3. My sister has had her cell phone _____fo_ra month .
4. My friends haven’t visited me ___s_in_c_efew days ago.
5. We haven’t used our car _____faorlong time .
I have planted all the trees. 注:主语假设是第三人称单数助动词用 has
finished 9. goes 10. have, found 11. is He’ll be back soon.
Where’s Li Ming ? He __________ (go) to the teacher’s office.
否认形式 haven’t ( have not 〕 +过去分词 I ________ (see) it last week.
Where’s Li Ming ? He __________ (go) to the teacher’s office.
hasn’t ( has not ) +过去分词 have, stayed 8.
have, finished
have, stayed
• 1. have, seen, saw 2. Has, finished 3. has, —Yes, I ___________ New York twice.
You have planted all the trees. since: (自…以来)
6. She hasn’t had a good cup of coffee _____yefaorrs.
7. Tom has worn glasses _______he was 7 years old. since