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REVISION 1
* PRACTICE: Conditional Sentence- type 1 ( Câu điều kiện loại 1)I. Put the verbs in brackets into the correct tenses.
1. If I see him, I (give) him a lift.
2. The table will collapse if you (stand) on it.
3. If he (eat) all, he will be full.
4. If I find your passport, I (telephone) you at once.
5. The police (arrest) him if they catch him.
6. If he (read) in bad light, he will ruin his eyes.
7. Someone (steal) your car if you leave it unlocked.
8. What will happen if my parachute (not open) ?
9. If he (wash) my car, I’ll give him $10.
10. If she (need) a radio, she can borrow me.
II. Put the verbs in brackets into the correct form.
1. We ____________ (stay) at home if it rains.
2. She will call you if she ____________ (have) time.
3. If it _________ (not rain) tomorrow, we will go for a picnic.
4. If everyone _______(recycle) paper, metal and glass, we _____ (not produce) so much rubbish.
5. If you ________ (not water) plants, they ________ (die).
6. If the weather __________ (be) bad, we ________ (not go) to the park.
7. We _____ (save) thousands of trees if we _______ (not waste) so much paper.
8. What _______ (happen) if we _______ (keep) polluting the environment.
9. If we ________ (not stop) cutting down so many trees, we ______ (endanger) our oxygen supply.
10. If people ________ (dump) chemicals into rivers, they _______ (not be) able to swim in them in the future.
III. Complete the sentences with the correct form or tense of the verbs in brackets.
1. If people share their cars to go to work, there ____ (not be) so many car fumes.
2. I _______ (study) here for more than three years.
3. What a nice dress! Where ________ (you/ buy) it?
4. Don’t forget to take your umbrella. It _________ (rain).
5. If we _____ (recycle) paper products, we _________ (save) more trees.
6. Our class ______(organise) a writing contest. We have to write about the environment.
7. Give old clothes to charity instead of ________ (throw) them away.
8. Encouraging people ____ (use) public transport is a great way to reduce traffic jams.