英文的in，on，at分别怎样用 英语in on at用法区别，都怎么用，什么时候用什么
\u82f1\u8bed\u4e2d\u7684in,on,at\u901a\u5e38\u600e\u4e48\u7528\uff1fon\uff0cat\uff0cin\u8fd9\u4e09\u4e2a\u5e38\u7528\u4ecb\u8bcd\u90fd\u53ef\u4ee5\u8868\u793a\u65f6\u95f4\u548c\u5730\u70b9\uff0c\u4f46\u5177\u4f53\u7528\u6cd5\u4e0d\u540c\uff0c\u591a\u6570\u5b66\u751f\u5bf9\u5b83\u4eec\u6df7\u6dc6\u4e0d\u6e05\u3002\u73b0\u5728\u53ea\u8981\u8bb0\u4f4f\u4e86\u53e3\u8bc0\uff0c\u5c31\u53ef\u907f\u514dat\uff0con\uff0cin\u7684\u79cd\u79cd\u8bef\u7528\u3002
1. on\uff0cin\uff0cat\u8868\u793a\u65f6\u95f4
on\u201c\u5728\u5177\u4f53\u67d0\u4e00\u5929\u201d\u2460
\u201c\u5f53\u67d0\u65f6\u201d\uff0c\u52a8\u540d\u8bcd\uff0c arrival\uff0cdeath\u524d\uff1bearly\uff0clate\u4f4d\u53e5\u5148\u2461\uff0c\u7528in\u4e00\u822c\u201c\u4e0a\u201d\u201c\u4e0b\u201d\u201c\u665a\u201d\uff1bon\u7528\u4e8e\u5929\uff0cin\u7528\u4e8e\u6708\u3001\u5b63\u3001\u5e74\u2462\uff1b\u9650\u5b9a\u4e09\u65f6in\u8981\u53d8\u3002\u2463at\u662f\u4e2a\u65f6\u95f4\u70b9\uff0c\u201c\u5de5\u4f5c\u201d\u201c\u65f6\u523b\u201d\u4e0e\u201c\u5723\u8bde\u201d\u2464\u3002at noon\uff08night\uff09\uff0cin the day\uff0c\u4e60\u60ef\u7528\u8bed\u8bb0\u5fc3\u95f4\u3002
\u6ce8\uff1a\u2460on\u8868\u793a\u5728\u5177\u4f53\u67d0\u4e00\u5929\u53ca\u5177\u4f53\u67d0\u4e00\u5929\u7684\u4e0a\u5348\u3001\u4e0b\u5348\u548c\u665a\u4e0a\u3002
\u4f8b On mother's Day, we should send flowers to our mother. \u6bcd\u4eb2\u8282\uff0c\u6211\u4eec\u5e94\u8be5\u9001\u82b1\u7ed9\u6211\u4eec\u7684\u6bcd\u4eb2\u3002
On my arrival home\uff0cI found he had gone already\uff0e\u5f53\u6211\u5230\u5bb6\u65f6\uff0c\u6211\u53d1\u73b0\u4ed6\u5df2\u7ecf\u8d70\u4e86\u3002
\u2461 \u5f53early\uff0clate\u7528\u4e8e\u53e5\u9996\u4fee\u9970\u4ecb\u8bcd\u77ed\u8bed\u65f6\uff0c\u5c3d\u7ba1\u8868\u793a\u5177\u4f53\u67d0\u4e00\u5929\u7684\u4e0a\u5348\u3001\u4e0b\u5348\u3001\u665a\u4e0a\uff0c\u90fd\u8981\u7528in\uff0c\u6cdb\u6307\u4e00\u822c\u7684\u4e0a\u3001\u4e0b\u5348\uff0c\u665a\u4e0a\u4e5f\u7528in \u3002
\u4f8b Early in the morning of National Day\uff0cI got up to catch the first bus to the zoo\uff0e \u56fd\u5e86\u8282\u4e00\u6e05\u65e9\uff0c\u6211\u4fbf\u8d77\u5e8a\u53bb\u8d76\u5230\u52a8\u7269\u56ed\u7684\u7b2c\u4e00\u73ed\u516c\u5171\u6c7d\u8f66\u3002
My father begins work at 8\uff1a00 in the morning and stops work at 4\uff1a00 in the afternoon\uff0e \u6211\u7236\u4eb2\u4e0a\u53488\u70b9\u4e0a\u73ed\uff0c\u4e0b\u53484\u70b9\u4e0b\u73ed\u3002
\u2462\u4e8e\u5c06\u6765\u65f6\u6001\u8868\u793a\u201c\u8fc7\u4e00\u6bb5\u65f6\u95f4\u540e\u201d \u53ca\u8868\u793a\u201c\u5728\u2026\u2026\u671f\u95f4\u201d \u548c\u201c\u5728\u67d0\u4e2a\u5b63\u8282\uff0c\u67d0\u5e74\u3001\u67d0\u6708\u201d \u90fd\u7528in\u3002
