内容正文:
英语
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第二部分 语法专题精讲练
专题十 主从复合句
命题点3 状语从句
[8年8考]
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状语从句是指在复合句中充当状语成分的句子, 由从属连词引导。
状语从句有两个考查点:①引导词; ②时态。
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1. 引导时间状语从句的从属连词#1
连词 含义 用法 例句
while 当……时 具体用法和例句见本表后面的“何时用when,
何时用while的判定方法”。
when 当……时
引导词(从属连词)
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连词 含义 用法 例句
until/till
[8年4考] 直到 until和till通常可以
换用,但是till不用于
句首;“not…until/till”意为“直到……才……”。 You may stay here until the snow stops.
She didn’t go to bed until she had finished her homework.
before
[2025.12] 在……之
前 主句的动作发生在
从句动作之前。 Did she leave a message before she left?
续表
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连词 含义 用法 例句
after
[2023.17] 在……之后 主句的动作发生在
从句动作之后。 Molly showed me lots of beautiful pictures after I got to
her home.
since 自从 从句用一般过去时,
主句常用现在完成
时。 I have worked in this company
since I came to this city.
续表
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连词 含义 用法 例句
as soon as
[2021.27] 一……
就…… 从句动作一发生,主句的动作随即发生,若从句用一般现在时,主句常用一般将
来时。 I will visit you as soon as I come back.
续表
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何时用when,何时用while的判定方法
1. 若主句的动词是短暂性动词,从句的动词是延续性动词,则when和
while都可用。如:
Our teacher came into the classroom when/while we were chatting.
2. 若主句和从句表示两个同时进行的持续性动作,则要用while。如:
My mother was cooking dinner while I was reading a book.
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3. 若从句的动词是短暂性动词,则要用when。如:
It was raining when she arrived at the station.
4. 若主句和从句的动作不是同时发生,而是有先后顺序,则要用when。如:
I will study abroad when I have enough money.
5. when可作并列连词,意为“这时(突然)”,while也可作并列连词,意为“而,却”。
如:
He was ready to leave home when the phone rang.
I like watching action movies while she likes watching comedies.
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2. 引导条件状语从句的从属连词#2
连词 含义 用法 例句
if 如果 若从句用一般现在时,主句常用一般将来时。 If it doesn’t rain, I will go on a
picnic with my friends.
unless 除非 unless可以转化“if…not…”
结构。主从句时态与if的用法一致。 You will be late for school unless
you go now.=You will be late for
school if you don't go now.
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连词 含义 用法 例句
as
long
as 只要 主从句时态与if的用法
一致。 I’ll stay as long as you need me.
续表
3. 引导原因状语从句的从属连词#3
连词 含义 用法 例句
because 因为 表示因果关系的语气最强,用来回答why引导的问句,所引出的原因通常是听话人不知道或最感兴趣的。 I can’t go shopping with
you because I have to
look after my little sister.
since 因为;
既然 表示因果关系的语气比because
弱,引出的原因通常是人们已知的事实,因此经常译为“既然”。 Since everyone is here,
let’s begin.
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连词 含义 用法 例句
as 因为 as语气比since弱,所引出的原因通
常是人们已知的事实或者在说话
人看来已经很明显的原因。 As she is not well, I decide to go alone.
for 因为 语气最弱,不表示直接原因,表示
附加或推断的理解。 The days are short, for it is December now.
续表
because, since和as引导原因状语从句时,都不能和so连用。#3.2.1
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4. 引导让步状语从句的从属连词#4
连词 含义 用法 例句
although 虽然;
尽管 不能与but连用,但是可
以与yet或still连用。 Although/Though he is old, he is very strong.
though
even
though/
even if 即使;
虽然 Even though/Even if I may fail, I will have a try.
whenever 无论什
么时候 引导让步状语从句时相
当于no matter when。 You can ask for help whenever you need it.
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连词 含义 用法 例句
wherever 无论在
哪里 引导让步状语从句时相
当于no matter where。 Some people enjoy themselves wherever they are.
whatever 无论什
么 引导让步状语从句时相
当于no matter what。 Whatever difficulties we meet, we must face them bravely.
whoever 无论是
谁 引导让步状语从句时相
当于no matter who。 Whoever you are, you should obey the public rules.
