3)
1. Sam stopped playing rugby last year.
2. We studied hard for the English test.
3. They chatted on the phone for hours.
4. She arrived two hours late.
5. My parents travelled to the concert by train.
6. I lived in Mexico for two years.
5)
1. forgot
2. got
3. knew
4. met
5. said
6. found
7. bought
8. thought
9. saw
10. left
