Expand these signs into full sentences. 1 You must not talk in the library. 2 You cannot bring mobiles to class. 3 You can buy tickets for the school play now.

1 You must not talk in the library.
2 You cannot bring mobiles to class.
3 You can buy tickets for the school play now.
4 You must not run in the hallway.
5 You should report bullying.
6 You cannot enter as there is an exam in progress.