Rewrite the following sentences using the words given
1. Eat better food, and you won’t get sick.
F If you ___________________________________________________________________
2. Save energy, and you will save some money.
F If you ___________________________________________________________________
3. Protect the earth or we will have no place to live.
F If we ___________________________________________________________________
4. Unless you study it, you won’t understand it.
F If you ___________________________________________________________________
5. If you don’t study harder, you won’t pass the exams.
F Unless you _______________________________________________________________
6. Don’t pollute the air, or we will have breathing problems.
F If we ___________________________________________________________________
7. Keep the water clean, or the fish in this lake will die.
F If you ___________________________________________________________________
8. Remember to turn off all the lights here, or you will waste lots of electricity.
F If you ___________________________________________________________________
9. Be patient, or you won’t pass the examination.
F If you __________________________________________________________________
10. Plant more trees, or the air will be more polluted.
F If we ___________________________________________________________________
11. Water these trees or they will die.
F If you __________________________________________________________________
12. Leave now or we will miss the plane.
F If we ___________________________________________________________________
13. Be careful or you may fall.
F If you ___________________________________________________________________
14. Plant more trees and we will have fresh air.
F If we ___________________________________________________________________
15. Use reusable bags and we’ll help the environment.
F If we ___________________________________________________________________
1. save some money or you won't able to buy the house
=> if................i save some money, you will able to buy the house.................
2. because i don't meet her, i don't give her your letter
=> if.............i met her, i would give her your letter.......................
3. they are too slow, they can't win the match
=> if................they were too slow, they couldn't win the match..................
4. she is too weak, she can't take any exercise
=> if..................she were too weak, she couldn't any exercise..................
5. people don't understand him because he doesn't speak clearly
=> if.................he spoke clearly, people could understand him..................
6. i didn't watch tv last night because i was busy
=> if.............i hadn't been busy, i would have watched Tv.......................
7. i didn't see the signal, so i didn't stop
=> if..............i saw the signal, i would stop.......................
8. we got lost because we didn't have a map
=> if..................we had a map, we wouldn't get lost................
9. we stayed up late last night and we were so tired
=> if.................we hadn't stayed up late last night, we wouldn't have been so tired.................
10. he wasn't able to answer the questions, so he failed the exam
=> if................he had been able to answer the questions, he wouldn't have failed the exam................