英语翻译I am waiting the bus 改成被动语态怎么改?

英语翻译I am waiting the bus 改成被动语态怎么改? help的被动语态I help my mother do the housework 改成被动语态怎么改,help后要加 I saw my teacher go in to the classroom just now.改成被动语态怎么改? 特殊疑问句改成被动语态怎么改? i am waiting the bus at the bus stop 改错 英语翻译改成被动语态 I cleaned the floor改被动语态 I am watching the boys playing football now.改被动语态 求英语大神解答把句子改成被动语态10. I saw him getting on the bus. 11. I saw 过去完成时改被动语态We had cleaned our classroom by Tuesday .要怎么改成被动语态 I am waiting the bus now这句错在哪 The flowers bloom every year.改被动语态怎么改