1. They don't want to buy a new car now because they haven't had enough money yet.

2. Have you ever spoken to a foreigner before?

3. I didn't know when the train left.

4. Rose often walks to school but today she is riding a new bike at present.

5. How much time do you often spend on self-studying?

6. Who is Jane talking to over there?

7. I haven't found my car key yet. I will call my husband to ask him about it.

8. No one has heard the news about the accident this morning.

9. Everyone is slepping now but I am awake.

10. How long does it usually take you to finish your breakfast?