1. My sister got married last month.
-> Dấu hiệu nhận biết: "last month"
2. Daisy came to her grandparents’ house 3 days ago.
-> Dấu hiệu nhận biết: "3 days ago"
3. My computer was broken yesterday.
-> Dấu hiệu nhận biết: "yesterday"
4. He bought me a big teddy bear on my birthday last week.
-> Dấu hiệu nhận biết: "last week"
5. My friend gave me a bar of chocolate when I was at school yesterday.
-> Dấu hiệu nhận biết: "yesterday"
6. My children didn't do their homework last night.
-> Dấu hiệu nhận biết: "last night"
7. Did you live here five years ago?
-> Dấu hiệu nhận biết: "five years ago"
8. They watched TV late at night yesterday.
-> Dấu hiệu nhận biết: "yesterday"
9. Was your friend at your house last weekend?
-> Dấu hiệu nhận biết: "last weekend"
10. They weren't excited about the film last night.
-> Dấu hiệu nhận biết: "last night"