Ответ:

1. Mirlan, will you do the washing-up if I cook dinner?

2. My parents will be worried if I get home late.

3. What will she say if her boyfriend asks her to marry him?

4. I won't buy the camera if it's too expensive.

5. If we don't take our coats, we'll be cold.

6. He will go to university if he does well in his exams.

7. You will be late for school if you don't leave home now.

8. If they play computer games all night, they will be tired tomorrow.

Ответ:

1. Mirlan, will you do the washing-up if I cook dinner? (remove "do" after "will")
2. My parents will be worried if I get home late. (remove "will" after "if")
3. What will she say if her boyfriend asks her to marry him? (change "will ask" to "asks")
4. I won't buy the camera if it's too expensive. (change "don't" to "won't")
5. If we don't take our coats, we'll be cold. (change "won't" to "don't")
6. He will go to university if he does well in his exams. (add "will" before "go")
7. You'll be late for school if you don't leave home now. (change "won't" to "don't")
8. If they play computer games all night, they will be tired tomorrow. (change "are" to "will be")