2022届高考英语复习之语法透析：状语从句课件（44张）

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状语从句
2022高考复习之语法透析
01
知识导图
状语从句
时间状语从句
让步状语从句
原因状语从句
条件状语从句
结果状语从句
目的状语从句
地点状语从句
方式状语从句
比较状语从句
when、while和as引导的时间状语从句
意为“一……就……”的连词引导的时间状语从句
before、since引导的时间状语从句
until/till引导的时间状语从句
although、though、as和while引导的让步状语从句
even if与even though 引导的让步状语从句
“疑问词＋ ever”引导的让步状语从句
“whether...or...”引导的让步状语从句
02
考点精析
when 从句谓语动词为延续性动词或非延续性动词。从句的动作和主句的动作可以同时发生，也可以先后发生
while 从句的谓语动词为延续性动词。从句的动作与主句的动作同时发生
as 从句谓语动词一般为延续性动词。从句的动作与主句的动作同时发生或交替进行，意为“一边……，一边……；随着……”
考点一 时间状语从句
1．when、while和as引导的时间状语从句
02
考点精析
While some people are motivated by a need for success, others are motivated by a fear of failure.
当一些人被成功的渴望驱动的时候，而另一些人被失败的恐惧驱动着。
As the average age of the population increases，there are more and more old people to care for.
随着人口平均年龄的增长，有越来越多的老年人需要照顾。
02
考点精析
2.意为“一……就……”的连词引导的时间状语从句
(1)as soon as、the moment、the minute、the instant、immediately、directly、instantly等引导时间状语从句时，意为“一……就……”表示从句的动作一发生，主句的动作随即发生。
The moment my aunt gained her diploma after four years of hard work, she was filled with joy.
我的阿姨苦读四年之后获得了文凭，那一刻她欣喜万分。
02
考点精析
(2)在hardly...when...、no sooner...than...结构中，主句用过去完成时，而when、than所在的从句用一般过去时。
I had hardly got to the office when my wife phoned me to go back home at once.
我刚到办公室，妻子就打电话让我回家。
02
考点精析
3.before、since引导的时间状语从句
(1) before意为“在……之前；还未……就……；还没有来得及……就……”。常用句式：It will be/was＋一段时间＋before...(过了……时间才……)；It won't be/wasn't＋一段时间＋before...(没过多久就……)。
We need to get to the root of the problem before we can solve it.
在我们解决问题之前，我们需要找到问题的根源。
If you miss this chance, it may be years before you get another one.　
如果你错过了这次机会，可能需要很多年你才能再获得一次。
02
考点精析
(2)since意为“自从……以来”。常用句式：It is/has been＋一段时间＋since从句(常用过去时)。since从句的时态若是一般过去时，主句的时态常用现在完成时或现在完成进行时。
As is reported, it is 100 years since Qinghua University was founded.
正如所报道的，清华大学建校已有一百年了。
02
考点精析
4.until/till引导的时间状语从句
until/till用于肯定句中，意为“直到……为止”，其主句谓语动词必须为延续性动词；not...until/till...意为“直到……才……”，not所在的主句的谓语动词必须为非延续性动词。until可用于句首，而till不能。
If you don't understand something, you may research, study, and talk to other people until you figure it out.　如果你遇到不懂的东西，可以调查、研究以及和其他人交谈，直到你把它弄明白。
She didn't start the lesson until the pupils settled down.
等学生们安静下来后，她才开始上课。
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考点精析
5.every time、each time、next time、the first time、by the time等引导的时间状语从句
By the time you have finished this book, your meal will get cold.　
等你看完这本书，你的饭就凉了。
02
考点精析
考点二 让步状语从句
1．although、though、as和while引导的让步状语从句
Although these measures are not effective forever, they are vital for now.　虽然这些措施并不能永远有效，但它们目前是至关重要的。
Hot as the night air was, we slept deeply because we were so tired after the long journey.
夜晚的空气虽然很热，但因为长途旅行之后我们很累，所以我们睡得很沉。
02
考点精析
(1)though引导的从句可用倒装语序，也可不用倒装语序；although引导的从句不用倒装语序；as引导的从句必须用倒装语序“表语/状语/动词原形＋as/though＋主语＋其他”，若表语是可数名词单数，前置时要省略冠词；
(2)though可用作副词，意为“然而”，表示转折，置于句末；
(3)while引导让步状语从句，只能置于句首。
02
考点精析
2.even if与even though 引导的让步状语从句
even if/even though引导让步状语从句时，表示语气更强的让步，意为“即使、即便”。
Tim is in good shape physically even though he doesn't get much exercise.
蒂姆尽管不怎么锻炼，但体形很好。
02
考点精析
3.“疑问词＋ ever”引导的让步状语从句
whatever、whoever、whomever、whenever、whichever、however、wherever引导让步状语从句时，表示“无论……”，相当于no matter＋疑问词(what/who/whom/when/which/how/where)。
It is generally considered unwise to give a child whatever he or she wants.
