現(xiàn)在完成進行時基本句型
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.
簡略回答:Yes,第三人稱has.No,第三人稱hasn't.
1)表示一個在過去開始而在最近剛剛結(jié)束的行動,如:
Ann is very tired. She has been working hard.
Why are your clothes so dirty? What have you been doing?
2)表示一個從過去開始但仍在進行的行動,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)的一個階段內(nèi),重復發(fā)生的行動,如:
She has been playing tennis since she was eight.
4)現(xiàn)在完成時強調(diào)動作行為的結(jié)果、影響,而現(xiàn)在完成進行時只強調(diào)動作行為本身,如:
Tom’s hands are very dirty. He has been repairing the car.
The car is going again now. Tom has repaired it.
標志:1.句中常有延續(xù)性動詞,2.時間點前有since。