2019年12月英语六级语法常考知识点：动词语态时间：2019-11-29 09:48:14 来源：文都网校 分享：
He was said to be jealous of her success.
It was said that he was jealous of her success.
It is supposed that the ship has been sunk.
The ship is supposed to have been sunk.
担当be supposed to 与不定式的一般形式搭配时往往表示不同的意义.例如:
Why are you driving so fast in this area? You are supposed to know the speed to know the speed limit. (你应该晓得速度限制)