高级句型结构

◆ It句型

① It will be + some time + before…

It won’t be long before humans visit the Mars.

② It is + adj./n.+ for sb to do sth.

It is very important for us to learn computer well, because it has changed our life so much.

He said since it was a new model in China, it was impossible to fix it without the right spare parts.(2008年湖北卷)

③ It is + 被强调部分 + that…

1) It is what Yang Liwei has done that encourages us a lot.

2) Those who like reading extensively say it is through reading that we get our knowledge.

◆ more …than any other 表示最高级

Among the optional courses, spoken English and computer study are more popular than any one else.

◆ 名词从句

① It would mean a great deal to me to listen to the tape and learn what is covered in the talk. ( 2004 全国卷 Ⅲ )

② My hometown is no longer what it used to be.

◆(非限制性)定语从句