时间状语从句(全面掌握)

时间状语从句(全面掌握)

状语从句

思考：什么是从句？

I don’t know the girl in red.

I don’t know the girl who is playing under the tree.

从句要素：①至少要有两个句子

②要有引导词

一、什么是状语从句

状语的功用：状语说明地点、时间、原因、目的、结果、条件、方向、程度、方式和伴随状况等。

状语一般由副词、介词短语、分词和分词短语、不定式或相当于副词的词或短语来担当。其位置一般放在句末，但也可放在句首或句中。

I didn’t realize how special my mother was until I became an adult.

You should have put the book where you found it.

I didn’t go because I was afraid.

二、状语从句的分类

1.时间状语从句

2.地点状语从句

3.原因状语从句

4.条件状语从句

5.目的状语从句

6.让步状语从句

7.比较状语从句

8.方式状语从句

9.结果状语从句10.伴随状语从句

▲常见考点：

考点一、主句与从句的时态呼应问题；

考点二、连接词的选择。

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考点三、状语从句与非谓语动词之间的替换；

考点四、根据从句与主句的逻辑关系选用从属连词；

三、时间状语从句详解

1.引导词

（1）基本类：before ,after ,when ,while ,as ,since ,till ,until ,once ,as soon as. （2）名词类：（由名词词组充当引导词）

the moment ,the minute ,the second ,the instant ,(一…就…)

every time ,each time ,the first time ,the last time

（3）副词类：（由副词充当引导词）

immediately ,directly ,instantly (一…就…)

（4）句型类：

no sooner…than…,hardly/scarcely…when…（一…就…）

2.引导词具体讲解：

当…时候：It was six o’clock when I got home.

Sb was doing sth when…

1)when 这时Sb was about to do sth/was on the point of doing sth when…

Sb had just done sth when…

既然: It was foolish of you to take

a taxi

3

when you

could walk

there in

five

minutes.

既然你能5分钟就走到那儿，再搭出租车真是太傻了。

当…时候(引导持续性动作): He fell asleep while he was reading a book.

2) while 然而(用于句中) : He likes pop music while I am fond of folk music.

虽然,尽管(用于句首) While

volle

yball

is

her

main

focu

s,

she’s

also 4

grea

t at

bask

etbal

l.

当…时候;随着He smiled politely as

Mar

y

apol

ogize

d for

her

drun

ken

frien

ds.

3) as 因为You can’t continue with the training as you have n’t recovered from the injury.

尽管Hot as/though the night air

was,

5

we

slept

deep

ly

beca

use

we

were

so

tired

after the long journey.

正如,正像The air quality in the city,

as is shown in the

report, has

improved in the

last two months.

肯定句:主句的谓语动词必须是延续性动

词。He 6

worked until

late into the

night.

4)till, until

否定句：主句的谓语动词是非延续性动词。

★not…until 的倒装句式和强调句式

He didn’t consider having a holiday until he retired from teaching three years ago.

倒装句式：Not until he retired from teaching three years ago did he consider

having a holiday.

强调句式：It was not until he retired from teaching three years ago that he

considered having a holiday.

5) before 在…之前,….才We had sailed four days before we saw land.

还没来得及Before I could get in a word, he had measured me.

★It was +时间段+before sb did sth…(…才)

★It will be+时间段+before sb does sth (…才)

It was two weeks before we met again.两周之后我们才见面。

It will be two weeks before we meet again. 我们再过两个周才能见面。

6) since 自从… She has been working in this factory since she left school.

既然Since Babara is no longer my wife, I’m no longer responsible for

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