How to Cross the Road用祈使句列出横过马路的规则（写一小段,用英语）

How to Cross the Road用祈使句列出横过马路的规则（写一小段,用英语）
How to Cross the Road用祈使句列出横过马路的规则（写一小段,用英语）

How to Cross the Road用祈使句列出横过马路的规则（写一小段,用英语）
when the traffice light is green,you can cross the road.when it turns yellow,you should wait,and when it turns red,you can not cross the road.