高中英语条件状语从句的句型范文

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高中英语条件状语从句的句型介绍

1条件状语从句

句型1

When / So long as / As long as / Once +从句，+主句。(从句也可以放在主句之后。)如：

As long as you give me any money, I will let you go.只要你给我一些钱，我就让你走。

Once you have begun to learn English, you should learn it well. 一旦你开始学习英语，你应该把它学好。

句型2

主句+on condition that+从句.如：

I will go with you on condition that you give me a sum of money.我和你一起去的条件是你给我一些钱。

句型3

主句+unless+从句.(注意：由于unless本身是否定词，所引导的从句的谓语动词用肯定而不用否定。)如：

I will go there tomorrow unless it rains.我明天去那儿除非下雨。

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句型4

祈使句，+and/ and then+主句。(注意：祈使句也可用一个名词短语。)如：

Use your head, and you will find a good idea.动脑筋想一想，你就会想出一个好主意。

Another word, and I will beat you.你再说一句，我就揍你。

句型5

If +necessary / impossible/ important等，+主句.(注意：if与形容词之间的it is被省略。)如：

If necessary, I will do it. 如果有必要的话，我来做此事。

2原因状语从句

句型1

主句+in case+从句.(in case表示以免)如：

I will take my raincoat in case it rains.我要把雨衣带上以免下雨。

句型2

主句+due to / because of / owning to / + the fact that +从句。如：

He did not come to school because of the fact that he was ill.由于他有病了，所以没有来上学。

高中英语

以形式主语it引导的句型

句型1

It (so) happened(chanced) that +clause. = sb. happened /chanced to do sth. =sb.did sth. by chance. 如：

It happened that he was out when I got there. 当我到那儿时，碰巧他不在。=He happened to be out when I got there.= It chanced that he was out when I got there= He was out by chance when I got there.

句型2

It seems that sb. do/ be doing/ have done/ had done= Sb. seems to do/ be doing/ have done/to be done/to have been done(还有动词appear等可这样使用)如:

It seemed that he had been to Beijing before.他好象以前去过北京。=He seemed to have been to Beijing before.

句型3

It is / was+被强调的部分+that(who)+剩余的部分.如：

It wasn’t until he came back that I went to bed.直到他回来我才睡觉。(一定要注意被强调句型中的谓语动词否定的转移)。 It was because he was ill that he didn’t come to school today.只因为他有病了今天没有来上学。(只能用because而不能用for, as 或since)

It is I who am a student. 我确实是个学生。(句中am不能用are来代替。)

句型4

It is high time (time/ about time)+ (that) 主语+should do / did+其它。(从句中的谓语动词用的是虚拟语气。)如:

It is high time that we should go / went home.我们该回家了。

句型5

It is / was said ( reported…)+that+从句. 如：

It was said that he had read this novel.据说他读过这篇小说。=He was said to have read this novel.

句型6

It is impossible / necessary/ strange…that clause.(从句中的谓语用should+do / should have done，其形式是虚拟语气。)如：

It is strange that he should have failed in this exam.真奇怪，他这次考试没有及格。

句型7

It is + a pity/ a shame…that clause.(注意从句中的谓语动词用should do或should have done的形式，但should可以省略。)如：

He didn’t come back until the film ended. It was a pity that he should have missed this film. 他直到电影结束才回来。他没有看到这部电影真可惜。

句型8

It is suggested / ordered/ commanded /…that +clause.(从句的谓语动词用should do, 但should可以省略。)如：

It is suggested that the meeting should be put off.有人建议推迟会议。

句型9

It is/was+表示地点的名词+where+从句。(注意本句不是强调句型，而是以where引导的定语从句。)如：

It was this house where I was born.请比较：It was in this house that I was born.(后一句是强调句型。)

句型10

It is / was +表示时间的名词+when+从句。(注意本句型也不是强调句型，而是以when引导的定语从句。)如：

It was 1999 when he came back from the United States. 请比较：It was in 1999 that he came back from the United States.

句型11

It is well-known that+从句。如：

It is well-known that she is a learned woman.众所周知，她是个知识渊博的妇女。

句型12

It is +段时间+since+主语+did. 请比较：

It was +段时间+since+主语+had done. 如：

It is five years since he left here.他已经离开这儿五年了。

It was five years since he left here.(同上)

注意下列句型的翻译:It is five years since he lived here.他从这儿搬走已经有五年了。

句型13

It +谓语+段时间+before+主语+谓语.( before引导的是时间状语从句。) 如：

It wasn’t long before the people in that country rose up.没有多久那个国家的人民就起义了。

It will be three hours before he comes back.三个小时之后他才能回来。

句型14

It is +形容词(possible, impossible, necessary等) +for+ sb.+ to do. 如：

It is impossible for me to finish this work before tomorrow.我明天之前完成此工作是不可能的。

句型15

It is +(心理品质方面的)形容词+of + sb. +to do.= 主语+ be +形容词+to do.(常用的形容词有：kind, stupid; foolish, good, wise等。)如：

It is kind of you to help me.=You are kind to help me.你真好给我提供了帮助。

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