1、It作先行主语和先行宾语的一些句型

She had said what it was necessary to say.

2、强调句型

It is not who rules us that is important，but how he rules us.

3、All+抽象名词或抽象名词+itself

He was all gentleness to her.

4、借助词语重复表示强调

A crime is a crime a crime.

5、somethingof和nothingof something of等于to some extent，表示程度。 在疑问句或条件从句中，则为anything of ，可译为有点，略微等。译为毫无，全无。much of译为大有，not much of可译为算不上，称不上，little of可译为几乎无，something like译为有点像，略似。

They say that he had no university education，but he seems to be something of a scholar.

6、同格名词修饰 是指of前后的两个名词都指同一个人或物，of与它前面的名词构成一个形容词短语，以修饰of后面的那个名词。如her old sharper of a father，可译为：她那骗子般的爸爸。

Those pigs of girls eat so much.

7、asascanbe

It is as plain as plain can be.

8、It is inas in

It is in life as in a journey.

9、as good as相等于，就像，几乎如;事实上，其实，实在。

The merchant as good as promised the orphan boy，that he would adopt him.

10、many as wellas和might as well as many as wellas 可译为与其，不如，更好，以如此做为宜，好似，也可以等等。might as well as表示不可能的事，可译为犹如，可与一样荒唐，与其那样不如如此的好等等。

One may as well not know a thing at all as know it imperfectly.