помогите пожалуйста по английскому языку! СрОчНо​

1. My grandparents were doctors.

2. Mikhail wasn't at school yesterday.

3. 1st on May Roza was fourteen (насчет этого предложения я не уверена)

4. Were you late for school?

5. They weren't very good at tennis.

6. Was your sister a student at this school?