被动语态的疑问句1.Must we hand in examination papers now?2.How did you make the model plane?3.You can keep the book for two weeks.你们说我该选谁

英语.主动语态变被动语态的题.We must plant more trees next year. 被动语态的疑问句1.Must we hand in examination papers now?2.How did you make the model plane?3.You can keep the book for two weeks.你们说我该选谁 这个句子的被动语态：we must keep the classroom clean 谢 改被动语态.1.we must take Peter to hospotal at once. 1.We must water these young trees ofen,(改为被动语态). We must finish our work on time 被动语态 We must finish the work on time 变被动语态 We must finish our work on time 被动语态 We must water the flowers every day.被动语态填空 we must keep our classroom clean改被动语态 初中英语变为被动语态we must keep our classroom clean We must water these young trees ofen.(改为被动语态) we must make some rules.变被动语态 We must do something to help her被动语态 We must do homework every day被动语态 改为被动语态：We must do the work right now 一般疑问句的被动语态怎样改变 反意疑问句,关于must的(3句)情态动词must在句子里出现的时候,反意疑问句应该怎么写(横线处填)1.must+be+被动语态,例如The door must be opened,_________?2.must+be+名词,例如He must be a teacher,_________?3.must+动