12.1 Complete these sentences with the verb in the negative.

1. I saw Barbara, but I **didn't see** Jane.
2. They worked on Monday, but they **didn't work** on Tuesday.
3. We went to the post office, but we **didn't go** to the bank.
4. She had a pen, but she **didn't have** any paper.
5. Jack did French at school, but he **didn't do** German.