19.1
3. for
4.since
5.since
6.for
7.for
8.for, since
19.2
2. 5 days ago
3. 2 weeks ago
4. 2 minutes ago
5.2 years ago
19.3
3. for 20 years
4. 20 years ago
5. 10 minutes ago
6. an hour ago
7. for 6 months
8. for a long time
9. a few days ago
19.4
2. he has been there since Tuesday
3. raining for an hour
4. known her for 2 years
5. had it since 1989
6. been married for 6 months
7.been studying for 3 years
8. been playing
9. been playing since he was 7
19.5
1. I've Lived in Russia since I was a kid
2.I've been studying in school for ... years.
3.I've been learning English for ... years
4.I've known her since year 2000
5. I've had (