:
Ex. 1
1. is spending
2. go
3. having
4. is having
5. have,leave
6. fly
7. am sitting
8. brings
9. do you have
10. am staying
11. does it cost
12. doing
13. I usually get up
14. don't understand
15. watch
16. do you know
17. are coming
18. are building
19. catch
20. is leaving
Ex. 2
1. is having
2. is barking
3. gets up
4. he is going
5. drives
6. doesn't work
7. are you learning
8. am living
9. you're wearing
10. is cooking
11. is running
12. give
13. don't want
14. are you meeting
15. am not working
16. speak
17. isnt using
18. does Tony live
19. is running
20. is singing
Ex. 3
1. is sitting
2. is knocking
3. stop
4. make
5. is playing
6. am correcting
7. am preparing
8. earns
9. is standing
10. take
11. comes
12. is coming
13. is waiting
14. rings
15. is smoking
16. is snowing
17. go
18. makes
19. am looking
20. rains
Ex. 4
A
Are going,am organizing, like,has,is planning,is bringing,goes,has,thinks,likes,is taking
B
Gives,travels,is staying,is having,is drinking,is reading,plays,practices, goes,gets up,gets,is wearing