英语祈使句的例子10个？

1.Don't arrive lat for class.You must be on time.
2.Don't run in the hallways.
3.Don't eat in the classroom_
You must eat in the dining hall.
4.Don't listen to music in class.
5.Don't fight.
6.Don't fight with someone.
7.Please do not trample flowers.
8.Save water.
9.Don't litter.
10.Save electricity.