1、must表示必须,否定回答时用needn‘t. mustn’t表示不许可。
「例如」You must get to the station before 3, otherwise you will miss the train.Must I hand in my homework tomorrow?
No, you needn‘t. You can turn it in the day after tomorrow.
You mustn‘t smoke in the hospital.转自环 球 网 校edu24ol.com
2、must用于肯定句,可以表示推测,翻译为:一定或想必。后面接动词的一般时,表示对现在的推测,接动词的完成式,表示对过去的推测。对过去的推测是考试的重点。「例如」:
She must live ne

She was absent from class. There must have been something wrong with her.
The light was out. They must have gone to bed.转自环 球 网 校edu24ol.com
真题:Mary‘s score on the test is the highest in her class. She ____ have studied very hard.(CET-4 1998.1)
A) may
B) should
C) must
D) ought to
“must 不定式完成式”表示对过去发生事情的推测。题意为:玛丽的考试成绩全班第一,她学习一定很刻苦。答案为C.
?2010年成人高考网上辅导方案
?2010年成人英语三级辅导方案
更多信息请访问:成人高考频道 成考高起点辅导 成人高考论坛
以上就是小编为大家整理的关于成人英语三级辅导:情态动词must详解篇的全部内容,更多相关知识请持续关注学分高考!

微信扫码关注公众号
获取更多考试热门资料