总的来说，孩子想要什么就给什么是不明智的。
However hard you try, it is difficult to lose weight without cutting down the amount you eat.
不管你多么努力，如果不减少饭量，减肥很难。
whatever、whoever、whomever、whichever还可引导名词性从句。
02
考点精析
4.“whether...or...”引导的让步状语从句
“whether...or...”意为“无论……还是……”，提供两种对比情况。
All people, whether they are old or young, rich or poor, have been trying their best to help those in need since the disaster.
所有人，无论年老还是年轻，富裕还是贫穷，都一直在尽他们所能帮助灾后需要帮助的人们。
02
考点精析
考点三 原因状语从句
原因状语从句的常见引导词有because、as、since、now that等。
1.表示不知道的原因时用because，即说话人认为听话人不知道，因此because从句是全句中最重要的部分，通常它被置于主句之后。
You want to know why I'm leaving？I'm leaving because I'm fed up with the boss.　
你想知道我为什么要离开吗？我离开是因为我受够了老板。
02
考点精析
2.表示已经知道的原因时用as或since，即某种原因在说话人看来已经很明显，或已为听话人所熟悉，因此它是句中不是很重要的部分。since要比as正式一些，它们通常被置于主句之前，但有时相反。
Seeing all of the children already seated，he said，“Since everyone is here, let's start.”
看到所有的孩子都已经坐好了，他说：“既然大家都来了，让我们开始吧。”
02
考点精析
3.下列情况下只能用because：
(1)在回答why的问句时；
(2)在用于强调句型时；
(3)在被not否定时。
02
考点精析
考点四 条件状语从句
1.条件状语从句的常见引导词有if、unless、as/so long as、in case、once、on condition that、provided/providing (that)、supposing (that)等。
My parents don't mind what job I do as long as I am happy.　只要我高兴，我的父母不在意我从事什么工作。
You can use my car on condition that you return it by next Monday.
你可以用我的车，只要下周一之前还回来就行。
02
考点精析
2. 条件状语从句的时态：
用一般现在时代替一般将来时，用一般过去时代替过去将来时。
If everyone does his part, the project will surely be a success.
如果每个人都尽自己的一份力，这个项目一定会成功。
02
考点精析
考点五 结果状语从句
1.so that引导结果状语从句时，从句中一般不用情态动词，从句前可加逗号。
We turned up the radio, so that everyone heard the news.
我们把收音机音量调大，这样每个人都能听到新闻。
2.so...that中so后面跟形容词或副词；such...that中such后面跟名词。
China is so strong that I am proud to be a Chinese.
中国如此强大，我为自己是一个中国人而自豪。
There was such a crush on the train that I could hardly breathe.
火车上如此拥挤，以至于我都喘不过气来。
02
考点精析
考点六 目的状语从句
1.so that/in order that引导的目的状语从句中需用情态动词can、could等；in order that 引导的从句可位于主句之前或之后，so that引导的从句只能位于主句之后。
He got up early so that he could catch the early train.
为了能赶上早班车他早早地起床。
02
考点精析
2.for fear that (唯恐、以防)与in case引导的目的状语从句中，谓语动词有时也用should/might/could＋动词原形。
The boy hid himself behind the tree for fear that his father might see him.
男孩躲在树后，怕他父亲看见他。
He had his camera ready in case he saw something that would make a good picture.　
他准备好了照相机，以防看到一些他能够拍成好照片的东西。
02
考点精析
考点七 地点状语从句
where与wherever意义基本相同，但后者语气较强，多用于书面语。同时地点状语从句在句首时常兼有抽象条件意味。
Located where the Belt meets the Road, Jiangsu will contribute more to the Belt and Road construction.　
江苏位于“带”和“路”的交汇处，将会对“一带一路”的建设做出更大的贡献。
02
考点精析
考点八 方式状语从句
1.as引导方式状语从句，意为“按照”。
Just as a single word can change the meaning of a sentence, a single sentence can change the meaning of a paragraph.　
正如单个单词可以改变一句话的意思那样，单个句子也可以改变一段文字的意思。
02
考点精析
2.as if或as though的意义和用法基本一样：从句中可以用陈述语气表示可能符合事实，也可以用虚拟语气表示与事实相反。
It sounds as if it is raining.　听起来好像是在下雨。
Jack wasn't saying anything, but the teacher smiled at him as if he had done something very clever.
杰克什么也没说，但老师朝他笑了笑，好像他做了一件很聪明的事。
02
考点精析
考点九 比较状语从句
1.as...as、not so/as...as、the same...as表示相同程度的比较，肯定句用as...as，否定句用not as...as或not so...as。
He doesn't run so/as fast as Jack (does)．
他跑得没杰克快。
2.比较级＋than...
City dweller have a higher death rate than country people do.
城市居民的死亡率比乡下人高。
03
方法解读
如何解析三大从句，辨七大易混点
易混点一　定语从句和并列句
(1)She has many novels, some of ____________ are interesting.