\u4f8b I hear he\u2019ll be back in a month\uff0e\u6211\u542c\u8bf4\u4ed6\u5c06\u4e8e\u4e00\u4e2a\u6708\u540e\u56de\u6765\u3002
In the course of the last lesson in French\uff0clittle Franz was listening to the master very attentively\uff0e\u5728\u90a3\u6700\u540e\u4e00\u5802\u6cd5\u8bed\u8bfe\u4e2d\uff0c\u5c0f\u5f17\u6717\u5179\u975e\u5e38\u7528\u5fc3\u5730\u542c\u7740\u8001\u5e08\u8bb2\u3002
Xiao Ming was born in December of 2004. \u5c0f\u660e\u751f\u4e8e2004\u5e7412\u6708\u3002
\u2463\u5f53 morning\uff0cafternoon\uff0cevening\u6709\u524d\u4f4d\u5b9a\u8bed\u6216\u540e\u7f6e\u5b9a\u8bed\u9650\u5b9a\u65f6\uff0c\u5c31\u4e0d\u7528in\u800c\u7528on\u3002
\u4f8b on a hot (summer) noon \u5728\u4e00\u4e2a\u708e\u70ed\uff08\u590f\u5929\uff09\u7684\u4e2d\u5348
on Monday morning \u5728\u661f\u671f\u4e00\u4e0a\u5348
on the morning of March 8th\u57283\u67088\u65e5\u4e0a\u5348
\u2464 \u8868\u793a\u67d0\u65f6\u67d0\u523b\u53ca\u5728work\uff0cChristmas\u524d\u7528at\u3002
\u4f8b We get up at eight o\u2019clock\uff0e \u6211\u4eec8\u70b9\u8d77\u5e8a\u3002
My father are busily at work all day\uff0e \u6211\u7236\u4eb2\u6574\u5929\u5fd9\u4e8e\u5de5\u4f5c\u3002
In western countries children get present from their parents at Christmas\uff0e \u5728\u897f\u65b9\u56fd\u5bb6\uff0c\u5b69\u5b50\u4eec\u5728\u5723\u8bde\u8282\u5f97\u5230\u7236\u4eb2\u7ed9\u7684\u793c\u7269\u3002
1.at
\u4ecb\u8bcdat\u8868\u65f6\u95f4\u3001\u8868\u5730\u70b9\u3002
(1)at\u8868\u793a\u65f6\u95f4\uff0c\u7528\u4e8e\u949f\u70b9\u524d\uff0c\u7528\u4e8e\u65f6\u523b\u524d\uff0c\u8bd1\u4e3a"\u5728\u2026\u2026\u65f6(\u523b)"\u3002\u5982\uff1a
at three/three o'clock\u5728\u4e09\u70b9\u3002
at a quarter to six\u516d\u70b9\u5dee\u4e00\u523b\u3002
at noon\u5728\u4e2d\u5348\uff0cat night\u5728\u591c\u665a\uff0cat midnight\u5728\u534a\u591c
at breakfast/lunch/supper\u5728\u5403\u65e9\u996d/\u5348\u996d/\u665a\u996d\u65f6
at this time of day\u5728\u6bcf\u5929\u8fd9\u4e2a\u65f6\u5019
(2)at\u8868\u793a\u5730\u70b9\uff0c\u4e00\u822c\u7528\u4e8e\u8f83\u5c0f\u7684\u5730\u540d(\u65b9)\u524d\uff0c\u8bd1\u4e3a"\u5728\u2026\u2026"\u3002\u5982\uff1a
at home\u5728\u5bb6,at the station\u5728\u8f66\u7ad9
(3)at\u8868\u793a\u5904\u4e8e\u2026\u2026\u72b6\u6001\uff0c\u8bd1\u4e3a"\u4ece\u4e8b\u4e8e\u2026\u2026"\u3002\u5982\uff1a
at school\u5728\u4e0a\u5b66\uff0cat work\u5728\u5de5\u4f5c
at\u52a0\u540d\u8bcd\u4e00\u822c\u53ef\u4e0e\u73b0\u5728\u8fdb\u884c\u65f6\u6001\u4e92\u6362\u4f7f\u7528\uff0c\u8868\u793a\u6b63\u5728\u8fdb\u884c\u7684\u52a8\u4f5c\uff0c\u8bd5\u6bd4\u8f83\uff1aThey are at work./They are working.
