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to have been doing的用法例句

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瑞文問(wèn)答

2024-10-13

表示從過(guò)去某時(shí)開(kāi)始一直持續到現在的動(dòng)作,并且還將持續下去。
表示在說(shuō)話(huà)時(shí)刻之前剛剛結束的動(dòng)作。
表示一個(gè)從過(guò)去開(kāi)始延續到現在,可以包括現在在內的一個(gè)階段內,重復發(fā)生的行動(dòng)。

擴展資料

  We are going to have to stop doing that because we cannot find an individual electron.

  我們正要停止那么做,因為無(wú)法發(fā)現一個(gè)獨立電子。

  It may seem inefficient to have two programmers doing" one programmer's job", but the reverse is true.

  讓兩個(gè)程序員去做一個(gè)程序員的工作看起來(lái)有些效率低下,但是實(shí)際上剛好相反。

  We hope to have the pleasure of doing business with you.

  我們希望能有與你做生意的樂(lè )趣。

  I prefer to have a picture when doing this although it is not essential.

  我喜歡有一幅當這樣做,雖然它并不是必不可少的。

  Species from squids to chimpanzees have been caught doing it from time to time.

  各物種從魷魚(yú)到黑猩猩不時(shí)被抓到在欺騙撒謊。