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?
