it的句型汇总（四）

16. It looks (seems, appears) as if句式

该句式中it作为引导词无意义, as if 引导一个方式状语从句（一说表语从句，因为放在系动词之后）。常译为“看起来好像……”，如果与事实不相符合，则用虚拟语气。

It looks as if that old man is ill.

It seemed as if it were going to rain.　

It appears as if they have lost interest.

17. It is a waste of time (money) doing sth. 句式

It’s a waste of time your talking to him.

It is a waste of money buying such an old car.

18. (It is) no wonder (that) 句式

It’s no wonder that he is not hungry; he has been eating sweets all day.

No wonder he was so pleased.

19. It makes a (no, mush) difference whether句式

It’s doesn’t make much difference whether I am there or not.

It will make a difference whether you know first aid or not.

20. It takes sb. +time+ to do sth. 句式

It took thousands of people ten years to build the palace.

It takes years to master a new language.　

【说明】此句型可以有如下几种转换：

It took me an hour to write the letter.　

=The letter took me an hour to write.

=I took an hour to write the letter.　

21. It is up to sb to do sth. 句式

It’s up to you to make the choice.　

It is up to her to do the job.

22. I think it important to do sth. 句式

该句式中的it 作形式宾语。为了记忆方便，我们称该句型为“6123结构”。

6指主句中6个常用动词：think, believe, make, find, consider, feel；1指形式宾语it ；2指宾补的两种形式：形容词或名词；3指真正宾语的三种形式：不定式短语，动名词短语或that引导的宾语从句。

This special strain of rice makes it possible to produce one-third more of the crop in the same fields.

She made it a rule to get up at six and take a walk in the morning.

Do you find it funny to see someone sliding on a banana skin?

The teacher feels it his duty to help the student with his English.

We thought it necessary that the two sides should stop arguing.

I consider it rude to stare at other people.

We believe it useless reading without standing.

点击可查看更多关于高考英语的资讯：上海高考英语培训

• 下一篇：it的句型汇总（三）