Exercise 5. use the future perfect, the future simple or the present simple tense instead of the infinitives in brackets.
1. i … (hope) when i … (come) back, you … (finish) your homework.
2. you … (be) late. by the time you … (get) there they … (eat) everything up.
3. too many people (fall) ill every day. i’m afraid by the end of the month the epidemic (spread) here.
4. these batteries (run) out in two days. don’t forget to charge them.
5. your watch (be) slow. we (be) late! the party (begin) by the time we (come).
6. the house is very old. they (demolish) it by the time you (come) to our city again, i think.
7. tornadoes (speed) through the island every year. by the end of the season (damage) many buildings and (injure) and (kill) many people.
8. by that time you (go) crazy or (forget) it all.
1. I hope when I come back, you will have finished your homework.
2. You are late. By the time you get there they will have eaten everything up.
3. Too many people fall ill every day. I’m afraid by the end of the month the epidemic will have spread here.
4. These batteries will run out in two days. Don’t forget to charge them.
5. Your watch is slow. We are late! The party will have begun by the time we come.
6. The house is very old. They will have demolished it by the time you come to our city again, I think.
7. Tornadoes speed through the island every year. By the end of the season they will have damaged many buildings and will have injured and killed many people.
8. By that time you will have gone crazy or forgotten it all.