求英语各种时态的句式!就是一般过去时一般现在时过去完成时什么什么的

问题描述:

求英语各种时态的句式!
就是一般过去时
一般现在时
过去完成时
什么什么的

一般过去时:She bought a book yesterday.
一般现在时:I am reading a book.
一般将来时:He will sweep the floor tomorrow.
只想起那么多了

I do my homework everyday.一般现在时
I am doing my homework now.现在进行时
I have done my homework.现在完成时
I did my homework yesterday.一般过去时
I was doing my homework (that time).过去进行时
I had done my homework(before I went to school).过去完成时