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      2. be加動(dòng)詞ing是什么時(shí)態(tài)

        回答
        瑞文問(wèn)答

        2024-10-06

        be動(dòng)詞后不一定加動(dòng)詞ing,也可以加動(dòng)詞ed(過(guò)去分詞)。be+動(dòng)詞ing表示進(jìn)行時(shí)態(tài),be+動(dòng)詞ed表示被動(dòng)。例如:She was watching TV at this time last night.(was+watching體現(xiàn)過(guò)去進(jìn)行時(shí)結(jié)構(gòu))

        擴(kuò)展資料

          “Be+現(xiàn)在分詞”以組成進(jìn)行式時(shí)態(tài)(Continuous Tenses),如:

          Tony's maid is washing his new car.

          The children are playing in the field.

          Samuel was eating when I came in.

          We have been living here since 1959.

          形式:

          有不同的be動(dòng)詞,基本上為:

          am,is,are,was,were,been,being,be。

          被動(dòng)語(yǔ)態(tài):

          被動(dòng)語(yǔ)態(tài)的基本結(jié)構(gòu)為be+done(Be動(dòng)詞+動(dòng)詞過(guò)去分詞)

          一般現(xiàn)在時(shí):am/is/are+done

          一般過(guò)去時(shí):was/were+done

          一般將來(lái)時(shí):will+be+done

          現(xiàn)在進(jìn)行時(shí):am/is/are+being+done

          過(guò)去進(jìn)行時(shí):was/were+being+done

          現(xiàn)在完成時(shí):have/has+been+done

          過(guò)去完成時(shí):had+been+done

          一般構(gòu)句:

          代詞/專(zhuān)有名詞+be+普通名詞(如我們是親兄弟)

          代詞+be+專(zhuān)有名詞(如我是愛(ài)麗絲)

          代詞/專(zhuān)有名詞+be+物主代詞+普通名詞(如我是你的親姐妹)

          當(dāng)“be”要在祈使句中出現(xiàn)時(shí),陳述句可借助助動(dòng)詞“do”,否定句必須在前加上助動(dòng)詞“don't”,如:

          Don't be silly!

          Do be obedient!

          Be careful!

          Don'tbe a fool!

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