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.
一般过吵袜禅去时: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好扰么一般完成)升尘