2024年中考英语二轮语法复习专题：状语从句知识点归纳 课件(共27张PPT)

(共27张PPT)
状语从句
初中语法
宾语从句，在复合句中起宾语作用的从句
一、状语从句
在复合句中作状语的从句叫作状语从句，根据其作用不同，分为九类状语从句。
人称代词是为了避免重复，用来代替前面提到过的人、事物等名词的词，主要包括“你、我、他，她／它、你们、我们、他们／她们／它们”等代词。人称代词有人称、单复数以及格的变化。
1、时间状语从句
1、when/ while/ as引导词：
连接词 意思 用法 例句
when 当......时 谓语动词可用延续性动词和短暂性动词 I t was raining when we arrived.
while 当......时 谓语动词只用持续性动词 Dad was reading while mum was cooking.
as 当.....时， 一边...一边... 强调主从句动作同时进行 I saw the sun as I opened the window.
（时间状语从句用来表示主句动作发生的时间）
人称代词是为了避免重复，用来代替前面提到过的人、事物等名词的词，主要包括“你、我、他，她／它、你们、我们、他们／她们／它们”等代词。人称代词有人称、单复数以及格的变化。
1、时间状语从句
2、until/ till 引导词：
① until和till意为“直到”，很多时候可以互换，但是用于句首的时候，常用until。
Until you get back, I will sit here.
② 【拓展】not until置于句首，主句要用倒装结构。
Not until the film began did she arrive.
③ 在肯定句中，谓语动词用延续性动词：
I will wait until/ till you come back.
④ 在否定句中，谓语动词用短暂性动词：
I won’t leave until/ till you come back.
人称代词是为了避免重复，用来代替前面提到过的人、事物等名词的词，主要包括“你、我、他，她／它、你们、我们、他们／她们／它们”等代词。人称代词有人称、单复数以及格的变化。
1、时间状语从句
3、as soon as 引导词：
as soon as意为“一......就......”，引导的时间状语从句一般用“主将从现”、“主过从过”。
He will come and see you as soon as he can. （主将从现）
The students became quiet as soon as the teacher came in. （主过从过）
4、since 引导词：
since意为“自从......以来”，常与现在完成时连用，since引导的从句用一般过去时。
My grandma has lived here since she was a little girl.
人称代词是为了避免重复，用来代替前面提到过的人、事物等名词的词，主要包括“你、我、他，她／它、你们、我们、他们／她们／它们”等代词。人称代词有人称、单复数以及格的变化。
1、时间状语从句
5、before/ after 引导词：
① before意为“在......之前”，引导的时间状语的动作，发生在主句动作之后。
Before I go to bed, I always brush my teeth.
② after意为“在......之后”，引导的时间状语的动作，发生在主句动作之前。
After the rain stopped, we went down the mountain.
练一练
1. — Learning to love is like learning to walk.
—Yes, ____ we step out bravely, we can find it easy.
A. although B. when C. unless
2. They have been friends _______ they first met.
A. since B. while C. before D. after
3. He was so tired that he fell asleep ________ he went to the bed.
A. as if B. even though C. ever since D. as soon as
一、单项选择题。
B
A
D
人称代词是为了避免重复，用来代替前面提到过的人、事物等名词的词，主要包括“你、我、他，她／它、你们、我们、他们／她们／它们”等代词。人称代词有人称、单复数以及格的变化。
1、if 引导词：
①　if 意为“如果”：
If you get up late, you will miss the train.
2、as/ so long as 引导词：
as/ so long as意为“只要”：
As/ so long as you stick to your dream,you’ll make it come true one day.
2、条件状语从句
（表示条件或前提的从句，遵循“主将从现”、“主过从过”原则）
人称代词是为了避免重复，用来代替前面提到过的人、事物等名词的词，主要包括“你、我、他，她／它、你们、我们、他们／她们／它们”等代词。人称代词有人称、单复数以及格的变化。
3、unless 引导词：
① unless = if … not “除非，如果不” ：
E.g. They will go tomorrow unless it rains.
= They will go tomorrow if it doesn’t rain.
② （拓展）若unless引导的从句本身为否定句，则unless不能用if...not来替换：
E.g. —Paul is badly hurt on the playground. Let’s help him up.
—Don’t move him unless you know some first-aid knowledge.
2、条件状语从句
（表示条件或前提的从句，遵循“主将从现”、“主过从过”原则）
练一练
1. — Can we win the game tomorrow
— Of course, _______ we try our best.
