时间状语从句构成复合句（聚焦复合句状语从句）

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时间状语从句构成复合句

聚焦复合句：〖状语从句〗

在复合句中由从句表示的状语称作状语从句(副词性从句)。

主要考点:

▼1.准确掌握每一个连词的含义是掌握状语从句的关键。

▼2.注意主从句的时态呼应

▼3.状语从句的省略

知识点分解：

状语从句类别: (9种)

时间状语从句; 地点状语从句; 原因状语从句; 目的状语从句; 结果状语从句; 条件状语从句; 方式状语从句; 比较状语从句; 让步状语从句

考点分解:

1.时间状语从句(重点考查内容)

when, while, as; the moment/the instant/the minute…, immediately/directly/instantly; before, after; till, until;since; as soon as; every time, each time, (the) last time, (the) next time, by the time; whenever; no sooner…than/ hardly(scarcely)…when…等。

请注意 when, while, as 的区别

▼while, when, as 引导时间状语从句时的区别

	when	as	while
主从句动作发生的时间关系	同时或先后	同时	同时
从句中谓语动词的类型	短暂或延续	短暂或延续	延续

When I opened the window, I saw him come up

When she reached home, her mother had prepared the dinner.

While we were talking, he came in.

She was doing her homework as she was listening to the music

其它用法:

When

▼当when解释为“就在那时，恰恰就在那时”多用在下列句型中：

1). be 表示状态的介词短语 when…

One day Chuck is on a flight across the Pacific Ocean when suddenly his plane crashes.

We were at table when an unexpected visitor came.

▼2).be doing sth when…

We were heading for that small village when it began to rain.

▼3).be about to do sth when…

She was about to leave the room when the telephone rang.

4).be on the point of doing sth when…

The housewife was on the point of going shopping when she realized that she forgot the shopping list

▼5) …had done…when…

I had covered half the way when it began to rain.

▼表示“惊讶，不理解”的语气，意为“既然”。

Why do you want a new job when you have already had such a good one?

Why did you take a taxi here when it was so near ?

比如:since, now that（既然）表示已知的原因

Since everybody has come, we can set off.

Now that all airlines offer discount prices, we should do the same.

▼while “即使，尽管”，引导让步状语从句。

While I have sympathy for you, I can’t help you.

While it’s none of my business, I will watch you.

while 趁着

Strike the iron while it is hot.

Pay a visit to the park while all the flowers are in full blossom

▼while 而… （表示转折和对比）

28. In a horse-racing sport, it is common that the only active participants are the horses and the riders, ______ everyone else watches.

A. when B. while C. which D. where

▼as“随着”

As she grew older, she became wiser.

With her growing older, she became wiser.

As time goes by, =with time going by ……

▼the moment/the instant/the minute…, immediately/directly/instantly 一…就…

Did you remember to give Mary the money you owed her?

Yes, I gave her the moment I saw her.

比较：on n. /v.ing（前后主语一致时）

On reaching the school, she began to read English.

On arrival/arriving at the school, she began to read English.

▼not… until(till) … “直到……才”

He didn’t leave the office until he finished the work.

注意：

▼It was not until… that…. (强调句)

It was not until he finished the work that he left the office.

▼Not until…. 倒装形式

Not until he finished the work did he leave the office.

▼before : 还没来得及…就…

He ran off before I could stop him.

▼It will be/take some time before… (一般现在时) 还要一段时间才… （用于将来动作）

It will be two weeks before we finish all the task.

It will be long before we finish all the task.

29. It ___long before we _____ the result of the experiment.

A. will not be; will know B. is; will know C. will not be; know D. is; know

▼It was/took some time before…（一般过去时）过了一段时间才…（用于过去动作）

It was ten years before I forgot it all.

since “自从……”, 通常主句用现在完成时

I have never been there again since I graduated from the university.

▼It is /has been some time since…（一般过去时）

It is just a week since we arrived here.

It is five years since he lived here.

▼…no sooner… than… 一……就…… （该句型注意时态和倒装）

He had no sooner arrived than he went away again.

No sooner had he arrived than he went away again.

▼…hardly …when…

▼…scarcely …when…

once 一旦……就……

Once you see him, you will never forget him.

______he has made up his mind to do something, nothing will stop him.

A. Once B. Before C. Although D. As soon as

every time, each time, (the) last time, (the) next time, the first/second…time,any time…

Each time he came to town, he would visit our school.

I found her nice and honest ____ I saw her.

A. for the first time B. the first time C. on the first time D. at first

whenever （每当）

Whenever we met with difficulties, they came to help us.

▼by the time当…时候（注意时态）

By the time the new year comes, we will have finished all the courses.

By the time he woke up, all the guests had left.

This January will be very precious for us by which time we______ reviewing Senior Book I.

A. will finish B. will have finished C. have finished D. will be finished

2.条件状语从句(重点考查内容)

引导状语从句的连接词有:

If, unless, as(so) long as, in case, provided( that), on condition that等。

▼unless 如果不, 除非= if not

We can’t get there on time unless we book the earliest flight

He will not join us unless he changes his mind.

注意：unless引导的条件状语从句必须为肯定形式。

▼as(so) long as 只要

We will succeed as long as we keep on trying.

