in front the building和in front of the building on the front at the front的区别in front the building和in front of the building 的区别on the front和at the front的区别

in front the building和in front of the building on the front at the front的区别in front the building和in front of the building 的区别on the front和at the front的区别
in front the building和in front of the building on the front at the front的区别
in front the building和in front of the building 的区别
on the front和at the front的区别

in front the building和in front of the building on the front at the front的区别in front the building和in front of the building 的区别on the front和at the front的区别
in front of the building在建筑物前面（指的是人在建筑物之外）
in the front of the building指的是在建筑物里的前面（人在建筑物里）
on the front
I met them on the front porch.（在走廊里）
我在前面走廊上碰到他们.
The newspaper screamed the news on the front page.（在报纸里）
那家报纸在头版醒目地登出了这条新闻.
at the front（指的是在事物前面,建筑物之外）
Who's that boy at the front of the queue?
排在队伍前面的那个男孩子是谁?
Small porch or set of steps at the front entrance of a house.
一所房子的门口前的小门廊或是几级台阶.
希望能帮助到您

黑板在教室前面用the
树在教室前面不用the
在里面与外面的区别