They are tall.
They're tall.
It is cold.
It's cold.
They're thin.
They are thin.
They are not big.
They aren't big.
I'm tired.
I am tired.
He is not happy.
He isn't happy.
We are not ugly.
We aren't ugly.
I am sleepy.
I'm sleepy.
It's fat.
It is fat.
They aren't small.
They are not small.
She isn't happy.
She is not happy.
You are beautiful.
You're beautiful.
I'm not hot.
I am not hot.
I am not sad.
I'm not sad.