I have had it.怎么变被动语态

被动语态 “who will do it ” 怎么变被动? have to 变被动语态 I have finished my homework.变被动语态 被动语态变主动语态怎么变 主动语态怎么变被动语态 主动语态变被动语态 I have told the children many times not to skate o 含有be动词的被动语态怎么变,have been done一定指被动吗 主动语态变被动语态怎么变啊? I water flowers everyday变被动语态 被动语态的构成讲一下,并举几个例子,像I have had luch.变为被动语态是Luch has been had I have left my dictionary in the classroom 主动变 被动语态 一般疑问句怎么变被动语态