精选优质文档-倾情为你奉上九上Unit9被动语态专项练习被动语态基本形式： be动词的适当形式+Vp.p.(动词的过去分词) 1.一般现在时被动语态:am/is/are+Vp.p. e.g. I do my homework every day =My homework is done by me every day. 2.一般过去时被动语态:was/were+Vp.p. e.g.I did my homework last night. =My homework was done by me last night. 3.含有情态动词的被动语态: can/could/may/might/must/will/would/shall/should +be+Vp.p. e.g.I can do my homework all by myself. =My homework can be done all by myself. 1.Thomas Edison invented the light bulb. _
