câu điều kiện loại 1 tiếp :"(( Exercise 3: Put the verbs in the brackets in the correct tense 1. David will leave for Rent tomorrow if the weather _____ (be) fine. 2. What will you do if you _____ (not / go) away for the weekend ? 3. The game _____ (start) if you put a coin in the slot. 4. If you _____ (be) scared of spiders, don’t go into the garden. 5. We’ll have to go without John if he ( not arrive) _____soon. 6. Please don’t disturb him if he_____ (be) busy. 7. If she _____ (accept) your card and roses, things will be very much hopeful. 8. If a holiday_____ (fall) on a weekend, go to the beach. 9. If she (come) _____ late again, she’ll lose her job. 10. If he (wash) _____my car, I’ll give him $20. 11. He’ll be late for the train if he (not start) _____ at once. 12. If I lend you $100, when you (repay) _____me? 13. Unless I have a quiet room I (not be able) _____to do any work. 14. If we leave the car here, it (not be) _____ in anybody’s way. 15. Someone (steal) _____ your car if you leave it unlocked. 16. Unless he (sell) _____more, he won’t get much commission. 17. If you come late, they (not let) _____you in. 18. If you (not go) _____away I’ll send for the police. 19. If he _____ (eat) all that, he will be ill. 20. What _____ (happen) if my parachute does not open? Exercise 4: Put the verbs in the brackets in the correct tense 1) If we ________ (send) an invitation, our friends _________ (come) to our party. 2) He __________ (not/ understand) you if you _________ (whisper). 3) They __________ (not/ survive) in the desert if they __________ (not/take) extra water with them. 4) If you __________ (press) CTRL + s, you __________ (save) the file. 5) You __________ (cross) the Channel if you __________ (fly) from Paris to London. 6) Fred __________ (answer) the phone if his wife __________ (have) a bath. 7) If Claire __________ (wear) this dress at the party, our guests __________ (not/stay) any longer. 8) If I __________ (touch) this snake, my girlfriend __________ (not/ scream). 9) She __________ (forget) to pick you up if you __________ (not/phone) her. 10) I __________ (remember) you if you __________ (give) me a photo Exercise 5: Rewrite the following sentences as directed 1. If she should come, tell her to wait for me. (using inversion with SHOULD) …………………………………………………………………………………… 2. If I don’t come here early, I will miss the bus. Unless……………………………………………………………………… 3. If he doesn’t do that, he will get bonus. Unless……………………………………………………………………… 4. If she doesn’t water these trees, they will die Unless……………………………………………………………………… 5. I only come if they invite me. Unless……………………………………………………………………… 6. In case it rains, we’ll stay at home. (if) …………………………………………………………………………………… 7. If you don’t leave the office, I will call the police. (or) …………………………………………………………………………………… 8. You can’t visit Paris unless you get a visa. (If) ……………………………………………………………………………………