2) a) Built
b) Exists
3) Saw, Sit
4) Never Saw, Wanted, Didn't have
5) Didn't wear
6) Knew
7) Learnt, Study
8) Works
9) Had, Stays
10) Close
11) Where have you spent
12) Worked
13) Finished
14) Flies, Crashes, Kills
15) Dealt
16) Finished
17) Waited
18) It's always raining
19) Changed
20) Broke