1. Mark and Pete aren't eating. They are drinking tea.
2. My sister doesn't have a new car.
3. We sometimes cook at my mom's house.
4. Do you usually sing in your car?
5. What shoes do you want?
6. I'm busy right now. I'm washing dishes.
7. He needs money for the books.
8. Who is swimming in the pool right now?
9. Are you going to school tomorrow?
10. Mrs. write doesn't like carrots.