▼in case 假使, 万一

The plane cannot take off in case it rains.

provided that 如果, 倘若,有时省略 that

You can become a stewardess provided (that) you are in good shape and you have got the proper education.

Suppose/supposing( that) 如果,倘若,有时省略 that

Supposing (that) it rains, can we play the match indoors?

on condition that 条件是…

He said that he would come to the meeting on condition that no one asked him to speak.

3.地点状语从句

地点状语从句只有两个连词:

▼where, wherever

Put the medicine where you can easily get it.

Where there is a will, there is a way.

4.原因状语从句(重点考查内容)

because, as, since, now that, 和considering that, seeing that

这六个连词都用于表示表示原因, 但在语气上一个比一个弱.

回答why引导的问句只能用because。

强调句型中强调原因状语从句只能用because。

It was because he got lost in deep thought that he almost ran into a car.

▼since 既然。 因语气较弱, 常译为“既然”

Since everybody has come, we can set off.

▼now that 既然

Now that all airlines offer discount prices, we should do the same.

considering that 顾及到，考虑到

Considering that they are just beginners, they are doing quite a good job.

seeing that 由于

Seeing (that) quite a few people were absent, we decided to put the meeting off.

in that 之所以… 是因为…；因为

He didn’t come to school yesterday in that he was ill.

for 因为(并列连词)

He must have been having dinner outside last night, ___ there was no light in his house.

5.结果状语从句

引导结果状语从句的连词有：

so that（以至于）, so…that…（如此…以至于…） such…that（如此…以至于…）

such a(an) adj. 单数名词 that-clause

such adj. 复数名词 that-clause

such adj. 不可数名词 that-clause

so adj./adv. that-clause

so adj. a(an) 单数名词 that-clause

so many(few) 可数名词复数形式 that-clause

so much(little) 不可数名词 that-clause 这里的little “少”(表示数量) 例如：such little children

so… that “如此……以至于”, so 后面应用形容词或副词, 有时省略so只用that

The flight scheduled so early that nobody wanted to took it

such …that…“如此……以至于”， 用法与so…that相同，但such 后面应用名词。

The foreign visitor was such a fast speaker that nobody could understand him.

比较：such/ so……as与such /so……that的区别

The teacher gave us such a difficult problem that no one could work it out.

The teacher gave us such a difficult problem as no one could work out.

6.目的状语从句

引导目的状语从句的主要连词有:

so that, in order that, in case（以防），for fear that, lest

▼so that/in order that 以便, 从句中常常使用一些情态动词，如：can, could, may, might, should等

Let’s take the front seats so that /in order that we may see more clearly.

for fear that 生怕; 唯恐；为了防止(某事发生)常用虚拟语气

He took the name down for fear that he should forget it.

for fear of…

lest 以防；万一

The man decided to tell his boss the fact lest he would be angry with him.

The manager of the workshop asked his staff to work overtime lest they wouldn’t finish the task on time.

7.比较状语从句

引导比较状语从句的连词有

as…as…, not so (as)…as…, .…than…, the more… the more...

A=B

as…as…像……一样

My grandma told me that her eyesight was as good as 10 years before.

A是B 的…倍

▼A be /v. 倍数 as 原级 as B

This car runs twice as fast as that one.

His school is three times as large as hers.

It is said that people are _____ likely to tell lies over the phone as they are in emails.

A. as twice B. twice as C. twice more D. twice than

A不如B

not so (as)… as… 不像……/……less 原级 than…

The job is not so difficult as I thought it would be.

A超出B

…than… 比……怎么样，用于事物间的比较

I personally think that the American movies are more interesting than Chinese ones

A 超出B…倍

▼A be /v. 倍数 比较级 than B

This car runs once faster than that one.

His school is twice larger than hers.

▼the more…, the more 越…… 越

The more he listened to that song, the less he enjoyed it.

8.让步状语从句 (重点考查内容)

引导让步状语从句的连词有：

although, though, as, even if, even though, no matter wh-, wh-ever, while, whether

▼as 尽管 as 引导让步状语从句时，句子通常倒装。

Busy as/though he is, he never misses a football match.

Child as/though he was, he knew much about computer science.

Try as/though he might, he will fail again.

Hard as/though she thought, she still had no idea.

▼no matter (what, when, where, how…) 无论（什么，何时，何地，怎样）特别注意no matter how引导的让步状语从句，no matter how后面需接形容词或副词

He wouldn’t forgive me no matter how hard I begged him

No matter how late he came, Mother always waited for him.

I will find you no matter where you hide.

The old man wouldn’t believe anything no matter what you said.

▼wh- / how ever无论（什么，何时，何地，怎样）特别注意however引导的让步状语从句， however后面需接形容词或副词

Whatever other people may say, she won’t change her mind.

He couldn’t get there on time however fast he drove.

While尽管

While I have sympathy for you, I can’t help you.

▼Whether 不管，常与or not 连用

Whether he is good or not, the company decided to send him abroad.

Whether his proposal is practical or not, the department plans to adopt.

9. 方式状语从句

方式状语从句常由:

▼as, as if(though)

When in Rome as the Romans do.

She stood at the door as if (=as though) she were waiting for someone.（虚拟语气）

,