they should clean their classrooms after school 该改成被动语态

they should clean their classrooms after school 该改成被动语态 They often clean their classroom after school变被动语态 用被动语态怎么转换过来写这句话：They ofen clean their classroom after school 英语改句式把下列句子改成被动语态： 1.They often clean their classroom after s 将下列主动句改为被动句 They clean their classroom after school.Li Lei g 改被动语态They clean their classroom every day. 1.They ofen clean their ciassroom after school Their classro They have finished their homewoke.改成被动语态 they should always do everything well 改成被动语态 They clean their classroom after school.改为现在进行时 一把将来时的被动语态.When will they finish their homework?怎样改成被动语态? 把主动语态改成被动态students must clean their classriom every day