1、Where加be动词或助动词或情态动词加主语。
例句:
Where are you?你在哪?
2、Where加be动词或助动词或情态动词加主语加谓语加宾语。
Where do you come from? 你是什么地方的人?
Where did you go last night?你昨晚去哪了?
Where can I buy some apples?我在哪能买一些苹果?