2.in\u53ef\u8868\u65f6\u95f4\uff0c\u8868\u5730\u70b9\uff0c\u8868\u624b\u6bb5\u3001\u65b9\u6cd5\u3001\u6750\u6599\u3002
(1)in\u8868\u793a\u65f6\u95f4\uff0c\u7528\u4e8e\u6cdb\u6307\u4e00\u5929\u7684\u4e0a\u5348\u3001\u4e0b\u5348\u3001\u665a\u4e0a\u7b49\uff1b\u7528\u4e8e\u67d0\u4e2a\u8f83\u957f\u7684\u65f6\u95f4\uff0c\u5982\u5e74\u3001\u6708\u3001\u5b63\u8282\u7b49\u3002\u5982\uff1a
in the morning/afternoon/evening\u5728\u4e0a(\u4e0b\u5348)\u6216\u665a\u4e0a\uff0cin 2003\u57282003\u5e74\uff0cin the day/daytime\u5728\u767d\u5929
in\u8fd8\u53ef\u4ee5\u8868\u793a"\u4ece\u73b0\u5728\u8d77\u4e00\u6bb5\u65f6\u95f4\u4ee5\u540e"\u3002\u5982\uff1a
They will see you in a week.\u4ed6\u4eec\u5c06\u5728\u4e00\u5468\u540e\u53bb\u770b\u4f60\u3002
\u53e6\u5916\uff0cin\u548cat\u90fd\u53ef\u4ee5\u8868\u793a\u65f6\u95f4\uff0c\u4f46in\u8868\u793a\u8f83\u957f\u7684\u65f6\u95f4\uff0c\u800cat\u8868\u793a\u65f6\u95f4\u7684\u67d0\u4e00\u70b9\u3002\u4f8b\u5982\uff1a
He got up late in the morning and had a meal at noon.\u4ed6\u65e9\u4e0a\u8d77\u5f97\u665a\uff0c\u6240\u4ee5\u53ea\u5403\u5348\u9910\u3002
(2)in\u8868\u793a\u5730\u70b9\u3001\u573a\u6240\uff0c\u8bd1\u4e3a"\u5728\u2026\u2026\u91cc"\u3001"\u5728\u2026\u2026\u4e2d"\u3002\u5982\uff1ain the factory\u5728\u5de5\u5382\uff0cin the room\u5728\u623f\u95f4\u91cc\uff0cin the sun\u5728\u9633\u5149\u4e0b\uff0cin the middle of...\u5728\u2026\u2026\u7684\u4e2d\u592e
in\u548cat\u90fd\u53ef\u8868\u793a\u5730\u70b9\uff0c\u800cin\u8868\u793a\u7684\u5730\u70b9\u6bd4at\u6240\u8868\u793a\u7684\u5730\u70b9\u5927\u3002
(3)in\u8868\u793a\u7528\u8bed\u8a00\uff0c\u7528\u2026\u2026\u6750\u6599\u3002\u8bd1\u4e3a"\u7528\u2026\u2026\uff0c\u4ee5\u2026\u2026\u65b9\u5f0f"\u3002\u5982\uff1ain English\u7528\u82f1\u8bed\uff0cin ink\u7528\u58a8\u6c34
(4)in\u8868\u793a\u7a7f\u6234\u7684\u72b6\u6001\uff0c\u8bd1\u4e3a"\u6234\u7740\u3001\u7a7f\u7740"\u3002\u5982\uff1ain the white shirt\u7a7f\u7740\u767d\u8272\u7684\u886c\u886b\uff0cin the cap\u6234\u7740\u5e3d\u5b50
