1. The teacher .................... (get) angry if we do not do our homework.

2. If you .................... (freeze) water, it turns to ice.

3. They .................... (work) hard if the boss is in the office.

4. They .................... (go) to bed late if they have guests.

5. She .................... (leave) a big tip when the food is good.

6. If you press this button, the light .................... (turn) on.

7. If the children tease the cat, it .................... (scratch) them.

8. The boys play chess if they .................... (be) bored.

9. She .................... (go) jogging if the weather is fine.

10. Monica .................... (bake) a cake if John and Mary visit her.