Practice Makes Perfect

43 
The Indefinite Articles: A and An
43-1 
1. We saw a horrible accident this morning. 2. This is a one-way street. 3. My uncle has an ostrich on 
his farm. 4. He is an American citizen. 5. I wear a uniform to work. 6. There was an earthquake last 
night. 7. You are an excellent student. 8. I need a hammer to fix the roof. 9. It was a useful tool.
10. I have a red apple in my lunch bag. 11. We bought an oil painting at the market. 12. This is a busy 
airport. 13. Give me an example, please. 14. We played the game for an hour and a half.
43-2 
1. an, a, a 2. a 3. an, a 4. an 5. a, an, a 6. an 7. an 8. a 9. a 10. an 11. a 12. an, a, 
an 13. a 14. an, a, an, a, an 15. a, a 16. an 17. an 18. an 19. a, a 20. an, a 21. a 22. an
23. a 24. an 25. an, a 26. an 27. a 28. an 29. a 30. an 31. an 32. a, a, an 33. a 34. an, 
a, a 35. a, an 36. an 37. a 38. an 39. a 40. an
44 
Irregular Verbs Table
No exercises
45 
The Present Perfect Tense
45-1 
1. They have worked in Japan. 2. William has grown a lot since the last time I saw him. 3. My parents 
have been together for twenty years. 4. They have borrowed a lot of money from their friends. 5. She has 
taught English in many different schools. 6. You have offended everybody in the office. 7. I have heard 
that noise in my car several times. 8. He has cheated on every one of his tests. 9. We have tried to help 
them. 10. It has taken a long time.
45-2 
1. has broken 2. have used 3. have seen 4. has made 5. has bitten 6. have offered 7. have flown
8. have suffered 9. have torn 10. has forgiven 11. have known 12. has accused 13. has started
14. have discussed 15. have warned 16. has helped 17. have chosen 18. has sung 19. have 
thanked 20. has climbed
46 
The Present Perfect Tense: Negative Form
46-1 
1. My teacher has not written two books. My teacher hasn’t written two books. 2. I have not accepted the 
offer. I haven’t accepted the offer. 3. They have not invented many fun games. They haven’t invented many 
fun games. 4. The light has not attracted all the bugs. The light hasn’t attracted all the bugs. 5. Joe and 
Lynn have not become rich and famous. Joe and Lynn haven’t become rich and famous. 6. We have not 
found that he works very hard. We haven’t found that he works very hard. 7. Cassandra has not waited a 
long time for the news. Cassandra hasn’t waited a long time for the news.
46-2 
1. haven’t kept 2. hasn’t noticed 3. haven’t gone 4. hasn’t convinced 5. hasn’t built 6. haven’t 
done 7. hasn’t expressed 8. haven’t wasted 9. haven’t given 10. haven’t solved 11. hasn’t had
12. haven’t asked 13. hasn’t beaten 14. haven’t escaped 15. hasn’t fallen 16. hasn’t forgotten
PMP Basic English_Lachance.indd 352
1/15/19 11:10 AM

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