$\text {Exercise 3:}$

1. are helping

2. is staying

3. am traveling 

4. are studying

5. are playing

6. is watching

7. are talking

8. is shining

9. are using

10. Is Jane watching

$\text {Exercise 4:}$

1. am not playing

2. are studying

3. don't do

4. am having

5. are riding

6. drives

7. Is/ learning

8. are studying

9. spending (cái này không phải tiếp diễn hay hiện tại đơn mà là sau like thêm -ing nhé bạn).

10. go/read 

$\text {Exercise 5:}$

1. is swimming

2. enjoys

3. is knocking (someone số ít chia is)

4. are studying

5. is doing

6. aren't watching

7. reads

8. plays

9. Do/like

10. is playing

$\text {Exercise 6:}$

1. doesn't have

2. comes/is staying

3. don't drive/go

4. talking

5. Where does your new friend live, Nga?/ lives

6. Are you in class 7A/ am

7. is playing

8. don't talk

9. does/go - goes

10. Are your friends students?/ are

$\text {Exercise 7:}$

1. are (lưu ý brothers có "s") - are studying

2. plays

B3;

4,are studying

5,are playing

6,is watching

7,are talking

8,is shining

9,use

10,is jane watching

B4,

2, are studying

3,doesn't do

4,am having

5,are riding

6,drives

7,is she learning

8,are studying

9,spending

10,go-read

B5;

1,is swimming

2,enjoys

3,is knocking

4,are studying

5,is doing

6,doesn't watch

7,reads

8,are playing

9,do you like

10,is playing

B6;

1,doesn't have

2,comes-is staying

3,don't drive - go

4,are you talking

5,does your new friend live - lives

6,are you -am

7,is playing

8,amnot talking

9,does she go - goes

10,are your friends-are

B7;

1, is -are studying

2,plays

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