This isn't brown.
This is brown.
He has long, black hair.
He has short, blonde hair.
She has short, blond hair.
She has long, brown hair.
My favorite toy is a cat.
My favorite toy is a teddy bear./My favorite toy is a bear.
She isn't short.
She is short.
She is a boy.
He is a boy.
She are tall.
She is tall.
This are hair
This is hair.
These aren't colors
These are colors.
She has curly, black hair.
She has straight, black hair.
I is a girl.
I am a girl.
He has straight hair.
He has curly hair.