Ex3.

1. What are they doing now?

-> They're working.

2. Where is he going?

-> He is going to his grandfather's house.

3. How is Phuong travelling to Nha Trang?

-> She is travelling by car.

4. What is she reading?

-> She is reading a newspaper.

5. What is your mother doing now?

-> She is cooking dinner.

Ex6.

1. is driving (keyword: at the moment)

2. is eating (keyword: now)

3. goes (keyword: everyday), is going (keyword: now)

I.

1. What are they doing now ?

- They are working

2. Where is he going ?

- He is going to his grandfather's house

3. How is Phuong travelling to Nha Trang?

- She is travelling by car

4. What is she reading?

- She is reading a newspaper

5. What is your mother doing now?

- She is cooking dinner

→ Cấu trúc chung : 

- Thì HTTD dạng nghi vấn : Wh-question + am/is/are + S + Ving ?

- Dấu hiệu : now , at the moment , at present , .......

II.

1. is driving 

- Thì HTTD : S + am/is/are + Ving

- Dấu hiệu : at the moment

2. is eating

- Thì HTTD : S + am/is/are + Ving

- Dấu hiệu : now

3. goes / is going 

- Thì HTĐ : S + Ves/s

- Dấu hiệu : everyday

- Thì HTTD : S + am/is/are + Ving

- Dấu hiệu : now

→ He,she,it + is

→ you.we,they + are

→ I + am