/won’t；unless/if。
39．（2022·江苏南通·一模）He realized what happened after the earthquake stopped. (保持句意基本不变)
He _________ realize what happened _________ the earthquake stopped.
【答案】 didn’t until
【详解】句意：地震停止后他意识到发生了什么。此句也可用not…until…“直到……才……”表达。原句为一般过去时，应该用助动词did，与not合并为didn’t。故填didn’t；until。
40．（2020·江苏南通·一模）Don’t touch the machine if the teacher doesn’t allow you to. (保持句意基本不变)
Don’t touch the machine ________ the teacher ________ you to.
【答案】 unless allows
【详解】句意：如果老师不允许，请不要触摸机器。改为同义句时，可改为“除非老师允许，不然不要触摸机器”，除非：unless，引导条件状语从句，遵循“主将从现”，从句用一般现在时，主语是“the teacher”，谓语动词用第三人称单数allows“允许”。故填unless；allows。
41．（2021·江苏南通·中考真题）You can’t borrow books from the library without a membership card.(改为复合句)
You can’t borrow books from the library ________ you ________ have a membership card.
【答案】 if don’t
【详解】句意：没有会员卡你就不能从图书馆借书。改为复合句，可以用if“如果”引导条件状语从句，原句时态是一般现在时，所以从句部分时态不变，without可以用“don't have”来替换。故填if；don’t。
（2021·江苏南通·二模）The movie Avatar is popular enough to catch many people’s attention. (保持句意基本不变)
Avatar is _______ a popular movie _________ it catches many people’s attention.
【答案】 such that
【详解】句意：电影《阿凡达》很受欢迎，吸引了很多人的注意。be enough to do“足够做某事”，分析句子结构可知可以和固定结构“such a/an+形容词+可数名词单数+that”互换，故填such；that。
（2022·上海青浦·一模）If you don’t express your opinions, people won’t know what you think.（保持句意基本不变）
People won’t know what you think ________ you ________ your opinions.
【答案】 unless express
【详解】句意：如果你不表达你的观点，人们就不会知道你在想什么。if ... not可用unless代替，意为“除非，如果不”，引导条件状语从句；时态依旧遵循“主将从现”原则，从句中you后用动词原形express。故填unless；express。
（2022·上海·模拟预测）Use you mind, and you will work out the solution by yourself.（保持句意基本不变）
_________ _________ use your mind, you will work out the solution by yourself.
【答案】 If you
【详解】句意：动动脑筋，你就能自己想出解决办法来。根据句意及语境，“use your mind”是“you will work out the solution by yourself.”的条件，故此句可改成if引导的条件状语从句，遵循“主将从现”的原则。故第一空是if，放在句首首字母大写，第二空是主语you。故填If；you。
45．（2022·上海杨浦·一模）In order to concentrate well, you must be relaxed.（保持句意基本不变）
You must be relaxed ________ ________ you can concentrate well.
【答案】 so that
【详解】句意：为了集中注意力，你必须放松。in order to do sth“为了……”等同于 so that引导的目的状语从句。故填so；that。
46．（2022·新疆·模拟预测）They joined the swimming club two years ago. （改为同义句）
It’s ________ two years ________ they joined the swimming club.
【答案】 been since
【详解】句意：他们两年前加入了游泳俱乐部。改为同义句时可表示“他们加入游泳俱乐部已有两年了。”，用“It’s been+时间段+since引导的时间状语从句”句型来表示。故填been；since。
（2022·上海浦东新·模拟预测）The Silk Road was long. It passed through many countries.（合并成一句）
The Silk Road was ________ long ________ it passed through many countries.
【答案】 so that
【详解】句意：丝绸之路很长。它经过了许多国家。分析句子结构可知，把两句连为一句，可以用so...that“如此……以至于……”引导的结果状语从句，故填so；that。
（2021·上海·模拟预测）We got lost in Hopson One because it was very big.（保持句意基本不变）
Hopson One is __________ big ___________ we got lost in it.
【答案】 so that
【详解】句意：我们在霍普森一号迷路了，因为它太大了。原句还可以表达为：霍普森一号太大了，以致于我们在里面迷路了，应用so…that…，如此……以致于……，引导结果状语从句。故填so；that。
（2021·甘肃金昌·一模）I went to bed after my parents came back last night.（改为同义句）
I ________ go to bed ________ my parents came back last night.
【答案】 didn’t until##till
【详解】句意：昨晚我父母回来后我就上床睡觉了。同义句的意思是：直到父母回来以后我才睡觉的。此处考查not…until/till…句型，直到……才……；原句的时态为一般过去时，此处需用助动词did，did not=didn’t。故填didn’t；until/till。
（2022·上海·模拟预测）I climbed to the top of the mountain in order to have a bird view of the town. (保持句意不变)
I climbed to the top of the mountain ________ ________ I could have a bird view of the town.
