求一篇英语小对话初中级别的就行.要用到一般过去时,一般现在时,现在进行时,现在完成时,一般完成时,不用太长.

现在进行时：A -what are you doing?
B -I'm watching a movie.
现在完成时：A -Have you finished your homework yet?
B -Not yet, but I will finish it.
一般过去时：A -When did you borrow the book from the library?
B -The day before yesterday.
一般现在时 A -You are a student,so you must focus on the study.
B -Mom,I konow what to do.
（完成时分为现在完成、将来完成、过去完成.就是不知道你说的什么一般完成）