1. Vs tobe: Are you his sister?

2. Vs từ để hỏi: 

- Do you hungry?

- Does she go to school by bus?

3. Thì hiện tại đơn (TOBE):

- He is my father

4. Thì hiện tại đơn (động từ thường):

- She drinks milk every evening

- I go to school by bike everyday

5. 

- New York is the busiest city in the world

- She is the most beautiful girl 

6. 

- I'm taller than you

- She's shorter than him

1. Are you mad?

2. Can you let us play tonight?

    Do you have free time?

3. You are not my teacher.

4. I want to be free.

    Don't give us the homework.

5. My teacher is the worst person.

    I am the prettiest girl.

6. You don't teach better than other tutors.