1. He is reading a book about American history at the moment. (có "at the moment" nên phải chia theo thì HTTD)

2. Why do you laugh? What’s so funny? (chia theo thì HTĐ)

3. I can’t help you now. I am working. (có "now" nên chia theo thì HTTD)

4. Oh no! It is raining again. (có "Oh no!" nên phải chia theo thì HTTD)

5. Do you watch the TV or can I turn it off? (chia theo thì HTĐ)

6. Bill is learning to drive at the moment. His father is teaching him. (có "at the moment" nên phải chia theo thì HTTD)

7. Listen! The neighbors are having an argument again. (có "Listen!" nên phải chia theo thì HTTD)

8. Sally wears her new T-shirt today. (có "today: nên phải chia theo thì HTĐ)

9. Robert! What are you doing here? (có "Robert!" nên phải chia theo thì HTTD)

10. I am not sleeping very well at the moment. (có "at the moment" nên phải chia theo thì HTTD)

• He is reading a book about American history at the moment.
• Why are you laughing? What’s so funny?
• I can’t help you now. I am working.
• Oh no! It is raining again.
• Are you watching the TV or can I turn it off?
• Bill is learning to drive at the moment. His father is teaching him.
• Listen! The neighbors are having an argument again.
• Sally is wearing her new T-shirt today.
• Robert! What are you doing here?
• I am not sleeping very well at the moment.