1. My sister showed me how to make a birthday cake yesterday.
2. Would you mind sitting in front seat of the taxi?
3. You should cool the burns immediately in order to minimize tissue damage.
4. I promise to do homework after school.
5. A new bike was bought by my father last week.
6. Thu is always goes home late.
7. They has worked in this company for ten months.
8. I was waiting for my friends at 6:30 yesterday.