感官动词和使役动词的被动语态

最好有语法也有例句
谢谢

感官动词和使役动词在主动句中直接加动词原形,被动句中要加to
如 I see him enter the room.
He is seen to enter the room.
温馨提示:答案为网友推荐,仅供参考
第1个回答  2010-12-07
在动词make, see, hear, watch, notice等之后,不定式的to在主动语态里可要省略,而被动语态里不能省,如:Tom was seen to come out of the lab.
相似回答