作业帮英语：It is引导的句型知多少?
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英语：It is引导的句型知多少?
英语：It is引导的句型知多少?
英语：It is引导的句型知多少?
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谓语动词否
定的转移,及形式).
2.It is high time (time/ about time) (that) 主语＋should do / did+其它.（注意从句中的谓语动词用的是虚拟语气）It is high time that we should go / went home.我们该回家了.
3.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.
4.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.
5.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.
6.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.
7.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.)
8.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.
9.It is well-known that＋从句.如：
It is well-known that she is a learned woman.
10.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 had left here.他已经离开这儿五年了.
11.It is +形容词＋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.
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;