改被动语态

改被动语态
改为被动语态
①.We don't clean the classroom every day
②Do many people visit our school every day
③Is french taughe by them in this college (改为主动语态）
④Bicycles aren't produced by them in this factory.(改为主动语态)
⑤He usually sees his grandfather on sundays .
⑥Does Mary do a lot of reading every day
⑦Is the noise made by Jim
⑧He is given many presents by his uncle sometimes
⑨We may put the flowers in the classroom
⑩Four years ago that machine was used to make bikes for children(改为主动语态)
⑾Theymade this kind of wine from grapes