11. My pen used to be borrowed.

12. His work had to be finished on time.

13. All the homework needn't be done.

14. If you listen carefully, you will know what to do.

15. Some big trees were destroyed by the storm yesterday.

16. If you had told me your problem, i could have helped you.

17. If he had been careful, he wouldn't have lost his money.

18. If you don't stop talking, you won't understand the lesson.

19. If you don't pay attention to the teacher, you won't understadn the lessons.

20. If i knew her phone number, i would ring her up.

21. If John's car hadn't broken down, he would't have missed the ferry.

22. If you don't work harder, you will lose your job.

23. If Toan hadn't got up late this morning, he would have had breakfast.

1.My pen used to be borrowed by him.
2.His word has to be finshed on time .
3.All the homeworkb needn't be done.

4.If you don't listen carefully, you won't know what to do.

5.Some big trees were destroyed by the storm yesterday.

6. If you had told me your problem, i could have helped you.

7. If he had been careful, he wouldn't have lost his money.

8. If you don't stop talking, you won't understand the lesson.

9. If you don't pay attention to the teacher, you won't understadn the lessons.

10. If i knew her phone number, i would ring her up.

11. If John's car hadn't broken down, he would't have missed the ferry.

12. If you don't work harder, you will lose your job.

13. If Toan hadn't got up late this morning, he would have had breakfast.