3. change the sentences into negative sentences. 2. you're ill. 3. we're right. 4. he's fifteen/ 5. it's cold. 6. the school is in this street/ 7. my books are in your bag.

2. You aren't ill.
3. We aren't right.
4. He isn't fifteen.
5. It isn't cold.
6. The school isn't in this street.
7. My books aren't in your bag.