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Simple Past or Present Perfect

Author: Sa Monica
Description:
Keywords: , , , , , , online teaching

Content:
Groups:
1. Simple Past
2. Present Perfect
3. group_name3
4. group_name4

Objects:
0. yesterday
1. a long time ago
2. two years ago
3. in 1995
4. recently
5. lately
6. for 2 years
7. since 1995
8. yet
9. so far
10. until now
11. the past 3 days
12. already
13. several times
14. many times
15. many weeks ago
16. last holiday
17. since last holiday
18. for 10 years
19. 10 years ago
20. last July
21. last September
22. since September
23. for 3 months
.