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has been done/doing是什么時(shí)態(tài)

回答
瑞文問(wèn)答

2024-06-24

have done doing是現(xiàn)在完成進(jìn)行時(shí),現(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(kāi)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

  構(gòu)成形式

  非第三人稱(chēng)單數(shù):Subject (主語(yǔ))have been + 動(dòng)詞的現(xiàn)在分詞

  第三人稱(chēng)單數(shù):Subject (主語(yǔ))has been + 動(dòng)詞的現(xiàn)在分詞

  基本句型

  肯定句 主語(yǔ)+have/has+been+動(dòng)詞的現(xiàn)在分詞+其他

  否定句 主語(yǔ)+haven’t/hasn‘t+been+動(dòng)詞的現(xiàn)在分詞+其他

  一般疑問(wèn)句 have/has+主語(yǔ)+been+動(dòng)詞的.現(xiàn)在分詞+其他

  肯定回答:Yes.主語(yǔ)+have/has 否定回答:No.主語(yǔ)+haven't/hasn't

  1) 表示一個(gè)在過(guò)去開(kāi)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(guò)去開(kāi)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(guò)去開(kāi)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。