They must tell him everything.变为被动语态

They must tell him everything.变为被动语态 初中英语变为被动语态we must keep our classroom clean His aunt bought him a bicycle（变为被动语态） I made him play the piano.(变为被动语态) I bought him a nice sweater.变为被动语态 变为被动语态：His aunt bought him a bicycle they should always do everything well 改成被动语态 They should study English hard.变为被动语态 They gave the children many good books.变为被动语态? They will see you tomorrow.变为被动语态 They must repair the computer now(改为被动语态) must they finish the work todsay?改为被动语态