情态动词Modal verbs情态动词表示推测的用法情态动词 must , can , could , may , might 都可用来表示推测 1. must 所表示的可能性最大,最有把握,意为“一定”
2. can 和 could 主要用于否定句和疑问句中 , can’t 或 couldn’t 表示“不可能”3. may 和 might 表示现在或将来可能发生的动作或情况,主要用于肯定句中, might 相对于 may 来说,表示的可能性更小一些
表示猜测, can/could 一般不用于肯定句中,除非是“经验之谈”
如: Anybody can make mistakes . 如:(正) Can / Could it be cloudy tomorrow
(误) May / Might it be cloudy tomorrow
Mary __be in Paris , for I saw her in the town only a few minutes ago .A . mustn't B . can't C . shouldn't D . may notHave a try2
Peter ____ come with us tonight , but he isn’t very sure yet .A . must B . may C . can D . will 3
Are you coming to Jeff’s party﹖-I’m not sure . I ____ go to the concert instead .A . must B . would C . should D . might 4
It __________ last night , for the ground was we