I. Give the correct form of the verbs
1. If I ……..( study), I ……..( pass) the exams.
2. If the sun ………( shine), we……..( walk) into town.
3. If he……..( have) a temperature, he……..( see) the doctor.
4. If my friends……..( come), I……..( be) very happy.
5. If she……..( earn) a lot of money, she……..( fly) to New York.
6. If we……..( travel) to London, we……..( visit) the museums.
7. If you……..( wear) sandals in the mountains, you……..( slip) on the rocks.
8. If Rita……..( forget) her homework, the teacher……..( give) her a low mark.
9. If they……..( go) to the disco, they……..( listen) to loud music.
10. If you……..( wait) a minute, I……..( ask) my parents
1. If she ……………….. (invite) me, I ………………. (go)
2. If it …………………. (rain), we ………………… (cancel) the match.
3. If I ……………….. (get) a promotion, I ………………… (buy) a car.
4. If she ………………. (be late), we …………………. (go) without her.
5. If you ………………. (ask) more politely, I ………………… (buy) you a drink.
6. If you …………………. (not behave), I ………………. (throw) you out.
7. If he ……………….. (win) the first prize, his mother ……………… (be) happy.
8. If he ……………….. (get) proper medical care, he ………………. (survive)
9. If the drought ………………… (continue), plants and animals ………………… (perish).
II. Rewrite the sentences
1.If you don't study harder, you 'll get bad marks.
=> Unless ..........................................................................
2.Unless this man is a driver, he can’t help you move by car.
.................................................................................................................................
3. If he doesn't practice writing every day, he can't improve his writing skill.
=> Unless ..........................................................................
4. Unless you return this book to the library today, you’ll have to pay a fine.
=> If ..........................................................................
5. Unless you go out more often, you might fall ill.
=> If ..........................................................................
6. If you are absent from school, you have to write a sick-note.
=> Unless ..........................................................................
7. Unless the seas is warmer, the ice at the North and South pole will not melt.
=> If ..........................................................................
8. If you don’t return this book to the library today, you’ll have to pay a fine.
=> Unless ………………………………………………………………..
16. If he has a temperature, he will see the doctor.
→ Should..........he have a temperature, he will see the doctor...................................................
17. If my friends come, I will be very happy.
→ Should.........my friend come, I will be very happy....................................................
18. If she had earned a lot of money, she would have flown to New York.
→ Had .....she earned a lot of money, she would have flown to New York.......................................................
19. If I knew your father, I would tell him to help you practice harder.
→ Were............I to know your father, I would tell him to help you practice harder.................................................
20. If she needs some more money, she can take an extra 200.
→ Should.......she need some more money, she can take an extra 200.....................................................