1. Last summer we did not go to the Crimea. Did we go to the Crimea last summer?
2. My aunt did not do her shopping on Friday. Did my aunt do her shopping on Friday?
3. I wasn't pleased to hear that. Was I pleased to hear that?
4. I didn't see Mary last month. Did I saw Maru last month?
5. Yesterday he did not go(come) home at 1 o'clock. When did he go home yesterday?
6. It wasn't cold yesterday. Was it cold yesterday?