1) 它是和一般过去时对应存在的，没有一般过去时，就不存在过去完成时。

His family hadn't heard from him for six months until he came home.

2) 用在no sooner…than, scarcely…when, hardly…when,等句型中。

No sooner had I seen him than I told him.

8.下列 that从句用完成时：(注意：主句用is从句用have/has+过去分词 ;主句用was 从句用had+过去分词)

1.It/This/That is the first/second/last time that… 如：

This is the first time that I have been in Beijing.

2.It/This/That is the only…that… 如：

That is the only book that I have really enjoyed in my life.

3.It/This/That is the + 最高级…that…

It is one of the most interesting book that I have ever read.

4.It is/ has been……since

It is/ has been 10 years since I last saw him.(从我上次见到他以来已经10年了。)

相关推荐

2016年中考语文基础复习：文言文阅读 

2016中考语文考前冲刺辅导：说明文语言特色