1. I did my homework yesterday.

Did I do my homework yesterday?

I didn't do my homework yesterday.

2. My mother travelled last year.

Did my mother travelled last year?

My mother didn't travelled last year.

3. Pete met with his friends last week.

Did Pete meet with his friends last week?

Pete didn't meet his friends last week.

4. I bought this dress last month.

Did I buy this dress last month?

I didn't buy this dress last month.

5. Ann helped her granny yesterday.

Did Ann help her granny yesterday?

Ann didn't help her granny yesterday.

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 ?