1. If he (study) ________________  harder, he can pass an exam.

2. She may be late if she (not hurry) ________________.

3.If you study harder, you (pass) ________________  the exam.

4.If people really cared about the environment, they ( not dump )_ waste into the lake.

5.If there was no fresh water in the world, what (happen) ________________.

6.If you (be)___________ the president, what would you do to help the environment ?

7.They get sick so often.If they exercised more, they (be) ____________ healthier.

8.If I (have) __________ one million US dollars, I would build more parks in our city.

9. Four countries ______________ (visit) by John so far.

10. London ______________ (have) a population of eight million people.

11. Vietnam’s Independence Day ________________ (celebrate) on September 09^th.

12. We ______________ (visit) Sydney Opera House for several times.

13. Some activities ______________ (prepare) to celebrate the lunar new year now.

14. When I came to the stadium, the match (start) _____________________

15. Before she (listen) _____________ to music, she (do)_____________ homework.

16. Last night, Peter (go)______ to the supermarket before he (go) __________ home.

17. Most students (leave) _____________ before the volcano (erupt) __________.

18. I (find) ____________ my pen after I (buy)_____________________ a new one.

19. Food and medical supplies (deliver)…………………….yesterday afternoon.

20. In the future, natural disasters (predict)… accurately with the help of  technology.

21.Three cats (rescue) ………………………….by the volunteers last Sunday.

22. Two houses (build) ………………………….in the city every years.

23. Earth (hold)………………………. by the gravity of the sun and orbits around it

giúp mik vs ặ

1. If he (study) ____studies_____________  harder, he can pass an exam.

2. She may be late if she (not hurry) __hurries______________.

3.If you study harder, you (pass) ________________  the exam.

4.If people really cared about the environment, they ( not dump ) __ ______________ waste into the lake.

5. If there was/ WERE no fresh water in the world, what (happen)

_________?

6.If you (be) _________ the president, what would you do to help the environment ?

7.They get sick so often.If they exercised more, they (be) _____________ heathier.

8.If I (have) ________ one million US dollars , I would build more parks in our city.

-> 3 LOAI:

Type 1: ở tương lai   :             If (HTĐ),       Will V/ can V/ May V/ …

TYPE 2: Trái với Hiện tại :    If (qkđ),          would V

Type 3: Trái với QK:             If ( Had PP),   would have PP

9. Four countries ____ __________ (visit) by John so far.

10. London ______________ (have) a population of eight million people.

11. Vietnam’s Independence Day __ ______________ (celebrate) on September 02^nd .

12. We _ _____________ (visit) Sydney Opera House for several times.

13. Some activities ________ (prepare) to celebrate the lunar new year now.

14. When I came to the stadium, the match (start) _ ___

15. Before she (listen) _ ________ to music, she (do)__ _____ homework.

16. Last night, Peter (go) _ ___________________ to the supermarket before he (go) _________ _________________ home.

17. Most students (leave) __ ____________________ before the volcano (erupt) ________ _______________.

18. I (find) _________________ my pen after I (buy)__________ a new one.

19. Food and medical supplies (deliver)…… ……….yesterday afternoon.

20. In the future, natural diasters (predict)… … …………………… accurately with the help of  technology.

21.Three cats (rescue) … ……………………….by the volunteers last Sunday.

22. Two houses (build) …… …………………….in the city every year.

23. The Earth (hold)… ………………………. by the gravity of the sun and orbits around it.

1. Study hard or you will fail the exam. a. If you didn't study hard, you wouldn't fail the exam b. If you study harder, you won't pass the exam. c. If you don't study hard, you will fail the exan. d. If you studied hard, you will pass the exam. 2.'I'm going on the Internet now' Minh said. a. Minh said he is going on the Internet now. b. Minh said I am going on the Internet now. c. Minh said us he was going in the Internet ther. d. Minh told us he was going on the Internet then. 3. My daughter is looking forward to seeing her friends again. a. My daughter is expecting to see her friends again. b. My daughter feels bored because she is going to see hei friends. c. My daughter doesn't want to see her friends again. d. My daughter always like seeing her friends. 4. Why don't you use a password to protect your files? An said to me. a. An advised me to usc a password to protect your files b. An suggested me using a password to protect my files c. An encouraged me to use a password to protect my files d. An asked me why I didn't use a password to protect my files. 5. You haven't seen Mary today, have you? a. You haven't seen Mary so far b. Have you ever met Mary before? c. Have you seen Mary today by any chance? d. Are you going to see Mary today? B. Write the second sentence so that it has a similar meaning to the first. 1. Your parents' house is still in Nha Trang, isn't it? Your parents still___________ 2. My brother spends thrce hours surfing the Net every night. It takes_________ 3. She asked Joanna how she thought of her new dress? . 'How__________ 4.'Do you like watching ?' He said to me. He asked___________ 5. I was surprised I passed the exam. I didn't expect__________ 6. Do you find it difficult to understand him'? Do you have____________ 7. It's a pity I don't know many people here. I wish____________ 8. 'Laura! Don't touch the electric wires!" Mike warned____________ 9. My mother never allows me to go out alone at night. My mother never lets___________ 10. People should use bicycles for short journeys. Bicycles___________