пожалуйста я не смогу 30 баллов

Pupils have to be at school before 8.50
Pupils have to bу tidy.
Pupils have to get permission to go home at lunch-time.
Parents have to tell the form teacher if their child can't come to school.
A form teacher has to care about pupils' safety.
A form teacher has to check homework diaries every week.
Teachers have to teach pupils safety rules.