Câu 39: We would havegiven you a lift if we’d know you were coming this way.
A B C D
Câu 40: I had gone to see you if I’d known that you were ill.
A B C D
Câu 41:I think you should ………. up late at night.
A. stayed B. Staying C. stay D. to stay
Câu 42: If I ……….. again, I think that I would have succeeded.
A. had tried B. tried C. try D. trying
Câu 43: If you feel bored, you should …………. away for a few days.
A. went B. gone C. to go D. go
Câu 44: Water……….down hill if there weren’t gravity.
A. won’t run B. didn’t run C. wouldn’t have run D. wouldn’t run
Câu 45: If I ................ you, I wouldn’t buy that coat.
A. would be B. was C. were D. Am
Câu 46: What would happen if I…………. that red button.
A. had pressed B. press C. was pressed D. pressed
Câu 47: He will get fat if he ……… smoking.
A. stops B. had stopped C. did stop D. stopped
48. Sally……….the phone if she were in the room now.
A. will answer B. shall answer C. would answer D. answered
49. I wonder where Mai is. She should ________ here by now.
A. be B. is C. to be D. being
Đáp án D
Câu điều kiện loại 3: If S had PII, S would have PII => Dạng đảo ngữ: Had S PII, S would have PII Chỉ một giả định không có thật trong quá khứ.