in,by与over的区别

in,by与over的区别
时间钱常有介词in,by,over.一般over与其他两个的区别是什么

IN介词 prep.在…里；在…中
word that shows where or what place
· There is no cloud in the sky.
晴空万里无云.
· Glasgow is in Scotland.
格拉斯哥在苏格兰.
副词 adv.向内；进入
word that shows where someone or something is going
· He just looked in for a moment.
他只是（在门外）往里头看了看.
· Come in.
进来.
· Step in,please.
请进来.
副词 adv.在内；在家；在办公室
word that shows where someone or something is
· Is your brother in or has he gone to the match?
你弟弟是在家还是看球赛去了?
· "Is Mr.Smith in?" "No,he's gone out for lunch!"
“史密斯先生在家吗?”“不在,他出去吃午饭去了.”
AT介词 prep.（表示地点）在…
word that shows where
· I met my uncle at the bus stop.
我在公共汽车站碰到了我叔叔.
· I live at High Street.
我住在海街.
· I met a friend at the theatre.
我在剧院遇见了一个朋友.
· My mother is a teacher at the village school.
我母亲是乡村学校的老师.
· Isabel is at home.
依莎贝尔在家里.
· He is at the door.
他在门口.
· He is waiting at the gate.
他正在大门口等着.
· He stood at the corner of the street.
他站在街道的拐角处.
· He stands at the end of the street.
他站在大街的那头.
· The little girl skipped along at her mother's side.
小女孩跟在她母亲身旁一蹦一跳地走着
ON介词 prep.（表示地点）在…上
word that shows where
· The books are on the table.
书在桌子上.
· I think the picture would look better on the opposite wall.
我想这张画挂在对面墙上的话看起来会好些
介词 prep.在…之旁；接近
along or by,near or close to
· Paris is on the Seine.
巴黎位于塞因河边.
· He lives in a house on the main road.
他住在大路边的一栋房子里.
词 adv.在上
word that shows where
· But the Emperor has nothing on!
可是皇帝什么也没穿呀!
· There was so much wind that I had to hold my hat on.
风太大了,我只好把帽子按在头顶上.
· Put your hat on.
戴上帽子
BY 介词 prep.在…旁；靠近
near to;beside
· Our teacher was sitting by the window.
我们的老师正坐在窗户旁边.
· Stand by me!
站到我的身旁来!
· We spent our holiday by the sea.
我们在海边度假.
副词 adv.在旁边
near
· He gave me a story book when nobody was by.
当附近无人的时候他把小说给了我.
看完这些你一定会知道它们的区别.