Ответ:

1. If you **were** a professional basketball player, who **would you play** for?

2. If he **doesn't study** now, he won't have time later.

3. If Susan had taken the map, she **wouldn't have gotten** lost.

4. Where would you go on holiday if you **could** choose?

5. The teacher **will be** angry if you don't do your homework.

6. What **would you give** me if it were my birthday tomorrow?

7. If we recycle more, there **won't be** so much rubbish.

8. If they had something to eat, they **wouldn't be** hungry.

9. If we **had heard** the weather forecast, we wouldn't have gone to the beach.

10. What **would you buy** if you had a credit card?

11. If they **don't hurry** up, they will miss the film.

12. If the bus **doesn't arrive** soon, we'll be late.

13. If they had phoned me yesterday, I **would have given** them the news.

14. If I **were** you, I wouldn't eat so many sweets.

15. We'll go for a walk unless it **rains**.

16. If the North Pole **melts**, the water **will flow** into many cities.

17. If we **had known** it was Paul's birthday, we would have sent him a card.

18. If you play the music too loud, you **will wake up** the neighbours.

19. My father doesn't feel happy unless he **swims** every day.

20. If the river had frozen, my friends and I **would have gone** skating.

21. If people used bikes instead of cars, there **wouldn't be** so much pollution.

22. If our team had scored another goal, we **would have won** the championship.

23. If the waiter **doesn't serve** us soon, we'll have to leave.

24. We'll have dinner outside in the garden, unless it **rains**.