1.since 2002
2.since yesterday
3. for six days
4.for a month
5. for two weeks
6. since last month
7. for two years
8. for a whole day
9. for three hours
10.since monday
11. since my birthday
12.since last weekend
1.since 2002
2.since yesterday
3. for six days
4.for a month
5. for two weeks
6. since last month
7. for two years
8. for a whole day
9. for three hours
10.since monday
11. since my birthday
12.since last weekend