【高考英语】状语从句考点必背

【高考英语】状语从句考点必背
状语通常用副词、介词短语、非谓语动词或状语从句等充当的，用来修饰动词、形容词、其他副词、句子、名词短语或介词短语等，说明时间、地点、程度、方式等概念。

状语从句可分为时间，地点，原因，条件，方式，目的，结果，比较，让步状语从句。

一、时间状语从句
1.引导词： as soon as, when ( as ), since, while, not…until, after, before
2.时态特点：主将从现
(1) I’ll go on with the work when I come back tomorrow.
(2) As soon as he finishes the work, he will come to see me.
对比：When he saw nobody in, he returned.
I don’t know when he will arrive.
3.一…就：
as soon as; hardly/scarcely/rarely… when; no sooner…than; the minute, the moment,
the instant;
对比: the day/week/year; the first/last time; any/every/each/next time, all the time; from the time;
by the time（主句用完成时态）
(1) Immediately he arrived, he started telling us what to do.他一到达就开始告诉我们应做什么.
(2) Every time I come, he is reading. 我每次来, 他都在读书.
(3) He had hardly entered the hotel when it began to snow. (=Hardly had she entered the hotel...)
我们一到达山顶，就坐下来休息。

4.when: 突然
I was about to go out when the bell rang.
5.while: 而，可是（表对比）
You like sports while I like reading.
6.before: 1) 还没来得及： The day began to break before we got to the village.
2）常用句型：It will be (not) + 一段时间 + before
It was (not) +一段时间 + before
7.since: 1) 主语+ have done…since + 主语+ did
过去时间点
2）It is ( has been) + 一段时间 + since +主语+ did
二、地点状语从句
引导词：where 或wherever（= no matter where ）
You’d better make a mark where you don’t understand.
Don’t move her. Leave her where she is.
Where there is a will, there is a will.
对比：The detective searched the room carefully where was robbed yesterday. （定语从句）
三、原因状语从句
1.引导词：because, since, as（由于）；now (that) (既然)；in that（由于）
2.because和so 不可连用。

3.because of不可跟从句。

4.It is / was because +从句+ that…
5.for: 主句，for + 从句：for 不可位于句首，从句为补充性解释说明或推测。

The days are short, for it is now December.
It’s morning now, for the birds are singing.
四、目的和结果状语从句
1.引导词：in order that; so that; for fear that; in case; lest
2.so that不可位于句首，in order that可位于句首。

The box is so heavy that nobody can move it.
3.so many (much, few, little) + 名词
4.so + adj. + a (an) + 名词 + that
5. such a (an) + (adj.) + 名词 + that
6.for fear that; in case; lest引导得目的主语从句常用虚拟语气。

五、条件状语从句
1.引导词：if; suppose, supposing (that); provided; providing (that); on condition that; unless; so (或) long as; in case（万一）
2.时态特点：主将从现
You will miss the train if you don’t hurry.
对比：You would miss the train if you didn’t hurry.
I wonder if you will come tomorrow.
六、让步状语从句
1.引导词：though; although; as; even if; even though; no matter + wh-; wh- +ever;
2. although与though不能与but连用，但可以与yet连用。

Although they are poor,(yet)they are warm-hearted.
3. as引导让步状语从句,要用倒装。

(1) Child as (though) he is, he knows a lot. (2) Much as I like it, I won’t buy.
对比：though可以作副词，位于句中或句尾。

“可是，不过，然而”
(1) It’s hard work; I enjoy it though. 这是件苦活，不过我倒很乐意干。

(2) He’s a bad manager. There’s no reason,though, to dismiss him.
他是个差劲得经理，然而没有理由就此把他免职。

七、方式状语从句
引导词：as, as if (though)
（1）I’ll do as I am told to. （2.）It looks as if it is going to rain.
八、比较状语从句
1.引导词：as...as, than, not as/so...as
2.比较从句部分常是省略句
（1）I’m taller than he (is). （2）Science is not as popular as English.
九、省略现象（紧缩的状语从句）
引导词+（主语 / it + be）+ 表语
（1）连接词 + 过去分词
Don’t speak until spoken to. (=…until you are spoken to) Once seen, it can never be forgotten. (=Once it is seen…)
（2）连词 + 现在分词
Look out while crossing the street.
（3）连词 + 形容词/其他
常见的有it necessary、if possible、when necessary、if any 等。

I prefer my milk a little sweetened whenever possible. (=…whenever it is possible)
While in Beijing, I paid a visited to the Summer Palace. (=while I was in Beijing…)
今天的分享到此结束。

我们下周一再见！。