2>

1. is walking 

2. are doing

3. is playing

4. is making

5. are claping

6. are taking

7. is talking

8. is eating

9. am writing 

10. is cooking

3> 

1. are't playing

2. isn't reading

3. am not doing

4. are not eating

5. Are you not wanting a pizza ?

6. are not watching 

7. am not making

8. is not sleeping

9. is not cooking

10. is not listening

4>

1. Is he writing a letter to his girlfiend ?

R yes,  he is / No he isn't

2. Is Catherine dancing in the party ?

R yes she is / no she isn't

3. Is Tom riding his bike now ?

R yes he is/ No he isn't

4. Are thóe people drink tea ?

R  yes they are / no they aren't

5. Are Carla and Valentina going to the disca tonight ?

R yes they are / no they aren't

*Công thức : THÌ HIỆN TẠI TIẾP DIỄN

+ S + am/ is/ are+ Ving

- S + am/are/is + not + Ving

? Q: Am/ Is/ Are + S + Ving?

 A: Yes, S + am/is/are.

      No, S + am/is/are + not.

~ GOOD LUCK ~

2.

1. is walking

2. are doing

3. is playing

4. is making

5. are clapping

6. are taking

7. is talking

8. is eating

9. am writing

10. is cooking

3.

1. aren't playing

2. isn't reading

3. am not doing

4. aren't eating

5. Do you want a pizza?

6. aren't watching

7. am not making 

8. isn't sleepng

9. isn't cooking

10. isn't listening

4.

1. Is...writing... Yes, he is/No, he isn't.

2. Is...dancing... yes, she is/No, she isn't.

3. Is... riding... Yes, he is/No, he isn't.

4. Are...drinking... Yes, they are/No, they aren't.

5.Are...going... Yes, they are/No, they aren't.

 Công thức đây nha bạn:

S + am/ is/ are+ Ving

-         I + am + Ving

-         He/ She/ It/ Danh từ số ít/ Danh từ không đếm được + is + Ving

-         You/ We/ They/ Danh từ số nhiều + are + Ving