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2. I have ______ combed my hair.
Have you combed your hair ____.
3. He has _______ watched a video.
He has not watched a video _____.
already
already
already
yet
yet
yet
二. 现在完成时构成:1.肯定句:have/ has +过去分词(p.p)
2.否定句:在have/has后加not
3.一般疑问句:把have/has提到句首
1.I ________ ever _________(be) to Beijing.
2.We ______ already _________ (finish)our homework.
3.He ________ never _________ (see)an English movies.
4._______ she ever_________(speak) to a foreigner?
5.They _______ ________ (meet) the movie star.
6.I ______never _______(travel) to an English-speaking country.
7.Tom _______ever _______(write) a letter in English.
8.I _______ _______(collect) 50 stamps so far.
9.He finished his homework yet.
(A)doesn’t(B)haven’t (C) hasn’t (D) doesn’t have
have
been
have
finished
has
seen
Has