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高中语法专练:ix. 关于状语从句的其他问题

所属教程:全新高中英语语法专练

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2020年06月14日

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ix. 关于状语从句的其他问题

1. as/so far as意为“至于……,就……”, 可以引导状语从句,表示程度、范围等。

1)as/so far as sb. know据某人所知。

2)as/so far as sb. can see在某人看来。

3)as/so far as sb. judge据某人判断。

4)as/so far as sth./sb. be concerned就某人/某事而言,对某人/某事来说。

5)as/so far as sth. goes就某事而言。

2. 状语从句的省略条件:

1)主从句的主语一致,从句的谓语动词是be的某种形式

He fell off the tall tree while (he was) playing in it.

他在树上玩的时候从上面掉了下来。

Her mother works very hard although (she is) badly ill .

她妈妈工作很努力尽管病得很厉害。

2)从句的主语是it,从句的谓语动词是be的某种形式

If (it is) necessary I'll have the letter copied.

如果必要的话,我可以请人把这信复制一下。

If (it is) possible , I should like to have two copies of it.

可能的话我希望有两本。

As scheduled , they met on January 20 at the Chinese Embassy.

他们按原计划于1月20日在中国大使馆见了面。

3. 几种常见的可省略的状语从句:

1)if/unless +主语+ be的条件状语从句

Unless (it is) well managed, the work cannot be finished in time.

这项工作不可能如期完成,除非妥善管理。

2)although/though/even if/even though +主语+ be的让步状语从句

He knows a lot though (he is) a child .

尽管他是个孩子,却知道得很多。

3)when/while/as/before/after/until/till+主语+be的时间状语从句

Be careful when (you are) crossing the street .

过马路的时候要当心。

4)as/as if +主语+be的方式状语从句

He was in a hurry as if (he was) looking for something.

他如此匆忙好像在找什么东西。

5)as/than +主语+be的比较状语从句

They will try to put the plan into practice as quickly as (it is) possible.

他们将尽快把这个计划付诸实施。

4. 状语从句省略后的几种情况:

1)连词+形容词(if necessary/possible, when very young, wherever possible ...)

Fill in the blanks with articles where necessary .

在空格中必要的地方填入冠词。

2)连词+名词(as if a fool, although a child ...)

He always acts as if a fool .

他总是表现得像个傻瓜一样。

3)连词+分词(when arriving, until asked to, even if invited to, than expected ...)

Don't go to the party even if invited to .

即使受到邀请也不要去参加晚会。

4)连词+不定式(as if to speak ...)

He opened his mouth from time to time as if to speak .

他张了张嘴,好像要说什么话。

5)连词+介词短语(while at college, as if in search of something ...)

He looked here and there as if in search of something .

他瞧瞧这里看看那里好像找什么东西。

专项练习

1. _______ I know, the computer can never take the place of the human brain.

A. As for

B. As long as

C. So far for

D. So/As far as

2. If _______ , he will help you out of the difficulty.

A. he is possible

B. it was possible

C. possible

D. was possible

3. Although _______ his best in maths these days, he has still got no good marks.

A. he did

B. he doing

C. is doing

D. doing

4. It's a perfectly good law _______ , but it doesn't deal with the real problems.

A. as far as it goes

B. as long as it goes

C. so long as it goes

D. so far as I know

5. The boy will make a lot of trouble when _______ alone.

A. leaving

B. leave

C. left

D. being left

6. Try to explain this new theory and give actual examples _______.

A. if it needed

B. when necessary

C. where they are possible

D. when you are possible

7. If _______ , his experiment will be successful.

A. do carefully

B. did carefully

C. carefully done

D. doing carefully

8. _______ in the dark, his head hit against a tree.

A. When walking

B. When he was walking

C. Walked

D. He was walking

9. —Will you go and attend her party?

—No, _______ invited to.

A. if

B. when

C. for not

D. Even if

10. You mustn't touch it unless _______.

A. asking to do

B. asked to

C. asking to

D. to be asked

答案速查 1-5 DCDAC 6—10 BCBDB


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