7. Unless he cleaned up the car now, his boss could ask him to do this.
\( \rightarrow \) If he cleaned up the car now, his boss might not ask him to do this.
8. If Peter didn't study hard, he could not get good marks.
\( \rightarrow \) Unless Peter studied hard, he could not get good marks.
9. If my sister didn't have a terrible headache, she wouldn't be absent from her class.
\( \rightarrow \) Unless my sister had a terrible headache, she wouldn't be absent from her class.
10. If she hadn't missed the bus, she wouldn't have been late.
\( \rightarrow \) Unless she missed the bus, she wouldn't have been late.
Exercise 8:
1. Unless he hadn't had time, he wouldn't have read this novel.
2. Unless he hadn't been angry, he would have said something.
3. If they weren't absent now, they would meet the headmaster.
4. If he cleaned up the car now, his boss might not ask him to do this.
5. If you finish your homework, you can go out.
6. If he refused everything, he would lose his family.
7. If I saved my money, someone wouldn't take it.
8. If you had stayed at home yesterday, you would have enjoyed a delicious meal.
9. If you make me some coffee, I'll give you one of my biscuits.