He isn't helpful.
He is helpful.
It's a chair.
It isn't a chair. It's a desk.
She is funny.
She isn't funny. She is kind.
They are lazy.
They aren't lazy. They are sporty.
It isn't a sticky tape.
It is a sticky tape.
They are gel pens.
They aren't gel pens. They are crayons.
It isn't a gel pen.
It is a gel pen.
It isn't a school bag.
It's a school bag.
It is a crayon.
It isn't a crayon. It's a ruler.
He is funny.
He isn't funny. He is shy.
It isn't a notice board.
It is a notice board.
They aren't friendly.
They are friendly.
They aren't felt-tip pens.
They are felt-tip pens.
They are rulers.
They aren't rulers. They are sharpeners.
He is noisy.
He isn't noisy. He is clever.
It's a desk.
It isn't a desk. It's a chair.
She isn't quiet.
She is quiet
They are books.
They aren't books. Tey are notebooks.
It's a sticky tape.
It isn't a sticky tape. It's a glue stick.
It's a pencil
It isn't a pencil. It's a pencil case.