1. 1) is Tom doing, is cleaning
2) had always been trying
3) have not finished
4) did
5) was studying
6) was ringing
7) was cleaning, went
8) have'n seen
9) have you, eat, drink
10) wore
11) was looking, found
12) are doing, cut
13) was learning
14) don't build, use
15) were finishing, came
16) does she, playes, watches
2. 1) yet
2) before
3) still
4) ago
5) still
6) already
7) ago
8) already
9) yet
10) already
