Ex 1:

1. is listening

2. rains

3. works - isn't working

4. is running - is wanting

5. speaks - comes

6. is coming - are meeting

7. is snowing

8. swims - isn't run

9. don't know

10. think - look

Ex 2: 

1. live - am staying

2. am driving

3. are liying

4. isn't understand - are you talking

5. weight - really

6. start - start

7. is burning

8. is working

9. smokes

10. read - listen - watch

Ex 3:

1. are you doing

2. is watering

3. is playing - is playing

4. is watching

5. go - have - am - visit

6. is

7. am listening

8. watch - listen

9. am reading - is watching

10. get up

Ex 4:

1. received

2. have lived

3. has worked

4. has done

5. Was they put

6. has studied

7. have been

8. has been

9. came

10. has learnt

Ex 5: