ModalVerbs
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20XX
must, can, could, will, would, may, might, should, ought to
01
must>may>might(could) can, could 一般用于否定句和疑问句中can’t一定不,是must的否定句
01
He must be a worker, isn`t he? (现在)他准时个工人,是吗?
02
can / could的用法
can表示推测“可能性”时,往往用于否定句或疑问句。Can`t“一定不”,can在疑问句中意思是“会、可能”。
பைடு நூலகம்
He can`t be at home. = It is impossible that he is at home. 他一定不在家。
1
—————— he finish the task?
2
他可能把任务完成吗?
3
———— he be at home now?
4
他现在能在家吗?
5
Choose the best answers : I thought you______ like something to read. So I have brought you some books. A. ought B. might C. would D. must
02
情态动词 can, could, may,might,must表推测的用法: 情态动词中的can, could, may, might, must都表推测。其中must的可能性最大,can / could次之,may / might最小。具体用法如下: must的用法 表示推测“可能性”时,意思是“一定、准是”,语气较肯定,较有把握。 He must be American. = It is certain that he is American. 他准是个美国人。