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.

Rewrite the following sentences: 

1.He can't go out because he has to study for his exam. -)If...

2.She is lazy so she can't pass the exam. =)If...........

3.He smokes too much;that's why he can't get rid of his cough. =)If.............

4.He will pay me tonight;I will haveenough money to buy a car.=) If..............

5.She is very shy, so she doesn't enjoy the party. =)If............

6.I will get a work permit.I will stay for another month.=)If.................

7.He doesn't take any exercises.He is so unhealthy. =)If..........

8.We can't get the ticket because I don't have the right change. =)If................

9.Study hard or you won't pass the exam.=)If..............

10.Don't be im patient or you will make mistakes. =)If....................

1. Factories don’t dump waste into rivers if the government (fine) _________ them heavily. 2. If he (study) ________________ harder, he can pass an exam. 3. She may be late if she (not hurry) ________________. 4. If you study harder, you (pass) ________________ the exam. 5. If you are kind to me, I (be) _______________ good to you. 6. If he (give) _______________ up smoking, as his doctor orders, he will be soon well again. 7. You (not pass) _______________ your driving test unless you drive more carefully. 8. He’ll be ill if he (not stop) ________________ worrying so much. 9. We’ll go to the beach tomorrow if it (be) ________________ nice.III. Put the verbs i 10. If I were you, I (look) ________________ for a new place to live.

1. Factories don’t dump waste into rivers if the government (fine) _________ them heavily. 2. If he (study) ________________ harder, he can pass an exam. 3. She may be late if she (not hurry) ________________. 4. If you study harder, you (pass) ________________ the exam. 5. If you are kind to me, I (be) _______________ good to you. 6. If he (give) _______________ up smoking, as his doctor orders, he will be soon well again. 7. You (not pass) _______________ your driving test unless you drive more carefully. 8. He’ll be ill if he (not stop) ________________ worrying so much. 9. We’ll go to the beach tomorrow if it (be) ________________ nice.III. Put the verbs i 10. If I were you, I (look) ________________ for a new place to live.

Rewrite the sentences without changing the meaning.

1. He can’t go out because he has to study for his exam.

→ If ..................................................................................................................................

2. She is lazy so she can’t pass the exam.

→ If ..................................................................................................................................

3. He will pay me tonight; I will have enough money to buy a car.

→ If ..................................................................................................................................

4. He smokes too much; that’s why he can’t get rid of his cough.

→ If ..................................................................................................................................

5. She is very shy, so she doesn’t enjoy the party.

→ If ..................................................................................................................................

6. I get a work permit. I will stay for another month.

→ If ..................................................................................................................................

7. He doesn’t take any exercises. He is so unhealthy.

→ If ..................................................................................................................................

8. We can’t get the ticket because I don’t have the right change.

→ If ..................................................................................................................................

9. Study hard or you won’t pass the exam.

→ If ..................................................................................................................................

10. Don’t be impatient or you will make mistakes.

→ If ..................................................................................................................................

1- What will you do if you (win) 2- I would have visited you if I (have)........... a big price ? .....time. 3-If you don't work hard, you (not pass) ………the exam. 4-Joan would buy that car if she (have).............. ....money. 5- If he plays well, he (be) …….will be. got into the team. 6-Jack would have got good mark if he (do)........ ...homework 7-If you (not stop )................ ...borrowing money, you'll be in trouble. 13- If he were paid higher salary, he (not think) ...about another career. 14 If you had invited jack he (come) ….. 11- If she (be)………………….. rich, she could give us some money. 12- You will be late if you (not hurry)............ 8-If John had finished the work on time, he (get)..... ..award. 9- If John (try)........ , he can do better. 10- If he (eat)...………...all that, he'll be ill.

1. Put the verbs in brackets into the correct 

 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 you are kind to me, i (be) ............. good to you

5. if he (give) ........... up smoking,as his doctor orders,he will be soon well again

6. you (not pass) .............. your driving test unless you drive more carefully

7. he'll be ill if he (not stop ) ........... worrying so much 

8. we'll go to the beach tomorrow if it (be) ......... nice