1. If I were tall, I could apply that job. ĐK loại 2 

2 If we hadn't been lazy last year, we could have passed the exam. Loại 3

3. Unless she is free, she won't come to the party. Loại 1

4. If Nam worked hard, he could pass the exam. Loại 2

5. Unless Jack has free time, he won't visit us. Loại 1

6. If I had't been ill yesterday, I could have gone to school. Loại 3

7. If I were a bird, I could fly. Loại 2

8. If She had learnt the old lesson, he wouldn't have gotten a zero mark. Loại 3

9. Unless he study harder, he will fail the examinator. Loại 1

10. If Henry knew E, he could apply for this job. Loại 2

11. Unless it stop raining, we will delay the flight. Loại 1

12. If he had't been ill yesterday, he could have gone to school. Loại 3

13. If he were not ill, he could join the trip with us. Loại 2

14. If she had worked hard, he would have passed the final test. Loại 3

15. Unless we are busy, we 'll take you..... Loại 1

16. If Mary hadn't been lazy, she wouldn't have got a bad mark. Loại 3

17. Unless Tom has enough money, he won't buy this book. Loại 1

18. If the weather isn't too hot, we won't go camping. Loại 1

19. If Linda hadn't stayed up late last night, she wouldn't have been ill. Loại 3

20. If I were older, I could watch horror films. Loại 2

21. If she were not shy, she would enjoy parties. Loại 2

22. If that book isn't expensive, I will buy it. Loại 1

23. If he spoke clearly, people could understand him. Loại 2

24. If she had known you were in the hospital, she would have visited you. Loại 3

25. If he took any exercise, he wouldn't be fat. Loại 2

26. If it were not raining, we could have lunch in the garden. Loại 2

27. If I had eaten dinner, I wouldn't be hungry. Loại 2 kết hợp loại 3

28. If Helen had followed the doctor's orders, she wouldn't be sick. Loại 2+3

29. If we had stopped ....., we wouldn't have ran out of petrol. Loại 3

30. If we had had a map, we wouldn't have got lost. Loại 3

31. If it hadn't rained all the time, he could have enjoyed his visit. Loại 3

32. If we hadn't been using an ...., we wouldn't have missed the train. Loại 3.

33. If thay spoke English to her, her English could be improved. Loại 2

34. If I had much time, I could read more. Loại 2

35. Unless he reads more, he won't ..... Loại 1