Change the following sentences into negative

----- Nội dung dịch tự động từ ảnh -----
..my sister since he was very young.(love)
..El for 4 years.(learn)
..........the film Full house' at least three times.(see)
........such an interesting story yet.(not hear)
...as a clerk since 1995.(work)
13. Thuy ........
.....in that company since 1985.(not work)
14. They .... ...him any money since last summer.(not send)
15...they .......
.......friends since high school? (be)
8. He..
9. We.....
10. I........
11. We .........
12. She ...
16. I
17. We.
18.
.....he
19. .......... you...
20. We.
21.
in Ho Chi Minh City since 1992. (live)
in this hospital for 4 years. (work)
Hai Phong since last week.? (leave)
....... a car before? (drive)
...... each other for a long time (not meet)
to Vietnam? (travel)
you ever
22...... ..............you
here since I left school.? (learn)
Exercise 2: Change the following sentences into negative & question forms of the present perfect tense.
1. She has studied English since 1996
→ (-).........
*******
→(?)......
2.I have just wash my car.
→(-)........
→(?).......
3.He has repaired his bike.
→(-)..........
→(?)........
4. They have played games on the computer.
→(-)....….........
→(?).......
5. We have taught English for two years.
→(-)...........
→(?)....