动词不定式的时态和语态不定式主动被动一般to writeto be written 进行to be writing/完成t_英语解答

动词不定式的时态和语态
不定式主动被动
一般to writeto be written
进行to be writing/
完成to have written to have been written
完成进行to have been writing/

凡有进行的没有被动是吗?
我看到书上和网上的进行时这一块都没写被动？

人气：421 ℃　时间：2020-01-29 14:20:32

解答

不定式的主动语态分4种：to do（一般现在）；to have done（现在完成）；to be doing（现在进行）；to have been doing（完成进行时）不定式的被动语态有2种：to be done（一般现在）；to have been done完成进行时...