4. May i borrow your book?
5. I don't have to take my children to the kindergarten every morning.
6. Jane shouldn't put on pullover. It's rather hot outside.
7. I can't lend you my course book because i need it now
8. She thinks she will find a better job one day.
9. I hope it will rain tomorrow.
10. You mustn't smoke here. It's forbidden.
11. You should brush your teeth at least twice a day
12. The ice is too thin to skate on. It may break suddenly
13. Anna has just lost her purse so she can't buy a ticket for the evening concert.
14. Lisa doesn't have to work on Sunday, so she usually gets up late.
15. I used to play hide-and-seek when I was a child.
16. I promise l will tidy my room in the afternoon.
17. It may rain. Don't forget your umbrella.
18. I used to smoke but I gave up.
19. You drive too fast. You will have an accident one day! of the computer
20.I must leave now. My dad is waiting for me.
21. Can you help me, please?
22. You shouldn't spend so many hours in front of the computer.
23. You mustn't enter the room without permission
24. I've learning English for 10 years, so l can speak English now.
 25. John used to play the piano when he was a kid, not now he doesn't because he is too busy with his work.