续表
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5. 引导目的状语从句的从属连词
连词 含义 用法 例句
so that/
in order that 为了;
以便 后接句子。 He works hard so that/in order that he can live a better life.
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6. 引导结果状语从句的从属连词
连词 含义 用法
so…that… 如此……
以至
于…… so+adj./adv.+that从句
so+adj.+a/an+可数名词单数+that从句
such+a/an+adj.+可数名词单数+that从句
such+adj.+可数名词复数/不可数名词+that从句
such…that…
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当名词前有many, much, few, little修饰时,应该用so,不能用such。如:
There were so many people that I couldn’t find a good place to take
photos.
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时态
1. 主将从现[2020.34]。在时间、条件状语从句中,若主句是一般将来时,
从句用一般现在时。
(1)引导时间状语从句:when, while, after, before, until, whenever, as soon as,
once等。如:
I’ll call you as soon as I get to Beijing.
(2)引导条件状语从句:if, unless, as long as等。如:
If my mother allows me to go to the party, I will be very happy.
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2. since引导的时间状语从句中,主句用现在完成时,从句用一般过去时。
如:
Our English teacher has worked in this school since she graduated from
Peking University.
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1.Monica was about to go to the library _____ it began to snow.
A. as B. since C. when D. while
2.—What were you and your sister doing when I called, Alice?
—I was doing my homework _____ my sister was reading a magazine.
A. while B. before C. after D. when
3.I was playing the piano _____ it began to rain heavily.
A. until B. when C. while D. although
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4.—Jack, this desk is _____ heavy _____ I can’t move it.
—Don’t worry. I'll help you.
A. such; that B. too; to C. so; that D. so; to
5.—How was your trip to Mount Huangshan?
—Perfect. It was _____ fine weather _____ we enjoyed the amazing view,
especially the cloud sea.
A. too; to B. enough; to C. so; that D. such; that
6.[2022云南34题]For your safety, you mustn’t get close to the train _____
it stops.
A. while B. when C. since D. until
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7.[2021云南27题] _____ he heard the little girl crying for help outside, he
rushed out of the room.
A. As soon as B. Unless C. If D. Although
8.[2020云南33题]—Excuse me. Where is the nearest hotel?
—Just go down this road _____ you see a library. It’s across from it.
A. until B. because C. however D. though
9. _____ you always break your promises, people will not trust you
anymore.
A. So B. If C. And D. Until
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10. _____ life may sometimes seem smooth, it is full of ups and downs.
A. But B. Although C. However D. Because
11.—Will Helen come to your birthday party this evening?
—I don’t think she will come _____ she finishes writing her report.
A. if B. when C. unless D. because
12.Don’t be afraid of changing _____ it’s leading you to a new beginning.
A. unless B. because C. though D. until
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13.—What is your idea about friends?
—They are like books. We don’t need a lot of them _____ they are good.
A. as soon as B. as long as C. so that D. such as
14.I’ll show Mr. White around the traditional buildings in Dali _____ he
can learn plenty of culture about Chinese ancient buildings.
A. so that B. even if C. ever since D. as soon as
15.My cousin became a good and responsible doctor _____ he finished
medical school.
A. after B. until C. unless D. since
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16. _____ students make mistakes, we teachers should guide them with
patience.
A. Whatever B. However C. Whenever D. Whoever
17.Mandy has learned a lot about Chinese culture and customs _____ she
came to China.
A. while B. as soon as C. until D. since
18.If Mary _____ speaking English every day, her spoken English will
improve a lot.
A. kept B. keeps C. will keep D. have kept
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19.—Excuse me, do you know when Tom _____ tomorrow?
—Sorry, I don’t know the exact time. When he _____ here, I will
call you.
A. will arrive; gets B. will arrive; will get
C. arrives; will get D. arrives; gets
20.—What do you think of Sarah?
—She is pretty active and she has been my friend since we _____ for the
first time.
A. meet B. met C. have met D. were met
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