Зачем нужна Causative Form- Каузативная форма? И как, из неё строить предложения?​

1. Math class is in Room 16.

2. My favourite day of the week is Saturday.

3. How old is Tom? - He's ten years old.

4. I'm twelve (years old). And how old are you?

5. His name is Sasha. He is in the fifth grade.

6. John and Bill are friends. They are newcomers in Grade 4A. (They have just arrived in Grade 4A.)

7. Is this a pencil? - No, it's a pen.

8. My favourite teacher is Anna Ivanovna. She teaches Russian.

9. What's his name? What grade is he in? How old is he?

10. What subjects does he study? What is his favourite subject? Who is his favourite teacher?

11. Where is the English class?