四川省宜宾市南溪二中高二英语必修四《Module 5 Section Ⅱ Grammar & Writing》导学案must 的用法【例 1】(2010 北京)-Good morning
I've got an appointment with Miss Smith in the Personnel Department
-Ah, good morning
You__________ be Mrs
Peters
mightB
wouldD
can解析:本题目考查情态动词表示“推测”的用法
句意:早上好,我和人事部的史密斯小姐有约
那您一定是彼得斯女士吧
依据题干与语境判断,选项 A 符合题意
答案:Amust 的用法⑴ 禁止做某事,用“mustn’t”;⑵ 表示推测:①对现在事实推测“must +动词原形”;②对过去事实的推测“must have +过去分词”;③对正在进行的事实推测“must be +现在分词”;(表示推测时,肯定句常用must;否定句或疑问句常用 can/could;)⑶①must 必须(主观情况);② have to 必须,不得不(客观情况)⑷ 对 must 一般疑问句的回答:①肯定句:must / have to;②否定句:needn’t / don’t have to;You must stop at the red light
遇到红灯必须停下
We must all obey the law
我们都必须遵守法律
You mustn't speak to him like that again
你一定不要再那样和他说话了
You must be thirsty after doing exercises
运动后你一定渴了
You must be tired after