【答案】 so that
【详解】句意：我爬到山顶以便鸟瞰这个城镇。in order to“以便……，为了……”，后加动词原形；so that“为了，以便于”引导目的状语从句，后加从句，故填so that。
1专题18-状语从句
中考英语知识清单（通用版）
目录
考情分析： 1
1.状语从句概念： 1
2.时间状语从句： 1
3．地点状语从句： 2
4. 原因状语从句： 2
5. 结果状语从句： 3
6. 目的状语从句： 3
7 条件状语从句： 4
8. 让步状语从句： 4
9.牛刀小试 4
考情分析：
中考主要考查状语从句的类型有：时间状语从句、地点状语从句、原因状语从句、结果状语从句、目的状语从句、条件状语从句及比较状语从句等。
1.状语从句概念：
用一个句子(从句)来作另一个句子(主句)的状语，用作状语的句子就叫作状语从句。作什么样的状语就叫什么类型的状语从句。引导状语从句的连接词是从属连词，状语从句可以在句首，也可以在句尾。
2.时间状语从句：
时间状语从句在主句中表示时间，常用连接词有：when（当……时），while（当……时），as（当……时），before（在……之前），after（在……之后），since（自从），not…until（直到……才）， as soon as（一……就），once（一旦……就）等。
如：
I didn’t go to bed until I finished my homework.
我直到做完作业才去睡觉。
I can listen to the radio while I work.
我可以边听收音机边工作。
(1) 时间状语从句中，一般要用一般现在时代替一般将来时，一般过去时代替过去将来时。
如：
I will telephone you when he comes.
他来时，我会给你打电话。
I’ll stay here until you come back.
我会呆在这里，直到你回来。
(2) when引导时间状语从句，表示主句的动作和从句的动作同时或先后发生，从句的谓语可以是延续性动词，也可以是瞬间动词。
如：
He was working when I went in.
我进去时他正在工作。
When she heard the news, she began to cry.
她听到这个消息，她哭了起来。
(3) while引导的状语从句中常用延续性动词或表示状态的动词，意思是“在……期间”。 while还可以表示两者之间的对比关系。
如：
They rushed in while we were singing.
我们唱歌时，他们冲进来。
I like playing football, while Tom likes listening to music.
我喜欢踢足球，而汤姆喜欢听音乐。
(4) as引导状语从句，强调同时发生，不分先后。可以译成“随着”或“一边……一边”。
如：
John sings as he walks home.
约翰一边往家走一边唱歌。
(5) since引导状语从句，主句常用现在完成时，从句常用一般过去时。
We have been friends since we met in Beijing.
自从我们在北京遇到就一直是朋友。
It has been six years since she left school.
自从她毕业已经有六年了。
(6) until/ till 引导时间状语从句，当主句的谓语动词是瞬间动词时，主句常用否定形式，not… until意思为“直到……才”。
如：
He didn’t go to bed until he finished his homework.
他直到做完作业才睡觉。
3．地点状语从句：
地点状语从句在主句中表示地点。其连接词有where（哪里），wherever（无论哪里）等。
如：
Put it where you find it.
把它放在原来的地方。
You can sit wherever you like.
你喜欢坐在哪里就坐在哪里。
4. 原因状语从句：
原因状语从句在主句中表示原因或者理由。其连接词有：because（因为），as （因为），since（既然）等。
如：
I often eat carrots because they are good for my health.
我经常吃胡萝卜是因为对我的身体有好处。
As I don’t know the way, I had to ask the policeman.
由于我不知道路，所以我不得不问警察。
(1) because表示因果关系语气最强，常用来回答why提出的问题。
如：
I didn’t tell them because they were too young.
我没有告诉他们，因为他们太小。
(2) because和so不能同在一个句子里。
如：
Because the book was expensive, I didn’t buy it. (I 前不用so)
5. 结果状语从句：
结果状语从句在主句中表示结果。其连接词有：so…that…（如此……以至于……），such… that…（如此……以至于……）等。
如：
It’s such a good chance that you can’t miss it.
这次机会如此好，你不能失去它。
注意： so…that 和 such …that 都可以引导结果状语从句，注意so和such后面所接的词不同。
(1) such... that
such＋a(an)＋形容词＋单数可数名词＋that从句
such＋形容词＋复数名词/不可数名词＋that从句
如：
He was such an honest man that he was praised by the teacher.
他非常诚实，因而受到了老师的表扬。
They are such interesting novels that I want to read them once again.
这些小说非常有趣，我想再读一遍。
(2)但是如果名词前由many、much、few、little（少）等词修饰，则用so。
如：
He had so many falls that he was black and blue all over.
他摔了很多跤，以至于全身上下青一块，紫一块的。
(3) so ... that
so＋形容词／副词.＋that从句
so＋形容词＋a(an)＋单数可数名词＋that从句
如：
He runs so fast that nobody can catch up with him.
