1. S: She is a nurse.

2. S: I often get up late on Sunday.

3. C: He is John, and he is from England.

4. CC: When my mother came home, I was doing my homework.

5. S: They sometimes play volleyball at the beach.

6. S : Her teacher is Sơn, nice and friendly.

7. C: Mai likes drawing, but Nam likes watching films.

8. S: Ken came into the room and opened the window.

9. S: My brother and I enjoy reading novels.

10. CC: Even though he is busy, he always takes time to play with his daughter.

- Simple ~ câu đơn trong câu chỉ có (chủ ngữ S - động từ V)

- Compound ~ từ ghép có trong câu được nối bằng 1 liên từ (and,but,so,yet,for...) các cụm FANBOYS

- Complex sentences (câu phức) - dựa vào liên từ của lý do, nhượng bộ, tương phản (although, because, when, while, despite, in spite, even though, though,...)