see hear watch notice find make被动语态后是不是一定要加to?

问题描述:

see hear watch notice find make被动语态后是不是一定要加to?

be seenbe heardbe watchedbe noticedbe foundbe made使用时要注意: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:We ...