A. if B. or C. unless
2. You won’t fully experience the culture of a foreign country _______ you go there in person.
A. because B. unless C. as soon as D. as long as
3. We will make fewer mistakes_______ we are careful enough.
A. as long as B. so that C. as far as D. even if
一、单项选择题。
A
B
A
人称代词是为了避免重复，用来代替前面提到过的人、事物等名词的词，主要包括“你、我、他，她／它、你们、我们、他们／她们／它们”等代词。人称代词有人称、单复数以及格的变化。
3、让步状语从句
1、although/though 引导词：
although/though意为“尽管，虽然”，不与but连用，但可用yet/ still.
Although/ though he works hard, yet he makes slow porgress.
2、even if/ even though 引导词：
even if/ even though意为“即使，尽管”
Even if / even though it rains, he will come on time.
（表示主句中的某一动作或状态与从句中的某一动作或状态在意义上有部分矛盾。）
人称代词是为了避免重复，用来代替前面提到过的人、事物等名词的词，主要包括“你、我、他，她／它、你们、我们、他们／她们／它们”等代词。人称代词有人称、单复数以及格的变化。
3、让步状语从句
3、wh-ever类 引导词：
whatever, whichever, whenever, wherever, whoever = “no matter + wh-”.
Whatever you want, I’ll give it to you.
=No matter what you want, I’ll give it to you.
Wherever my sister visits, she will send me a postcard.
=No matter where my sister visits, she will send me a postcard.
（表示主句中的某一动作或状态与从句中的某一动作或状态在意义上有部分矛盾。）
练一练
1. ________ it rained a lot, we enjoyed our holiday.
A. Although B. because C. unless D. however
2. Miss Lin is very helpful. She often helps us _______ we are in trouble.
A. whether B. although C. whenever D. however.
一、单项选择题。
A
C
人称代词是为了避免重复，用来代替前面提到过的人、事物等名词的词，主要包括“你、我、他，她／它、你们、我们、他们／她们／它们”等代词。人称代词有人称、单复数以及格的变化。
4、结果状语从句
（结果状语从句表示主句中某一动作或状态所产生的结果）
1、so that 引导词：
so that意为“因此，以致于”.
He got up early, so that he caught the early bus.
人称代词是为了避免重复，用来代替前面提到过的人、事物等名词的词，主要包括“你、我、他，她／它、你们、我们、他们／她们／它们”等代词。人称代词有人称、单复数以及格的变化。
4、结果状语从句
（结果状语从句表示主句中某一动作或状态所产生的结果）
2、so… that… 引导词：
so...that...意为“如此......以致于”
① The wind was so strong that we could hardly move forward.
② She is so beautiful a girl that everybody loves her.
③ He has so few friends that he often feels lonely.
④ I had so little money that I couldn’t buy a pen.
人称代词是为了避免重复，用来代替前面提到过的人、事物等名词的词，主要包括“你、我、他，她／它、你们、我们、他们／她们／它们”等代词。人称代词有人称、单复数以及格的变化。
4、结果状语从句
（结果状语从句表示主句中某一动作或状态所产生的结果）
3、such… that… 引导词：
③　such...that意为“如此......以致于”
① We had such bad weather that we couldn’t go out.
② They are such good children that we all love them.
③ She is such a beautiful girl that everybody loves her.
人称代词是为了避免重复，用来代替前面提到过的人、事物等名词的词，主要包括“你、我、他，她／它、你们、我们、他们／她们／它们”等代词。人称代词有人称、单复数以及格的变化。
4、结果状语从句
（结果状语从句表示主句中某一动作或状态所产生的结果）
4、so…that… 与 such… that… 互换：
两者都意为“如此......以致于”
so+形容词+a/an+单数可数名词+that从句
=such+a/an+形容词+单数可数名词+that从句
E.g. She is so beautiful a girl that everybody loves her.
= She is such a beautiful girl that everybody loves her.
练一练
1. She raised her voice________everyone in the room could hear her.
A. so that B. as soon as C. no matter D. even though
2. Her youngest son is___young ______ he can't dress himself.
A. too; to B. so; that C. such; that D. very; that
3．Sally is ________ a shy girl that she is afraid of speaking in public
A．quite B．such C．so
一、单项选择题。
A
B
B
人称代词是为了避免重复，用来代替前面提到过的人、事物等名词的词，主要包括“你、我、他，她／它、你们、我们、他们／她们／它们”等代词。人称代词有人称、单复数以及格的变化。
5、目的状语从句
（表示主句中的动作或状态发生的目的或动机）
1、so that/ in order that 引导词：
so that，in order that 意为“以便，为了”。目的状语从句中常与情态动词连用：can, could，may, might，will，would，should等。
I am studying hard so that/in order that I can enter a famous university.
Speak louder so that / in order that everyone can hear you.
