2. They didn't visit their friends on Monday.
They visited their cousins on Monday.
3. Joe didn't buy a DVD yesterday.
Joe bought a CD yesterday.
4. We didn't paint the kitchen last month.
We painted the bathroom last month.
5. Anna didn't move to Australia ten years ago.
Anna moved to Canada ten years ago.
6. They didn't come home late last night.
They came early last night.