他跑得非常快，没人能追上他。
Dr. Wang is so good that everybody loves and respects him.
=He is so good a doctor that everybody loves and respects him.
=He is such a good doctor that everybody loves and respects him.
他是一位好医生，大家都尊敬并爱戴他。
6. 目的状语从句：
目的状语从句在主句中表示目的。其连接词有：so（以便），so that（为了），in order that（为了）等，从句中多用情态动词can, will, may, should 等。
如：
He got up very early so that he could catch the first train.
他起床很早以便于赶第一班火车。
I will run slowly so that you can catch up with me.
我慢慢跑以便你能赶上我。
7 条件状语从句：
条件状语从句在主句中表示条件。其连接词有：if（如果），unless （如果不，除非），as long as（只要）等。
如：
If it is fine tomorrow, we will go swimming.
如果明天天气好的话我们去游泳。
注意：在条件状语从句中，一般要用一般现在时代替一般将来时，一般过去时代替过去将来时。
如：
Unless it rains, the game will be played.（= If it doesn’t rain, the game will be played.）
如果不下雨，比赛就将进行。
As long as you tell truth , I’ll try to help you.
只要你说出真相，我就尽力帮助你。
8. 让步状语从句：
常由though/although (虽然)，even if/ though (即使)等引导，但though/although不能和but同时出现在一个句子里。
如：
Though it’s hard work, I enjoy it.（= It’s hard work, but I enjoy it.）
尽管这是一件艰苦的工作，但我乐意做。
Though/Although it was raining，we went there.
虽然下着雨，但我们还是去了那儿。
She won’t leave the TV set even though /even if supper’s on the table.
即使晚饭已摆在桌上，她也不愿意离开电视机。
9.牛刀小试
1．（2022·辽宁丹东·模拟预测）Don’t go across the crossing ________ the traffic light turns green.
A．after B．because C．until D．since
2．（2022·辽宁沈阳·二模）—Remember to take your mobile phone ________ you can call me when you need help.
—OK. I will.
A．even though B．so that C．until D．as soon as
3．（2022·重庆实验外国语学校二模）You are going to lose your job ________ you try your best to do your part.
A．if B．unless C．until D．when
4．（2022·重庆八中模拟预测）________ taking exercise is important, you’d better not exercise too close to bedtime.
A．Though B．As C．If D．Unless
5．（2022·河北·模拟预测）We cannot enter the teachers’ office ________ we knock at the door first.
A．though B．unless C．because D．while
6．（2022·安徽黄山·二模）— Let’s go cycling if it ________ fine this Sunday.
— Sounds great. But nobody knows if it ________.
A．is; rains B．is; will rain C．will be; rains D．will be; will rain
7．（2022·辽宁辽宁·二模）To relax ourselves means to rest _______ we are doing something fun.
A．while B．if C．until D．although
8．（2022·重庆一中模拟预测）There are few buses in Los Angeles. ________ you have a car, it is hard for you to live there.
A．After B．Since C．Unless D．If
9．（2022·安徽合肥·三模）Nowadays, Chinese food is getting more and more popular _________ it is not only colorful but also tasty.
A．unless B．because C．although D．until
10．（2022·重庆巴蜀中学二模）Come on! There is always hope ________ you stop trying.
A．If B．when C．unless D．after
11．（2022·辽宁抚顺·模拟预测）The old man gave away much money to the poor, ________ he lived a simple life.
A．though B．unless C．as D．until
12．（2022·河北保定·模拟预测）The two girls never argue with each other ________ they have different opinions sometimes.
A．until B．if C．though D．since
13．（2022·重庆·模拟预测）Bob’s mother won’t allow him to visit his grandparents ________ he finishes his work this weekend.
A．unless B．though C．if D．as long as
14．（2022·云南昆明·二模）—My health code (健康码) turns yellow today.
—You have to stay at home and don’t go out ________ it turns green.
A．when B．after C．until D．as
15．（2022·辽宁葫芦岛·二模）Keep working hard, and you will achieve your dream of being a writer ________ you give it up halfway.
A．unless B．if C．since D．though
16．（2022·安徽·二模）While having dinner in China, the young often wait ________ the elders take their seats.
A．since B．until C．after D．when
17．（2022·辽宁本溪·三模）Your dream is sure to come true ________ you stick to it.
A．as long as B．even if C．as soon as D．ever since
18．（2022·辽宁本溪·三模）The doctor didn’t leave his patients ________ he was sure they were all taken good care of.
A．until B．if C．unless D．since
19．（2022·辽宁葫芦岛·三模）________ the old man has a lot of money, he lives a simple life.
A．So B．Until C．Although D．Because
20．（2022·广西·三模）I was doing my homework ________ my father came in.
