3. Kate has lived here *since* 2012.
4. It has been raining *for* a long time.
5. The tv has been on *since* 5 o'clock.
6. I have wanted to be a doctor *since* i was a kid.
7. Sam has studied at this college *for* only a week.
8. The telephone has been ringing *for* a few minutes.
9. Maria and Eduardo have been married *for* 3 months.
10. My uncle has been in the hospital *since* last Tuesday.
11. Dinosaurs have been extinct *for* 65 million years.
12. I've had this job *since* June.
13. I haven't seen my friend *since* last week.
14. We've been waiting for our flight *for* an hour.
15. Stewart hasn't any junk food *for* several months.
