9大状语从句

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状语从句(句子成分完整)1原因状语从句because, since, as, for 区别:because语气最强回答why because不与so连用since =now that 表示显而易见的原因为…” as “因为…既然…语气最弱

for 是并列连词,表示推断的原因,for

既然…因前常要加逗号

注:seeing that / now that/ considering

that in that/given that 这几个词汇与

since 引导的原因状语从句意思相近,都表示既然…考虑

到”

2 地点状语从句

Where wherever

Where there is a will ,there is a

way. We must camp where we can find

water.

3时间状语从句

when (v 延或v 短)

while (v 延)

as表示动作同时发生一边---- 边…随着..

since (自从)

before ;until ;the first time ;every/each time ;the last time by the time (到..时为止)

时间状语从句考点:

★ It is / has been + 一段时间+sinee (—般过去时)

自从…已经多长时间了

sth when正在■.突然…

★be doing

★be about to do sth when 即将做某事突然

★while 除了“当. .时”之外,还有两种用法:1)表示对比“然而”

2)表示让步“虽然尽管”

★before 除了“在..之前“之外,还可表:还没来得及..就…

He hung up before I could say a word

★ it +时间+before句型:

(肯)要过多就才…(否)没过多久就….

★一…就…:

as soon as immediately Hardly …when the moment / minute /

instant instantly directly

本文档如对你有帮助,请帮忙下载支持!No sooner + had +主语+过分+than (一般过去时)

Hardly + had + 主语+过分+ when (一般过去时)★By the time + 句子(一般过去),主句(过完)

By the time + 句子(一般现在),主句(将来完成时will have done )

4条件状语从句

if 如果;supposing ;provided 假如

本文档如对你有帮助,请帮忙下载支持!as long as ;so long as;on condition

that ;only if 只要in case 以防以免假使;unless 除非,

once 曰…

在时间和条件状语从句中,要用一般现在时表将来时,现在完成时表将来完成时

You should not play outside unless you have

本文档如对你有帮助,请帮忙下载支持!finished your homework

If weather permits, I will go swimming tomorrow

5目的状语从句

目的状语从句的谓语常含有may, might, can,

could, should, would 等情

动词

引导词有:so that (以便),in order that (为

了;以便),

Lest (免得;唯恐),for fear that (生

怕;

以免)

注:凡是由lest (以免;免得),in case (以防)和for fear that (生怕,唯恐)引导的目的状语从句用“should动词原形其谓语部分should 可以省略。例如:

1.Keep quiet in case you( should) interrupt him

2.She is now studying,

for fear that she( should) fail in English .

3.You must wake him early,

lest he(should)be late forschool.

6结果状语从句

So/such・・・that..句型如此. .以至于句型so +adj /adv+that

①当出现不可数名词或名词复数时,与such….that

连用

It is such bad weather that I am in a bad mood

②当出现可数名词单数时,so 与形容词不分,such 与a/an 不分

such a clever boy so clever a boy

③ 当名词前有many much few little 修饰时,用so ….that

感叹句的用法与此句型类似,what 相当于such how 相当于so 即若感叹句中出现不可数名词或名词复数时,感叹句要用what 来引导若感叹句中出现

可数名词单数时:what a clever boy he is!How clever a boy he is!

so that 可引导目的状语从句,也可以引导结果状语从句。

He worried so that he couldn ' aleep.他急得睡不着。

(so that 引导结果状语从句)

I came to the class early so that I could catch the bus

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