不带to的不定式的被动语态形势?

来源:百度知道 编辑:UC知道 时间:2024/03/29 15:43:39
请解释并举例

let/hear/see/make/watch这些词是不带to的动词不定式.let/hear/see/make/watch+sb+do/dong他们的不定式应该为:be+不带to的动词的过去分词+to+do或者是be+不带to的动词的过去分词+doing.例如:Ilet him write. He is let to write.

1.let sb do
被动:Sb be let do
The teacher let Tom open the door.
Tom was let open the door.

2。 see/hear/ watch/ listen to / notice sb doing
sb be seen/heard/ watched/ listened to/ noticed doing

I heard her singing.
she was heard singing.

be +v的过去分词+to do