Answer :
For the first task, here are two more examples for each situation:
At home:
- You shouldn't leave your room messy.
- You shouldn't watch TV during dinner.
At school:
- I think, you shouldn't talk during a test.
- You should not run in the hallway.
For the second task, negative examples using 'should not' can provide clarity on actions that are discouraged. Here are potential examples:
- In my opinion, you should not skip breakfast before school.
- I think, you should not procrastinate on your assignments.
- You shouldn't talk back when someone is speaking.
- Mark shouldn't play video games before finishing his homework.
- Pamela should not avoid participating in group discussions.
- I shouldn't ignore my responsibilities at home.