1, There are twelve months in a year.

- Cấu trúc: S + have/has + N + O = There are/is + N + O: 

2, He takes care of sick people.

- Look after = Take care of: chăm sóc

3, Are you interested in listening to music?

- Be intested in + N/Ving = Enjoy + N/Ving: hứng thú với việc (làm) gì

4, What does your mother do?

- Cấu trúc: What + be + sb's + job? = What + do (chia) + S + do?: ai làm nghề gì?

1. There are twelve months in a year

⇒ Cấu trúc: There + are + + danh từ số nhiều + Trạng ngữ (nếu có)

2. He takes care of the sick people

⇒ Take care of = look after: chăm sóc

3. Are you interested in listening to music?

⇒ Be + Interested in + V-ing

4. What does your mother do?

⇒ Cấu trúc: What + trợ động từ + S + do?