1. After John had arrived to Canada, he phoned his parents.
2. After Mr.Brown had worked hard, he retired.
3. By the time Linda decided to hand in her essay, she had checked all spelling mistakes.
4. While I was studying, my phone rang.
5. The teacher expected students to learn hard to be a good student.
6. John was seriously ill, so he didn't attend the class.
7. My mother never lets me go out alone last night.
8. Jane is not used to driving on the left.