1) It`s a beautiful picture.
It isn`t a beautiful picture.
2) We`re happy to have it.
We aren`t happy to have it.
3) He`s a new car.
He hasn`t a new car.
4) I`m good at drawing.
I am not good at drawing.
5) She`s a singer. Her song`s very beautiful.
She isn`t a singer. Her song isn`t very beautiful.
6) It`s cold today.
It isn`t cold today.
7) She`s got three bags.
She hasn`t got three bags.
8) They`ve a big family.
They haven`t a big family.