make let 等词变被动语态时怎么还原to能具体将一下吗
问题描述：
make let 等词变被动语态时怎么还原to能具体将一下吗
答
(1)在主动语态中,make ,let ,hear ,see ,watch ,notice 等词,其后跟省略to的动词不定式(动词原形),在变为被动语态时,必须还原动词不定式符号to.如:\x0dWe heard him sing this song in the room.\x0dHe was heard to...