Які проблеми може розв'язувати сучасна ія

1. I haven`t seen you for ages. Where have you been all this time?
2. wants
3.wears
4.visit
5. was having, rang
6.were watching. came
7. was writing, returned
8.were playing
9.was packing
10.was vacuuming, were washing
11..was driving
12.has been snowing, has been, will change
13. has been working
14. has played, began
15 have run
16 have been writing, have read written
17.is, what is she doing, is looking
18. was talking