人称代词是为了避免重复，用来代替前面提到过的人、事物等名词的词，主要包括“你、我、他，她／它、你们、我们、他们／她们／它们”等代词。人称代词有人称、单复数以及格的变化。
（在句中作原因状语的从句）
语气强弱：because＞since＞as
6、原因状语从句
引导词 位置 内涵 语气 回答why 例句
because(因为) 主句前或后 直接因果关系 强 能 He gave up his job because he couldn’t stand his boss.
since(既然) 通常位于主句前 双方都知道的原因 弱 不能 Since everyone is here, we can begin our discussion.
as (由于) 主句前或后 双方都知道的原因 最弱 不能 It is difficult to know what to do, as we are not his parents.
人称代词是为了避免重复，用来代替前面提到过的人、事物等名词的词，主要包括“你、我、他，她／它、你们、我们、他们／她们／它们”等代词。人称代词有人称、单复数以及格的变化。
（表示位置或方向的从句）
1、where, wherever 引导词：
where, wherever意为“在......地方，在任何......地方”:
We should go where the Party needs us most.
Wherever you go, I will be here waiting for you.
7、地点状语从句
人称代词是为了避免重复，用来代替前面提到过的人、事物等名词的词，主要包括“你、我、他，她／它、你们、我们、他们／她们／它们”等代词。人称代词有人称、单复数以及格的变化。
（在句中作比较状语的句子）
1、as…as… 引导：
同级比较:as…as…，意为“A与B一样”
肯定句：He speaks English as well as you do.
否定句：He doesn't run so/as fast as Jack (does).
2、than 引导词:
两者比较：A+比较级 than+B，意为“A比B更…”
He is taller than you.
8、比较状语从句
人称代词是为了避免重复，用来代替前面提到过的人、事物等名词的词，主要包括“你、我、他，她／它、你们、我们、他们／她们／它们”等代词。人称代词有人称、单复数以及格的变化。
（描述主句中动作或状态发生的方式或方法的从句）
1、as引导词：
as 意为“按照、正如、像、如同”
Water is to fish as air is to man.
When you eat Western food, do as Westerners do.
2、as if, as though 引导词:
as if, as though意为“似乎，好像”
① 当从句所说的情况不是现实，而是主观的想象或夸大性比喻，谓语动词常用虚拟语气。
He spoke as if he were the owner of this house.
② 当从句说表示的情况是事实或者实现的可能性较大时，从句用陈述语气。
The sky is dark as if it’s going to rain.
9、方式状语从句
综合训练
1．The housewarming party didn’t start ________ all the guests arrived.
A．since B．until C．while D．if
2．You’d better make a plan ________ you travel.
A．until B．after C．before D．since
3．—Do you go to the party
—No. ________ you go with me.
A．Because B．Unless C．Until D．Though
4．________ you stick to your rules, you will be the one who can manage your life well.
A．As long as B．As soon as C．In order that D．Even though
5．________ you meet difficulties, you shouldn’t give up.
A．No matter when B．No matter what C．No matter how
一、单项选择题。
B
C
B
A
A
综合训练
6．Tom can recite so many poems ________ he is three years old.
A．as B．though C．so
7．We are making a big cake for Dad ________ it’s his birthday today.
A．because B．until C．once
8．_________ you are free today, could you help me with housework
A．Since B．Though C．Unless D．Until
9．Mary has learned a lot about the history of Beijing ______ she can be a tour guide.
A．so that B．after all C．even if
10．— Happiness is about having each tiny wish come true.
— That’s right. ________ we work hard, we’ll make our life full of happiness.
A．If B．Unless C．Though D．But
一、单项选择题。
B
A
A
A
A
综合训练
11．________ my younger brother is seven years old, he can learn English by ________.
A．Although; himself B．Though; herself C．But; oneself
12．My daughter is studying in Nanchang. ________ I’m not with her, I have a video chat with her every day.
A．Until B．Even though C．Ever since D．Unless
13．The teacher speaks very loudly ________ all the students can hear her.
A．when B．because C．since D．so that
14．Tina listened carefully ________ she could discover what she needed.
A．in order that B．such that C．because D．even though
15．Sandy is ________ clever that she has worked out such difficult maths problems.
A．too B．very C．so D．such
一、单项选择题。
A
B
D
A
C
综合训练
16．—Hi, Mom is ________ a wonderful film ________ I want to see it again.
—I agree with you. Let’s see it this weekend.
A．too, to B．as, as C．such, that
17．—Mom, what did your doctor say
—He advised me to live ________ the air is fresher.
A．in where B．in which C．the place where D．where
一、单项选择题。
C
D