help的被动语态
问题描述：
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to吗
答
是的.因为主动态里只是省略了TO的动词不定时.被动态要还原.my mother is helped by me to do the housework.类似的还有see sb .do sth.
sb.is seen to do sth.