Rewrite the sentences using the negative form of be перепишите предложения, используя отрицательную форму быть i`m from great britain he`s a film star you`re thirteen years old my dog is grey the posters are cheap i`m in the new club anna is at school now

I'm not from Great Britain.
He isn't a film star.
You aren't thirteen years old.
My dog isn't grey.
The posters aren't cheap.
I'm not in the new club.
Anna isn't at school now.