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      2. had doing是什么時(shí)態(tài)

        回答
        瑞文問答

        2024-06-05

        過去進(jìn)行時(shí)。表示過去某時(shí)正在進(jìn)行的狀態(tài)或動(dòng)作。句式:主語+was/were+動(dòng)詞ing+其他。種類:1.表示過去某一時(shí)間內(nèi)(正在)進(jìn)行的動(dòng)作。如:I was doing my homework at 9 oclock p.m. last Sunday.2.表示一動(dòng)作正在進(jìn)行時(shí),另一動(dòng)作同時(shí)正在進(jìn)行。

        擴(kuò)展資料

          have的用法

          一、have作助動(dòng)詞

          主要變化形式:have,has,had

          動(dòng)名詞/現(xiàn)在分詞:having

          1)have +過去分詞,構(gòu)成完成時(shí)態(tài),例:

          He has left for London.他已去了倫敦。

          By the end of last month, they had finished half of their work.

          上月末為止,他們已經(jīng)完成工作的一半。

          2)have + been +現(xiàn)在分詞,構(gòu)成完成進(jìn)行時(shí)(現(xiàn)在完成時(shí)),例:

          I have been studying English for ten years.

          我一直在學(xué)英語,已達(dá)十年之久。

          3)have+been +過去分詞,構(gòu)成完成時(shí)態(tài)的被動(dòng)語態(tài),例:

          English has been taught in China for many years.

          中國教英語已經(jīng)多年。

          二、have作普通動(dòng)詞形式

          為表示習(xí)慣動(dòng)作,do與have連用:

          — Do you have earthquakes in your country? 你們國家地震嗎?

          — Yes,but we don’t have them very often. 有,但不經(jīng)常。

          have意指take(a meal)(吃),give(a party)(舉行)等。

          We have lunch at one.

          我們1點(diǎn)鐘吃飯。

          They are having a party tomorrow.

          他們明天舉行聚會(huì)。

          I hope you’ll have a good holiday.

          我希望你愉快地度過假期。

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