EXERCISE I: Put the verbs in brackets in correct tenses. 1/ If I (have) ________ a typewriter, I could type it myself. 2/ If I had known that you were in hospital, I (visit) ________ you. 3/ You could make much progress if you (attend) ________ class regularly. 4/ If I (know) ________ his telephone number, I would give it to you. 5/ If you (arrive) ________ ten minutes earlier, you would have got a seat. 6/ If he (study) ________ harder, he can pass an exam. 7/ She may be late if she (not hurry) ________. 8/ Tell him to ring me if you (see) ________ him. 9/ If you (speak) ________ more slowly,he might have understood you. 10/ What (you do) ________ if you got fat?

Đáp án:

EXERCISE I: Put the verbs in brackets in correct tenses.

1/ If I (have) ____had____ a typewriter, I could type it myself. (If loại 2)

2/ If I had known that you were in hospital, I (visit) ___would have visited_____ you. (If loại 3)

3/ You could make much progress if you (attend) ___attended_____ class regularly. (If loại 2)

4/ If I (know) ___knew_____ his telephone number, I would give it to you. (If loại 2)

5/ If you (arrive) ___arrived_____ ten minutes earlier, you would have got a seat. (If loại 2)

6/ If he (study) ___studies_____ harder, he can pass an exam. (If loại 1)

7/ She may be late if she (not hurry) ___doesn't hurry_____. (If loại 1)

8/ Tell him to ring me if you (see) ___see_____ him. (If loại 1)

9/ If you (speak) ___had spoken_____ more slowly,he might have understood you. (If loại 3)

10/ What (you do) ___would you do_____ if you got fat? (If loại 2)

*Công thức:

+ Câu điều kiện loại 1:  [If + thì hiện tại đơn],  [will + động từ nguyên mẫu]

+ Câu điều kiện loại 2:  [If + thì quá khứ đơn],  [would + động từ nguyên mẫu]

+ Câu điều kiện loại 3:  [If + thì quá khứ hoàn thành],  [would + have + V3/V-ed]

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