状语从句1时间状语从句

状语从句---时间状语从句

状语从句在句中作状语，修饰主句中的动词、形容词或副词等。时间状语从句

（1）when ,while ,as 引导时间状语从句的区别

连词用法从句谓语动词when 从句的动作和主句的

动作可以同时发生，

也可以先后发生。

When可指时间点也

可指时间段。

延续性或非延续性

as 强调主从句动作同时

发生，可译为“一边--

一边---，随着”延续性动词或非延续性动词

while 主从句的动作同时发

生，只能表示持续性

的动作或状态

延续性动词

Eg. When I lived there, I used to go to the seashore on Sundays. When the film ended, the people went home.

Please don't talk so aloud while others are working.

As he grew old, he began to go deaf.

(2)表示“一--就--”的连词引导的时间状语从句

连词例句

as soon as , once ①As soon as he arrives, we'll

start to work.

Once you have learned Spanish,

you will find Italian easy.

the moment, the minute, the instant, the second The moment I saw him, I recognized him.

instantly, immediately, directly The boy burst out crying

immediately he saw his mother.

特别提示

表示“一---就---”的其他结构：

1.hardly/scarcely---when---和no sooner---than---结构

注意：这两个结构中when 和than 都是并列连词。When和than前的分句通常用过去完成时，when和than后的分句通常用一般过去时。当hardly/scarcely 和no sooner 放在句首时，它们所在的分句要部分倒装。

Eg. I had hardly /scarcely got home when it began to rain.

No sooner had we arrived at the station than the train left.

2.” On+doing”和”on+one's+n”结构

On arriving at the station, the thief was arrested. =On his arrival at the station,------

3.till, until和not--until 引导的时间状语从句

①延续性动词（肯定式）+until/till”表示动作延续到--为止”

Eg. We walked along the river until /till it was dark.

②瞬间动词（否定式）+until/till 表示“直到---才发生”

Eg. I won't go until/till he comes.

③not until的强调句型

It is /was not until--- that---

Eg. It was not until the professor came that we began the experiment.

注意：not until 放在句首，主句用部分倒装。

Eg. Not until the film began did she arrive.

典例The problem won't be settled the manager comes back from Shang hai.

(4)before 和since 引导时间状语从句

①before引导时间状语从句时词义非常灵活。

Eg. (1)Please make sure you return the book before it's due. ( ) (2)Some time passed before my stepfather and I got used to each other. ( )

(3) Someone called me up in the midnight, but he hung up before

I could answer the telephone. ( )

②since 引导时间状语从句，表示“自从---以来”。从句用一般过去时，主句用现在完成时。

Eg. Since she graduated from university, she has worked in the city.

③“It +be+时间段+since/before--”句型

（1）It will be +时间段+before---要过多长时间才---

（2）It will not be +时间段+before---过不了多长时间就--- （3）It was +时间段+before---过了多长时间才---

（4）It wasn't +时间段+before--没过多长时间就---

（5）It is /has been +时间段+since----自从---以来有多长时间

Eg. 翻译句子

（1）It will be two years before he leaves the country.

（2）It wasn't long before he told us about himself.

（3）It is five days since he came here.

（4）It is five years since he lived here.

典例It is a long time they separated, but it won't be long( ) they meet again. (用since 和before 填空)

（5）by the time, each /every time, next time, the last time, any time,all the time等短语引导时间状语从句

典例I saw Bob, he was surfing the Internet at home.

A.The first time

B. First time

C.For the first time

D.By the first time

Practice:

1.(2014江西，改编) It was the middle of the night my father woke me up and told me to watch watch the football match.

2.(2014陕西改编) The young couple, who returned my lost wallet, left

I could ask for their names.