1) + I went to the museum yesterday
- I didn't go to the museum yesterday
? Did I go to the museum yesterday ?
2) + I graduated elementary school 2 years ago
- I didn't graduate elementary school 2 years ago
? Did I graduate elementary school 2 years ago ?
3) + He told us an interesting story an hour ago
- He didn't tell us an interesting story an hour ago
? Did he tell us an interesting story an hour ago?
4) + Our teacher gave us a lot of homework a week ago
- Our teacher didn't give us a lot of homework a week ago
? Did our teacher give us a lot of homework a week ago?
5) + She thought the test would be difficult
- She didn't think the test would be difficult
? Did she think the test would be difficult ?