31) Why didn’t you attend the meeting?- Oh, I did not know. If I_____, I_____ there.

A. know / would come B. had known / would have come C. had known / will come D. known / had come

32) What_____ we do if they do not come tomorrow? A. would B. will C. did D. had

33) If I had enough time now, I_____ to my parents. A. would write B. write C. will write D. wrote

34) It’s too bad Helen isn’t here. If she_____ here, she_____ what to do. A. is / will know B. was / knows C. were / would know D. are / would have known

35) If I don’t eat breakfast tomorrow morning, I_____ hungry during class. A. will get B. got C. would get D. had got

36) If she_____ late again, she’ll lose her job. A. come B. comes C. came D. had come

37) I’ll let you know if I_____ out what’s happening. A. find B. finds C. found D. had found

38) If we_____ in a town, life would be better. A. live B. lived C. would live D. had lived

39) I’m sure he wouldn’t mind if we_____ early. A. arrive B. arriving C. arrived D. had arrived

40) If I won the lottery, I_____ you half the money. A. gave B. had given C. will give D. would give

41) The kitchen will look better if we_____ red curtains. A. have B. had C. had had D. would have

42) If I knew his address, I_____ round and see him. A. go B. will go C. would go D. went

43) If you_____ so busy, I would have shown you how to play. A. hadn’t been B. weren’t C. aren’t D. wouldn’t be

44) It_____ quicker if you use a computer. A. will be B. would be C. were D. been

45) If we have some eggs, I_____ you a cake. A. made B. makes C. will make D. would make

46, If he comes,……………… A. we would go to lunch. B. we will go to lunch. C. we went to lunch.

47.I would buy a new house ………………………………………. A.if I have a lot of money. B. if I had a lot of money. C.If I win the lottery.

48. If she misses the bus,………………………………… A.I will take her to school by car. B.I would take her to school by car. C.she had to walk.

49. If I had known you were in town,………………………………………………

A. I had bought you some flowers. C. I would have bought you some flowers. B. I will buy you some flowers.

50. If he studies a lot,………………………………. A. he would pass the exam. B.he would have passed the exam. C. he will pass the exam.

Công thức :

ĐK loại 1:If + S + V(s,es), S + Will/Can/shall…… + V

ĐK loại 2 If + S + V2/ Ved, S +would/ Could/ Should…+ V

ĐK loại 3 If + S + Had + V(pp)/Ved, S + would/ could…+ have + V(pp)/Ved

31.B

32.B

33.A

34.C

35.A

36.B

37.A

38.B

39.C

40.D

41.A

42.C

43.B

44.A

45.C

46.B

47.B

48.A

49.C

50.C