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。注意: 1. 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 ?1.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 wet this morning . A . must have rained B . may have rained C . must rain D . might rain 2 . may 和 might 都不用于疑问句中。 BBBDAshould 也可以用来表示“推测”,意为“可能;该” ,相当于 be expected to 。往往指具有一定的客观根据或根据推理对现在某事发生的“可能性”进行描述,语气上不如 must 强。1. —Will Mr Wang offer us a hand ? —He__________ be glad to . He never refused our request .A . can B . must C . may D . should 2. —When can I come for the photos ? I need them tomorrow afternoon. —They __________ be ready by 12 : 00 .A . can B . should C . might D . need3 . It‘s nearly seven o’clock . Jack __________ be here at any moment .A . must B . need C . should D . canDBC 解答情态动词表示猜测的...