in\u8868\u793a"\u7a7f(\u6234)\u7740"\u662f\u4ecb\u8bcd\uff0c\u6307\u72b6\u6001\uff0c\u540cwear\u4e00\u6837\u3002in\u540e\u63a5\u8868\u793a\u670d\u88c5\u7c7b\u7684\u540d\u8bcd\u6216\u8868\u793a\u989c\u8272\u7684\u8bcd\u3002\u5982\uff1a
Kate is in a red skirt./Kate wears a red skirt.\u51ef\u7279\u7a7f\u7740\u7ea2\u88d9\u5b50\u3002
3.on\u7684\u5c55\u793a\u5e73\u53f0
\u4ecb\u8bcdon\u8868\u793a\u65f6\u95f4\u3001\u5730\u70b9\u3001\u65b9\u4f4d\u7b49\u3002
(1)on\u8868\u793a\u65f6\u95f4\uff0c\u7528\u4e8e\u661f\u671f\u3001\u65e5\u671f(\u5305\u62ec\u8be5\u5929\u7684\u5404\u90e8\u5206)\u3002\u5982\uff1aon Sunday/Sundays,on Monday morning/afternoon/evening\u7b49\u3002
on\u4e5f\u7528\u4e8e\u67d0\u4e00\u65e5\u7684\u540d\u8bcd\u524d\uff0c\u7528\u4e8e\u516c\u5171\u8282\u5047\u65e5\u524d\u3002\u5982\uff1a
On New Year's Day\u5728\u5143\u65e6\uff0con Children's Day\u5728\u513f\u7ae5\u8282\u7b49\u3002
(2)on\u8868\u793a\u5730\u70b9\u3001\u4f4d\u7f6e\uff0c\u6709"\u5728\u2026\u2026\u65c1"\u3001"\u63a5\u8fd1"\u3001"\u9760\u8fd1"\u4e4b\u610f\u3002\u5982\uff1a
a house on the main road\u4e34\u5927\u8857\u7684\u623f\u5b50\uff0csit on my right\u5750\u5728\u6211\u7684\u53f3\u8fb9
(3)on\u8868\u793a\u72b6\u6001\uff0c\u8bd1\u4e3a"\u5904\u4e8e\u2026\u2026\u60c5\u51b5\u4e2d\uff0c\u4ece\u4e8b\u4e8e\u2026\u2026"\u7b49\u3002\u5982\uff1a
on duty\u503c\u65e5\uff0con holiday\u5ea6\u5047
(4)on\u8868\u793a"\u5728\u2026\u2026\u4e0a\u9762"\uff0c\u7528\u5728\u8868\u793a\u7269\u4f53\u7684\u540d\u8bcd\u524d\u3002\u5982\uff1a
on the box\u5728\u76d2\u5b50\u4e0a
on\u548cover\u90fd\u662f\u4ecb\u8bcd\uff0con\u8868\u793a"\u5728\u2026\u2026\u4e0a\u9762"\uff0c\u6307\u4e00\u7269\u4f53\u4e0e\u53e6\u4e00\u7269\u4f53\u8868\u9762\u76f8\u63a5\u89e6\uff1bover\u8868\u793a"\u5728\u2026\u2026\u4e0a\u65b9"\uff0c\u6307\u4e00\u7269\u4f53\u4e0e\u53e6\u4e00\u7269\u4f53\u4e0d\u63a5\u89e6\u3002\u8bd5\u6bd4\u8f83\uff1a
There is a light on the desk.\u684c\u5b50\u4e0a\u6709\u76cf\u53f0\u706f\u3002(light\u4e0edesk\u63a5\u89e6)
