Put the verbs in brackets into the correct tenses.

1. Water (not run) downhill if there were not gravity.

2. If i tell you a secret, you (promise) not to tell it to anyone esle?

3. Tell him to ring me if you (see) him.

4. The police (arrest) him if they catch him.

5. If you (speak) more slowly, he might have understood tou.

Một máy bay bay với vận tốc 650 km/giờ. Tính thời gian để máy bay bay được quãng đường dài 1430km

Put the verbs in brackets into the correct tenses.

1. If she had asked you, you (accept)?

2. Rice plants (grow) well if there is enough rain.

3. He might get fat if he (stop) smoking.

4. What you (do) if you found a burglar in your house?

5. If she (not hurry), she may be late.

Put the verbs in brackets into the correct tenses.

1. If i see him, i (give) him a gift.

2. If i had a typewriteer, i (type) it myself.

3. If i had known that you were in hospital, i (visit) you.

4. You could make better progress if you (attend) class regularly.

5. If i (know) his telephone number, i'd give it to you.