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        be原型的用法總結(jié)

        回答
        瑞文問(wèn)答

        2021-07-30

        be原型的用法總結(jié):be動(dòng)詞在以下情況用原形:將來(lái)時(shí)態(tài)will/would/shall/should+be;used to be;情態(tài)動(dòng)詞后,如:must/can/may/could/might等+be;虛擬語(yǔ)氣:should+動(dòng)詞原形。

        擴(kuò)展資料

          to be其實(shí)是不定式的一種形式,to+動(dòng)詞原型構(gòu)成動(dòng)詞不定式.這是非謂語(yǔ)動(dòng)詞用法的一種。在英語(yǔ)里,“be+todo”結(jié)構(gòu)可用來(lái)表示將來(lái)時(shí)間,它的具體用法如下:

          1、表示“按計(jì)劃、安排(要做某事)”

          We are to meet at the school gate.(我們將在校門口碰頭。)

          2、表示“命令”

          You are to be back before five o'clock.(你須在5點(diǎn)鐘以前回來(lái)。)

          3、表示“職責(zé)”

          I am to inform you that the meeting will be held in Wuhan.(我謹(jǐn)通知你會(huì)議將在武漢召開。)

          4、表示“目的”

          The prize was to honour him for his great discoveries.(這項(xiàng)獎(jiǎng)勵(lì)是為了對(duì)他的'重大發(fā)現(xiàn)而表示的敬意。)

          5、表示“用途”

          A pen is to write with.(鋼筆是用來(lái)寫字的。)

          6、表示“命中注定”

          They were never to meet again.(他們注定以后永遠(yuǎn)不會(huì)再見面了。)

          7、表示“應(yīng)該做(某事)”

          What are we to do next?(我們下一步應(yīng)該怎么辦?)

          8、表示“可能性”

          It's eleven o'clock now. He is to get to Mike's house.(現(xiàn)在11點(diǎn)了,可能他已經(jīng)到達(dá)邁克的家了。)

          9、表示“征求對(duì)方的意見”

          Am I to go on with the work? (這項(xiàng)工作我是不是接著干下去?)

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