Practice Makes Perfect

 354
Answer Key
51 
The Future Perfect Tense
51-1 
1. She will have finished all the housework by lunch time. 2. I will have taken my shower by the time you 
arrive. 3. The flowers in my garden will have died by the end of October. 4. Mrs. Stacey will have taught 
for 30 years when she finally retires. 5. They will have eaten supper by the time we arrive. 6. The plane 
will have left by the time we arrive at the airport. 7. The girls will have completed their project by Saturday.
8. Chris will have found a new job by the end of the summer. 9. I will have started school by September.
10. Benjamin will have read the complete series by the time he finishes this book. 11. We will have spent 
all our money by the time we finish our vacation.
51-2 
1. She’ll have lost 2. He’ll have had 3. We’ll have received 4. Jesse will have left 5. They’ll have 
elected 6. The birds will have flown 7. I’ll have spoken 8. My mother-in-law will have been 9. You’ll 
have learned 10. She’ll have worked 11. They’ll have completed 12. The lake will have frozen
13. We’ll have driven 14. I’ll have forgotten 15. The snow will have melted 16. They’ll have seen 
52 
The Future Perfect Tense: Negative Form
52-1 
1. We will not have been here for two hours by the time the bus arrives. We won’t have been here for two 
hours by the time the bus arrives. 2. They will not have opened all the gifts by noon. They won’t have 
opened all the gifts by noon. 3. You will not have convinced the judges by the time you finish your song. 
You won’t have convinced the judges by the time you finish your song. 4. We will not have met the 
neighbors by the time we move. We won’t have met the neighbors by the time we move. 5. My parents will 
not have discussed it by the weekend. My parents won’t have discussed it by the weekend. 6. The kids will 
not have eaten by 5 o’clock. The kids won’t have eaten by 5 o’clock. 7. He will not have become famous by 
the time he is 30 years old. He won’t have become famous by the time he is 30 years old.
52-2 
1. won’t have chosen 2. won’t have spoken 3. won’t have prevented 4. won’t have talked 5. won’t 
have purchased 6. won’t have helped 7. won’t have shown 8. won’t have brought 9. won’t have 
sorted 10. won’t have swept 11. won’t have made 12. won’t have gone 13. won’t have completed
14. won’t have sliced 15. won’t have left 16. won’t have postponed