11. Write the verbs in the correct tense.

1. If you cut down on sweets, you'll lose weight.
2. If you pour water on a fire, the fire goes out.
3. If you add sugar to your coffee, you make it sweet.
4. If Clare is late, we will not wait for her.
5. If she doesn't do her homework, the teacher will be angry.
6. If he touches the oven, he burns himself.
7. If you heat metal, it becomes liquid.
8. If I have some free time, I'll drop by.
9. If he gets the job, he will be very happy.
10. If I see Paul, I'll give him the book.