I/1. Sue wishes she didn't buy that new book.
2. You won't be late unless you walk faster.
3. Carlos spent two hours fixing the television set.
4. I made these handicrafts myself.
5. If I were you, I would take the bus instead of the train.
II/1. She doesn't have to get up early on Saturday.
2. Children must not be left alone in the car.
3. John must explain this if he wants his student to succeed.
4. I have to file my report in a week.
5. We don't have to work overtime on Saturdays.
6. You must not drive more than 25mph in this zone.
7. She didn't have to attend the presentation yesterday.
8. She has to pick up her children from school.
9. You don't have to arrive before 8.
10. They had to visit the doctor yesterday, as they didn't feel well.
