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have doing是什么时态

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瑞文问答

2021-09-25

现在完成时进行。现在完成进行时,是英语中动词的一种基本时态,其构成为:主语+助动词(have/has)+been+动词的现在分词+其他成分。表示动作从某一时间开始,一直持续到现在,或者刚刚终止,或者可能仍然要继续下去。

扩展资料

  现在完成进行时基本句型

  肯定式第一人称have been doing sth.

  疑问式:Have+第一人称+been doing sth.

  简略回答:Yes,第一人称 have.No,第一人称 haven't.

  肯定式:第三人称+has been doing sth.

  疑问式:Has+第三人称been doing sth.

  简略回答:Yes,第三人称has.No,第三人称hasn't.

  1)表示一个在过去开始而在最近刚刚结束的行动,如:

  Ann is very tired. She has been working hard.

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

  2)表示一个从过去开始但仍在进行的'行动,如:

  It has been raining for two hours.(现在还在下)

  Jack has been feeling very well recently.

  3)表示一个从过去开始延续到现在,可以包括现在在内的一个阶段内,重复发生的行动,如:

  She has been playing tennis since she was eight.

  4)现在完成时强调动作行为的结果、影响,而现在完成进行时只强调动作行为本身,如:

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

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

  标志:1.句中常有延续性动词,2.时间点前有since。