Conditional sentences

1. What time will you come? - I'll come _________ I finish my project.

2. I will not be able to do it _________ you help me.

3. _________ it gets dark we are going to observe the stars.

4. _________ you turn off the stereo I'll go mad.

5. _________ the weather is nice at the weekend we'll go to the seaside.

6. I'll tell you _________ I come back from work.

7. How much will it cost _________ we pay in advance?

8. You can't go to the States _________ he asked for a visa.

9. I'll call her _________ I finish dinner.

10. Will your mind _________ we come together?

11. Don't criticize him _________ you have a good reason.

12. It'll be too late _________ the school starts.

13. She'll be pleased _________ you go with her.

14. We won't buy it _________ we try it.

15. I'll get up _________ the sun rises.

If I      to London , I  the Tower of London.

If it                     , I                to the park.

If I          enough money, I  some new shoes.

She           the bus if she            soon.

If I              today, I             to the party tonight.

If people___plastic litter, the seas and rivers ___ cleaner.

If we ___ the rubbish, we___ less environmental problems.

If the newspaper ___ about the campaign, more people ___ it.

If you    that glass, it      

Your boss               angry if you               the job.

If she    to university, her parents___ happy.

If you  him the truth, he      angry.

You 1) __ an accident if you 2) __ so fast.

I 1) __ him the news if I 2) __ him next week.

If we 1) __ the lights, we 2) __ electricity.

Peter 1) __ his exams if he 2) __ hard.

If we 1) __ to cut down trees, we 2) __ ecosystems.

We 1) __ air pollution if we 2) __ electric cars.

We 1) __ clean and fresh air if we 2) __ cutting down trees.

If we 1) __ filters in factories, we 2) __ the air.

I...... (call) you when I get home.