ДОБРЫЙ ВЕЧЕР,ПОМОГИТЕ ПОЖАЛУЙСТА С АНГЛИЙСКОМ ЯЗЫКОМ.

1. I used to go to a public school.
2. Did the teacher have strict punishment to children?
3. I used to be a bad student before.
4. I came into the room when the man was shouting.
5. While I was writing the last answer the teacher told me to stop.
6. I didn't fail at my exams.
7. Kate is friendly.