She IS / ISN'T tired.
She ISN'T tired.
She IS / ISN'T sleepy.
She IS sleepy.
He IS / ISN'T thirsty.
He ISN'T thirsty.
He IS / ISN'T happy.
He IS happy.
They ARE / AREN'T hot
They ARE hot.
He IS / ISN'T thirsty.
He ISN'T thirsty.
He IS / ISN'T cold.
He IS cold.
He IS / ISN'T sad.
He IS sad.
They ARE / AREN'T sad.
They AREN'T sad.