12.
2) decided
3) was walking
4) felt
5) was looking
6) peeled
7) put
8) thought
9) was living
10) worked
11) walked
12) noticed
13) stared
14) was staring
15) had
16) searched
17) found
18) knew
13.
1. 2) has become
3) stated
4) signed
2, 1) arrived
2) has been
3) spoke
4) didn't pay
3. 1) died
2) was
3) wrote
4) have read
5) never managed
4. 1) has been
2) went
3) was
4) have visited
5) have never seen
5. 1) have seen
2) didn't like
3) made
4) were
5) have seen
