Change into negative: She is my friend.
She isn't my friend.
Change into negative: They are happy today.
They aren't happy today.
Change into negative: He is a teacher.
He isn't a teacher.
Change into negative: We are in the park.
We aren't in the park.
Change into negative: The dog is very cute.
The dog isn't very cute.
not / is / he / at school.
He isn't at school.
tired / are / they / not.
They aren't tired.
cold / is / not / it.
It isn't cold.
not / is / the / book / interesting.
The book isn't interesting.
Fix the mistake: She are my sister.
She is my sister.
Fix the mistake: They isn't in the garden.
They aren't in the garden.
Fix the mistake: The dogs isn't very friendly.
The dogs aren't very friendly.
She ___ happy today.
aren't
isn't
I ___ a student.
aren't
am not
isn't
They ___ at home.
aren't
isn't
Change into negative: It is cold.
It isn't cold.
