1) If I (to study), I (to pass) the exams. 2) If the sun (to shine), we (to walk) to the town. 3) If he (to have) a temperature, he (to see) the doctor. 4) If my friends (to come), I (to be) very happy. 5) If she (to earn) a lot of money, she (to fly) to New York. 6) If we (to travel) to London, we (to visit) the museums. 7) If you (to wear) sandals in the mountains, you (to slip) on the rocks. 8) If Rita (to forget) her homework, the teacher (to give) her a low mark. 9) If they (to go) to the disco, they (to listen) to loud music. 10) If you (to wait) a minute, I (to ask) my parents.

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Chuyển từ chủ động sang bị động mình cần gấp giúp mik với EXERCISE 5. Present perfect tense 1. I have already watched the play before. ____________________________________________________________ 2. The 1999 flood has destroyed our city. ____________________________________________________________ 3. He has used his pencil instead. ____________________________________________________________ 4. This is the first time I have seen such a lovely dog. ____________________________________________________________ 5. The student hasn't done the homework yet. ____________________________________________________________ 6. They have taken her to the hospital. ____________________________________________________________ 7. They have cancelled the meeting. ____________________________________________________________ 8. Someone has moved my chair. ____________________________________________________________ 9. Someone has given him a lot of money. ____________________________________________________________ 10. We have invited all the students in the school. ____________________________________________________________ 11. We have told him not to be late again. ____________________________________________________________ 12. Our teachers have explained the English grammar. Thầ y Bùi Văn Vinh – 0988.333.599 110 ____________________________________________________________ 13. Have you finished the above sentences? ____________________________________________________________ 14. The police have arrested the mugger. ____________________________________________________________ 15. The police have arrested five suspects ____________________________________________________________ EXERCISE 6. Past perfect tense 1. They had finished doing their homework before they went to the cafeteria. ____________________________________________________________ 2. Her husband had done the housework before 7 party yesterday. ____________________________________________________________ 3. Before going shopping yesterday, David had cleaned the kitchen. ____________________________________________________________ 4. Wonbin had played the video game for four hours. ____________________________________________________________ 5. Ms Nina hadn't seen the film before. ____________________________________________________________