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.

1.If we (recycle)  ________ more, we will help the Earth.

2. Factories (not dump) ______________waste into rivers if the government fine them heavily.

3. If people travel to work by bus, there (be)  ______________fewer car fumes.

4. We (save)  ________________thousands of trees if we don’t waste paper.

5. If we use water carefully, more people (have) ______________fresh water.

6. If the factory ( continue) ________________ dumping poison into the lake, all the fish and other aquatic animals will die.

7.If we recycle more, we (help) ________________ the Earth.

8. If people (travel)________________to work by bus, there will be fewer car fumes.

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

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

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

12. If you are kind to me, I (be) _______________  good to you.

Question IV.Combine 

1.If we (recycle)  ________ more, we will help the Earth.

2. Factories (not dump) ______________waste into rivers if the government fine them heavily.

3. If people travel to work by bus, there (be)  ______________fewer car fumes.

4. We (save)  ________________thousands of trees if we don’t waste paper.

5. If we use water carefully, more people (have) ______________fresh water.

6. If the factory ( continue) ________________ dumping poison into the lake, all the fish and other aquatic animals will die.

7.If we recycle more, we (help) ________________ the Earth.

8. If people (travel)________________to work by bus, there will be fewer car fumes.

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

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

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

12. If you are kind to me, I (be) _______________  good to you.

I . put the verbs in brackets into the correct form

1. If we ( recycly ) ............ more , we will help the Earth

2. Factories ( not dump ) ............. waste into rivers if the government fine them heavily

3. If people travel to work by bus , there ( he ) ................ fewer ear fumes

4. We ( save ) ............... thousands of trees if we don't waste paper

5. If we use water carefully , more people ( have ) .............. fresh water

6. If the factory ( continue ) ................. dumping poison into the lake all the fish and other aquatic animals will die

Put the verbs in brackete into the  correct tense

1.If we ( recycle)……………. more, we (help).. ………… the earth.

2. Factoties ( not dump)………………. waste  into the rivers if the government (fine) …………………. them  heavy

3. If people  (travel)…………………….. to work by bus,  there (be) ………….. fewer cars fumes.

4. We ( save)………….. thousands of trees if we (not waste)…………….. paper.

5. If we ( use)………….. waste water carefully, more peope (have)……………… fresh water.

6. If you (be)………. the president, what you(do)……………….?

7. they  get sick so often. If they (exercise)…………… more, they (be)……….. healthier.

8. If I ( have)………………… one million  US dolars, I (build)…………….. more parks in our city.

9. Ngoc’s mother is unhappy. If Ngoc (tidy)…………….. her room every day, her mother (not be)……………………… so upset.

10. there isn’t  a garden  at our house. If there (be)……………….. , we ( grow)………….. vegetables

Question III. Put the verbs in brackets into the correct form.

1.If we (recycle) ________ more, we will help the Earth.

2. Factories (not dump) ______________waste into rivers if the government fines them heavily.

3. If people travel to work by bus, there (be) ______________fewer car fumes.

4. We (save) ________________thousands of trees if we don’t waste paper.

5. If we use water carefully, more people (have) ______________fresh water.

6. If the factory (continue) ________________ dumping poison into the lake, all the fish and other aquatic animals will die.

7.If we recycle more, we (help) ________________ the Earth.

8. If people (travel)________________to work by bus, there will be fewer car fumes.

9. We will save thousands of trees if we (not waste) _______________ paper.

10. Factories won’t dump waste into rivers if the government (fine) _______________ them heavily.

11. Our teacher (tell) _______________ us yesterday that he (visit) _______________ England in 1970.

12. Alan (have) _______hardly (prepare) ________for dinner when her husband (go) _______home

13. No sooner (have) ___________I (watch) _______TV than the phone (ring) __________

14. Before I (watch) __________ TV, I (do) _____________my homework.

15. After I (wash) _____________my clothes, I (sleep) _______________