1. am
2. is wearing
3. is standing
3. are drinking
5. are dancing
6. are sitting
7. enjoying
8. chatting
9. go
10. dress
11. travel
12. don't make
B2
1 saw
2. were you doing
3. didn't visit
4. rained
5. was reading
6. ate
7. were running
8.Did you find
9. did she dance
10. were watching
B3
1. play -> playing
2. was, study -> were,studying
3. do -> doing
4. went 0> go
5. sleep -> sleeping
6. have -> had
B4
1. he often has breakfast late.
2. Are you doing the housework at the moment?
3. l do not go to shool on weekends