英语状语从句
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英语状语从句
状语从句
状语从句主要用来修饰主句或主句的谓语。一般可分为九大类，分别表示时间、
地点、原因、目的、结果、条件、让步、比较和方式。尽管种类较多，但由于
状语从句与汉语结构和用法相似，所以理解和掌握它并不难。状语从句的关键
是要掌握引导不同状语从句的常用连接词和特殊的连接词即考点。现分别列举
如下:
1．时间状语从句
引导词：when, as, while, as soon as, while, before, after, since,
till, until, the minute, the moment, the second, every time, the day，
the instant, immediately , directly, no sooner … than, hardly …when,
scarcely … when
I didn't realize how special my father was until I was 18.
While Tom was watching TV, his wife was reading.
No sooner had I arrived home than it began to rain.
Every time I take your advice, I get into trouble.
2．地点状语从句
引导词：where, wherever, anywhere, everywhere
Generally, air will be heavily polluted where there are factories.
Wherever you go, you should bring the mp3 player with you.
3．原因状语从句
引导词：because, since, as, since, seeing that, now that, in that,
considering that, given that, considering that, inasmuch as,
insomuch as
Now that everybody has come, let's begin our clas.
Considering that he is no more than 10 years old, his height of
1.60 m is not normal.
4．目的状语从句
引导词：so that, in order that, lest, in case, for fear that，
in the hope that, for the purpose that, to the end that
The boss asked his secretary to give him the letter so that he could
send it out himself.
The instructor raised his voice that the students at the back could
hear more clearly.
5．结果状语从句
引导词：so … that, so… that, such … that, such that, to the
degree that, to the extent that, to such a degree that,
He got up so early that he caught the first train.
It's such a good chance that we must not miss it.
6．条件状语从句
引导词：if, unless, as/so long as, only if, providing/provided that,
suppose that, in case that, on condition that
We'll start our project if the manager agrees.
You will certainly succeed so long as you keep on trying.
Provided that there is no opposition, we shall call off the meeting.
7．让步状语从句
引导词：though, although, even if, even though, as(用在让步状语从句中
必须要倒装)，while ( 一般用在句首 )，no matter …， in spite of the
fact that, while, whatever, whoever, wherever, whenever, however,
whichever
Much as I respect him, I can't agree to his proposal.
he old man always enjoys swimming even though it is cold.
No matter how hard he tried, she could not change her mind.
8．比较状语从句
引导词：as(同级比较), than(不同程度的比较), 特殊引导词：the more …
the more … ; just as …， so…; A is to B what /as X is to Y;
no … more than; not A so much as B
She is as bad-tempered as her mother.
The house is three times as big as ours.
The more you exercise, the healthier you will be.
Food is to men what oil is to machine. 食物之于人，犹如油之于机器。
9． 方式状语从句
引导词：as, as if, how, the way
When in Rome, do as the Roman do.
She behaved as if she were the boss.
Sometimes we teach our children the way our parents have taught us.
状语从句是考查的重点内容之一。主要考点简述如下:
1.引导时间状语从句的连词
主要有when, while, as, by the time, before, after, since, till/until,
as soon as等。其中when?while和as都可表示"当……时候",但用法有区别:
1) when意为"在……时;当……时",可表示"点时间"或"段时间",从句谓语可以
是终止性动词,也可以是延续性动词。例如:
When I got home, he was having supper.
2) as意为"边……边……"或"与……同时",重在表示两个动作同时发生。伴随
进行。as从句是终止性动词时,主句通常也必须是终止性动词。例如:
They sang as they danced.
3) while只可表示"段时间",从句谓语只限于延续性动词。例如:
While I was sleeping, my father came in.
2. 引导原因状语从句的连词
原因状语从句一般由because, since, as, for引导. 注意as, because, since
和for的区别:
1) 如果原因是构成句子的最主要部分, 一般用because。because引导的从句一
般不放在句子的开头。例如:<
I missed the train because I got up late.
注:对于以why开头的问句, 一般只能用because引导的从句来回答。
2) 如果原因已为人们所知, 或不如句子的其余部分重要, 就用as或since、since
比as稍微正式一些。as和since引导的从句一般放在句子的开头。例如:
As he was not well,I decided to go there without him.
Since this method doesn't work, let's try another.
3) for表示所说的理由是一种补充说明,因此,for引导的从句可以放在括号里,而
且for引导的从句一般不放在句子的开头。例如:
I decided to stop and have lunch, for I was feeling quite hungry.
3. 引导结果状语从句的连词
主要有so/such…that…,so that等。
1) so...that结构在某种情况下可以与enough to和too...to结构相互转换。例如:
She is so short that she can't reach the buttons of the lift.
=She is too short to reach the buttons of the lift.
2)so that也可以引导结果状语从句,意为"结果是;以致于"。例如:
They missed the bus so that they were late for class.
注:
so that也可引导目的状语从句, 此时可用to或in order to替换, 将其改为简单句。
例如:
He got up early so that he could get to school on time.
=He got up early to get to school on time.
=In order to get to school on time,he got up early
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