变为被动语态

变为被动语态 祈使句如何变为被动语态 由主动语态变为被动语态 i dohomework every day变为被动语态 这些要怎么变为被动语态呀? 英语中怎样将主动语态变为被动语态 英语中,主动语态怎样变为被动语态 He didn't buy anything yesterday 变为被动语态 We clean our classroom every day(变为被动语态） 初中英语变为被动语态we must keep our classroom clean They use metal for making machines(变为被动语态） 求英语解答：把下列句子变为被动语态 The policemen are chasing the thief（变为被动语态） They should study English hard.变为被动语态 They will see you tomorrow.变为被动语态 John ate the apples yesterday变为被动语态 People will remember heroes forever(变为被动语态 I made him play the piano.(变为被动语态)