____to sunlight for too much time will do harm to one's skin.A.exposed B.having exposed C.being exposed D.after being exposed 我想问的是为什么不能选a.现在分词的被动形式与过去分词的被动形式到底有什么区别?

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/05 11:11:42
____to sunlight for too much time will do harm to one's skin.A.exposed B.having exposed C.being exposed D.after being exposed 我想问的是为什么不能选a.现在分词的被动形式与过去分词的被动形式到底有什么区别?

____to sunlight for too much time will do harm to one's skin.A.exposed B.having exposed C.being exposed D.after being exposed 我想问的是为什么不能选a.现在分词的被动形式与过去分词的被动形式到底有什么区别?
____to sunlight for too much time will do harm to one's skin.
A.exposed B.having exposed C.being exposed D.after being exposed
我想问的是为什么不能选a.现在分词的被动形式与过去分词的被动形式到底有什么区别?

____to sunlight for too much time will do harm to one's skin.A.exposed B.having exposed C.being exposed D.after being exposed 我想问的是为什么不能选a.现在分词的被动形式与过去分词的被动形式到底有什么区别?
因为being exposed to sunlight too much time主语,要用动名词形式,所以要这样选.

现在分词的被动同时表达了被动和进行两个概念。过去分词只表被动。
题目说的是“长时间在阳光下暴晒会对人的皮肤造成伤害。”人是被晒的没错,可是伤害却是一边晒一边造成的,是同时发生的情况,所以要用C。

动名词做主语,不能出现单独的完整句子,过去分词被动出现在状语从句中,此处为主语从句