Make sentences, using zero conditional.1. If you do it at home, you get punished.
When pupils do this out of school, they get punished.
(out of school or not at school or not in school/class? How would you say that?)2. Even if nobody see you doing this, they know.3. You can't do it outside unless you are old enough.4. If it's your first time when you've broken the rule, you might just get a warning.5. When they catch you, they expel you from school and then you go to court.6. You don't go to jail unless you do something really bad.7. What do you do if you must do it?8. You can do this if your life is in danger.9. If our headmaster do it, he do it superbly.10 We also used it for fun when we were at school.Can you tell what is so prohibited?

Please correct my mistakes and if something sound unnatural or strange let me know.Thanks a lot!