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have+doing是什么時(shí)態(tài)

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瑞文問答

2024-10-18

現(xiàn)在完成時(shí)進(jìn)行,F(xiàn)在完成進(jìn)行時(shí),是英語(yǔ)中動(dòng)詞的一種基本時(shí)態(tài),其構(gòu)成為:主語(yǔ)+助動(dòng)詞(have/has)+been+動(dòng)詞的現(xiàn)在分詞+其他成分。表示動(dòng)作從某一時(shí)間開始,一直持續(xù)到現(xiàn)在,或者剛剛終止,或者可能仍然要繼續(xù)下去。

擴(kuò)展資料

  現(xiàn)在完成進(jìn)行時(shí)基本句型

  肯定式第一人稱have been doing sth.

  疑問式:Have+第一人稱+been doing sth.

  簡(jiǎn)略回答:Yes,第一人稱 have.No,第一人稱 haven't.

  肯定式:第三人稱+has been doing sth.

  疑問式:Has+第三人稱been doing sth.

  簡(jiǎn)略回答:Yes,第三人稱has.No,第三人稱hasn't.

  1)表示一個(gè)在過去開始而在最近剛剛結(jié)束的行動(dòng),如:

  Ann is very tired. She has been working hard.

  Why are your clothes so dirty? What have you been doing?

  2)表示一個(gè)從過去開始但仍在進(jìn)行的行動(dòng),如:

  It has been raining for two hours.(現(xiàn)在還在下)

  Jack has been feeling very well recently.

  3)表示一個(gè)從過去開始延續(xù)到現(xiàn)在,可以包括現(xiàn)在在內(nèi)的一個(gè)階段內(nèi),重復(fù)發(fā)生的行動(dòng),如:

  She has been playing tennis since she was eight.

  4)現(xiàn)在完成時(shí)強(qiáng)調(diào)動(dòng)作行為的結(jié)果、影響,而現(xiàn)在完成進(jìn)行時(shí)只強(qiáng)調(diào)動(dòng)作行為本身,如:

  Tom’s hands are very dirty. He has been repairing the car.

  The car is going again now. Tom has repaired it.

  標(biāo)志:1.句中常有延續(xù)性動(dòng)詞,2.時(shí)間點(diǎn)前有since。