(2)She has many novels, and some of ____________ are interesting.
引导定语从句
which
先行词
some of which 作主语
引导并列句
them
03
方法解读
易混点二　定语从句和状语从句
(1)We young people should go to the place ____________ is in need of help.
(2)We young people should go ____________ we're most needed.
引导定语从句
which/that
先行词
引导状语从句
where
表地点
03
方法解读
易混点二　定语从句和状语从句
(1)I will always remember the days ____________ I lived with my grandparents in the countryside.
(2)I always remember the days in the countryside ____________ I see the photo of my grandparents.
引导定语从句
when
先行词
引导状语从句
when
指时间应用引导词when
03
方法解读
(1)This is such an interesting work of art ____________ all of us like.
(2)This is such an interesting work of art ____________ all of us like it.
引导定语从句
as
as在定语从句中作like的宾
引导状语从句
that
引导结果状语从句，such...that...为固定搭配
03
方法解读
易混点三　定语从句和名词性从句
(1)____________ is known to everybody, the moon travels round the earth once every month.
(2)____________ is known to everybody that the moon travels round the earth once every month.
(3)____________ is known to everybody is that the moon travels round the earth once every month.
引导非限制性定语从句
As
as is known意为“众所周知……”
形式主语
It
引导主语从句，在从句中充当主语
What
03
方法解读
(1)Anyone ____________has helped to save the drowning girl is worth praising.
(2)____________ has helped to save the drowning girl is worth praising.
引导定语从句并在从句中作主语
who
引导主语从句
Whoever
先行词
03
方法解读
(1)The mother made a promise ____________ pleased all her children.
(2)The mother made a promise ____________ she would buy new toys.
引导定语从句并在从句中作主语
that/which
引导同位语从句，说明前面名词的内容
that
03
方法解读
(1)My uncle is the owner of a restaurant close to the place ____________ is the center of the town.
(2)My uncle is the owner of a restaurant close to ____________ I live.
引导定语从句，并在从句中作主语
that/which
引导宾语从句，在从句中作状语
where
03
方法解读
(1)Our teacher did all ____________ he could to help us.
(2)Our teacher did ____________ he could to help us.
引导定语从句，修饰先行词all，并在从句中作宾语
that
引导宾语从句，并在从句中作宾语
what
03
方法解读
(1)I will help those ____________ are in need of help.
(2)I will help ____________ is in need of help.
引导定语从句，并在从句中作主语
who
引导宾语从句，并在从句中作主语
whoever
03
方法解读
(1)She was not ____________ she used to be.
(2)She was not the woman ____________ she used to be.
引导表语从句
what
引导定语从句，并在从句中作表语
that
03
方法解读
易混点四　定语从句和固定句型
(1)It was the time ____________ Chinese people had a hard life.
(2)It is the first time____________ she has been in Shanghai.
引导定语从句，并在从句中作状语。先行词为time
when
固定句型“It is the first/second/third...time...”
that
03
方法解读
易混点五　状语从句和并列句
(1)____________ you take this medicine, you will be all right.
(2)Take this medicine, ____________ you will be all right.
引导条件状语从句
If
连接两个并列句
and
03
方法解读
易混点六　状语从句和名词性从句
(1)I will try my best to help him, no matter ____________ turns to me for help.
(2)I will try my best to help ____________ turns to me for help.
(3)____________ turns to me for help is welcome.
“no matter ____________”引导让步状语从句
who
引导宾语从句
whoever
引导主语从句
whoever
03
方法解读
易混点七　状语从句和独立主格结构
(1)____________ time permits, we'll go camping.
(2)Time____________ (permit), we'll go camping.
引导条件状语从句
If
此处是独立主格结构，其构成为“名词＋分词”
permitting
04
演练提升
1.______________ the weather gets cold, it migrates to east central China.
2.It's easy to grow ______________ it can tolerate unfavorable conditions and partial shade, but it grows best in full sun.
3.The Chinese have such a close relationship with tea ______________they have developed an entire“Tea Culture”．
As/When
because/as
that
04
演练提升
4. “__________________________ much of Jiaolong's equipment was imported, about 95 percent of Shenhai Yongshi and its core components were produced domestically，” said Xu Qinan, the chief designer of Jiaolong.
5.Just as an old saying goes, “______________ there is a will, there is a way.”
6.Whenever I wanted to play with the mobile phone ___________ I had done before, it reminded me to do what I was supposed to do.
Though/Although/While
Where
as
04
演练提升
7.I didn't realize that the cockatiel was still sitting on my shoulder ______________ the door behind me shut loudly.
8.They had no sooner finished the survey by asking the parents the same questions three years later ______________ they found that 18 percent of kids involved in the study were obese.
9.As a general rule, all forms of activity lead to boredom ______________ they are performed on a routine basis.
10.Yesterday was a crazy day.I felt very tired ______________ I had tons of work stuff going on.
until
than
if
because
Thank You！