Ex 4.
1. She
2. We
3. I
4. He
5. My sister
6. My watch
7. Rita
8. You
9. Her cousins
10. My granny
Ex. 5
1. Drinks
2. Like
3. Walk
4. Spend
5. Works
6. Start
7. Walks
8. Play
9. Buys
10. Begins
11. Visit
12. Has
13. Rains
14. Costs
15. Take
Ex. 6
1. Don't
2. Doesn't
3. Don't
4. Don't
5. Doesn't
6. Don't
7. Doesn't
8. Don't
9. Don't
10. Doesn't
11. Doesn't
12. Don't
13. Doesn't
14. Don't
15. Don't