1,No, it isn't 

2,Yes, they are

3,No, they aren't 

4,Yes, it is

5,No, he isn't 

Bài 2

1,Her name is Linh 

(-) Her name isn't Linh 

(?)Is her name Linh? 

2,Those are his pens

(-)Those aren't his pens

(?)Are those his pens? 

3,They are nurses 

(-)They aren't nurses 

(?)Are they nurses? 

4,My father is a doctor 

(-)My father isn't a doctor

(?)Is my father a doctor? 

5,I am an engineer

(-)I am not an engineer 

(?)Are you an engineer? 

#học_giỏi 

IV:

1,No , it isn't

2.Yes, they are 

3,No ,they aren't 

4,Yes,it is

5,No , he isn't 

V

1. Her name is Linh
 (-) Her name isn't Linh
(?) Is her name Linh?

2,Those are his pens
(-) Those aren't his pens
(?) Are thoes his pens?
3, They 're nurses
(-) They aren't nurses
 (?)Are they nurses?
4, My father is a doctor
(-)My father isn't  a doctor
(?) Is he  a doctor?

5. I am  an engineer
 (-) I am not  an engineer 
(?)  Are you an engineer?