Ответ:

3 If you go to the party, I'll come with you.

4 She won't be very happy, if she doesn't get that new job.

5 If you come  with us, you'll have a great time.

6 I won't wait for you, if you are late.

7 That glass will break if you drop it.

8 We'll help you if we have the time.

9 I'll tell Clare the news if I see her.

10 We'll sleep in the tent if it doesn't rain.

Объяснение:

3. go/will come

4. won't be/doesn't get

5. come/will come

6. won't wait/are

7. will break/drop

8. will help/have

9. will tell/see

10. will sleep/doesn't rain