情态动词(一)
modal verb
Grammar ( 32ms )
情态动词有一定意义,但没有些人称和数改变,不能独立使用,它和后面动词组成谓语.只作情态动词 can/could, may/might, ought to, must可情态可实义 need, dare/dared可情态可助动词 shall/should, will/would相当于情态动词 have to, used to
Must , can/could, may/might 使用方法
must
1.Must 表示推测时, 只能用于必定句。
这个电脑必定出了问题。
There must be something wrong with the computer.
你努力学了一整天, 一定累了吧
You have worked hard all day. You must be tired.
注意:Must用于必定句中可表示“偏偏”。Naturally, after I told her what to do, my daughter must go and do the opposite. ...


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