A．for B．while C．since D．when
21．（2022·云南昆明·二模）—I like to sleep with the window open ________ it is really cold.
—Me, too.
A．so B．unless C．until D．if
22．（2022·吉林长春·三模）I will go camping with my friends tomorrow, ________ the weather is fine.
A．if B．unless C．though D．since
23．（2022·江苏南通·中考真题）Mary is good at writing. I am sure she’ll get a good place ________ she takes part in the writing competition.
A．before B．if C．though D．unless
24．（2022·吉林长春·中考真题）I didn’t understand my mom’s love ________ we had a long talk.
A．until B．if C．since D．because
25．（2022·辽宁抚顺·中考真题）—The TV play a lifelong Journey (《人世间》) is wonderful.
—I think so. I want to enjoy it again ________ I’ve watched it once.
A．until B．since C．though D．if
26．（2022·辽宁丹东·中考真题）— Can we win the basketball game tomorrow
— Of course, _______ we try our best.
A．if B．or C．unless D．though
27．（2022·贵州黔西·中考真题）You won’t pass the exam ________ you work harder than before.
A．if B．after C．when D．unless
28．（2022·辽宁大连·中考真题）The volunteers continued their work ________ they were very tired.
A．if B．because C．although D．as
29．（2022·辽宁沈阳·中考真题）I love going to school ________ everyone in my class is friendly.
A．before B．although C．because D．unless
30．（2022·广西梧州·中考真题）In 2020, many doctors went to Wuhan to help the patients, ________ they knew it was dangerous.
A．until B．although C．before D．unless
31．（2022·广西河池·中考真题）Our classroom won’t be clean ________ we clean it every day.
A．after B．while C．unless D．because
32．（2022·辽宁营口·中考真题）My pen friend knows a lot about China ________ she has never been here.
A．although B．if C．because D．until
33．（2022·江苏徐州·中考真题）Dad sometimes goes to the supermarket with us ________ he hates going shopping.
A．because B．so C．though D．if
34．（2022·辽宁辽宁·中考真题）Teenagers should do some housework ________ they finish their homework.
A．until B．but C．after D．unless
35．（2022·内蒙古包头·中考真题）Many wild animals don’t have a safe place to live, ________ villages and farms are growing bigger and taking away their land.
A．because B．until C．although D．before
二、同义句转化(共0分)
36．（2022·江苏南通·中考真题）These are sweet memories. I will never forget them. (保持句意基本不变)
These memories are ________ sweet ________ I will remember them forever.
37．（2022·上海松江·二模）Unless you improve your pronunciation, you won’t pass the oral test. (保持句意基本不变)
________ you ________ improve your pronunciation, you won’t pass the oral test.
38．（2022·上海虹口·二模）The open-air concert will be put off if there is a typhoon. (保持句意基本不变)
The open-air concert ________ be held as scheduled ________ there is a typhoon.
39．（2022·江苏南通·一模）He realized what happened after the earthquake stopped. (保持句意基本不变)
He _________ realize what happened _________ the earthquake stopped.
40．（2020·江苏南通·一模）Don’t touch the machine if the teacher doesn’t allow you to. (保持句意基本不变)
Don’t touch the machine ________ the teacher ________ you to.
41．（2021·江苏南通·中考真题）You can’t borrow books from the library without a membership card.(改为复合句)
You can’t borrow books from the library ________ you ________ have a membership card.
（2021·江苏南通·二模）The movie Avatar is popular enough to catch many people’s attention. (保持句意基本不变)
Avatar is _______ a popular movie _________ it catches many people’s attention.
（2022·上海青浦·一模）If you don’t express your opinions, people won’t know what you think.（保持句意基本不变）
People won’t know what you think ________ you ________ your opinions.
（2022·上海·模拟预测）Use you mind, and you will work out the solution by yourself.（保持句意基本不变）
_________ _________ use your mind, you will work out the solution by yourself.
45．（2022·上海杨浦·一模）In order to concentrate well, you must be relaxed.（保持句意基本不变）
You must be relaxed ________ ________ you can concentrate well.
46．（2022·新疆·模拟预测）They joined the swimming club two years ago. （改为同义句）
It’s ________ two years ________ they joined the swimming club.
（2022·上海浦东新·模拟预测）The Silk Road was long. It passed through many countries.（合并成一句）
The Silk Road was ________ long ________ it passed through many countries.
（2021·上海·模拟预测）We got lost in Hopson One because it was very big.（保持句意基本不变）
Hopson One is __________ big ___________ we got lost in it.
（2021·甘肃金昌·一模）I went to bed after my parents came back last night.（改为同义句）
I ________ go to bed ________ my parents came back last night.
（2022·上海·模拟预测）I climbed to the top of the mountain in order to have a bird view of the town. (保持句意不变)
I climbed to the top of the mountain ________ ________ I could have a bird view of the town.
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