Chắc chắn rồi! Dưới đây là các câu đã được chuyển sang thể phủ định và nghi vấn:

1. I like tea.
- Phủ định: I do not like tea.
- Nghi vấn: Do I like tea?

2. He plays football in the afternoon.
- Phủ định: He does not play football in the afternoon.
- Nghi vấn: Does he play football in the afternoon?

3. You go to bed at midnight.
- Phủ định: You do not go to bed at midnight.
- Nghi vấn: Do you go to bed at midnight?

4. They do the homework on weekends.
- Phủ định: They do not do the homework on weekends.
- Nghi vấn: Do they do the homework on weekends?

5. The bus arrives at 8.30 a.m.
- Phủ định: The bus does not arrive at 8.30 a.m.
- Nghi vấn: Does the bus arrive at 8.30 a.m?

6. My brother finishes working at 8 p.m.
- Phủ định: My brother does not finish working at 8 p.m.
- Nghi vấn: Does my brother finish working at 8 p.m?

7. Our friends live in a big house.
- Phủ định: Our friends do not live in a big house.
- Nghi vấn: Do our friends live in a big house?

Hy vọng điều này giúp ích cho bạn!