There is a light over the desk.\u684c\u5b50\u4e0a\u65b9\u6709\u4e00\u76cf\u706f\u3002(light\u4e0edesk\u4e0d\u63a5\u89e6)
\u3010\u7279\u522b\u63d0\u793a\u3011\u8868\u793a"\u5728\u2026\u2026\u4e0a"\uff0c\u4ecb\u8bcdon\u4e0ein\u5fc5\u987b\u6ce8\u610f\u4e60\u60ef\u7528\u6cd5\uff0c\u5426\u5219\u4f1a\u51fa\u9519\u3002\u4e0d\u59a8\u6bd4\u8f83\u4e00\u756a\uff1a
on the tree/in the tree\u90fd\u8bd1\u4e3a"\u2026\u2026\u5728\u6811\u4e0a"\u3002\u524d\u8005\u8868\u793a\u6811\u4e0a\u672c\u8eab\u6240\u957f\u7740\u7684\u53f6\u5b50\u3001\u82b1\u3001\u679c\u5b9e\u7b49\uff1b\u540e\u8005\u8868\u793a\u67d0\u7269\u6216\u67d0\u4eba\u5728\u6811\u4e0a\u3002
on the wall/in the wall\u90fd\u8bd1\u4e3a"\u5728\u5899\u4e0a"\u3002\u7531\u4e8e\u4ecb\u8bcd\u4e0d\u540c\uff0c\u5728\u4f7f\u7528\u4e0a\u6709\u533a\u522b\u3002\u56fe\u753b\u3001\u9ed1\u677f\u3001\u98ce\u7b5d\u7b49"\u5728\u5899\u4e0a"\uff0c\u662f\u56e0\u4e3a\u5b83\u4eec\u5728\u5899\u7684\u8868\u9762\u4e0a\uff0c\u6545\u7528on the wall\uff1b\u95e8\u7a97\u3001\u9489\u5b50\u3001\u6d1e\u3001\u5b54\u7b49"\u5728\u5899\u4e0a"\uff0c\u662f\u56e0\u4e3a\u5b83\u4eec\u5728\u5899\u7684\u91cc\u9762\uff0c\u6545\u7528in the wall\u3002
on，at，in这三个常用介词都可以表示时间和地点。
①on表示在具体某一天及具体某一天的上午、下午和晚上。
②当early，late用于句首修饰介词短语时，尽管表示具体某一天的上午、下午、晚上，都要用in，泛指一般的上、下午，晚上也用in。
③于将来时态表示“过一段时间后”及表示“在……期间”和“在某个季节，某年、某月”都用in。
④当morning，afternoon，evening有前位定语或后置定语限定时，就不用in而用on。
⑤表示某时某刻及在work，Christmas前用at。
词的种类
在初中英语中，有许多表示事物存在的方向和位置的介词，我们称之为方位介词。如in（在……里），behind (在……后面)，down (向下)等等。其中有些方位介词的意义比较接近，在用法上很难区分，如on, over, above 都有“在……之上”的意思，但含义却不尽相同。通过适合自己的方法，很容易掌握这三个介词的用法，以至于掌握所有方位介词的用法。
以上内容参考：百度百科-方位介词
on,at,in这三个常用介词都可以表示时间和地点,但具体用法不同,多数学生对它们混淆不清.现在只要记住了口诀,就可避免at,on,in的种种误用.
1.on,in,at表示时间
on“在具体某一天”①
“当某时”,动名词,arrival,death前；
用in一般“上”“下”“晚”；
on用于天,in用于月、季、年③；
限定三时in要变.④
at是个时间点,
“工作”“时刻”与“圣诞”⑤.
at noon（night）,in the day,
习惯用语记心间.
注：①on表示在具体某一天及具体某一天的上午、下午和晚上.
例 On Mother's Day,we should sned flowers to our mother.母亲节,我们应该送花给我们的母亲.
On my arrival home,I found he had gone already．当我到家时,我发现他已经走了.
② 当early,late用于句首修饰介词短语时,尽管表示具体某一天的上午、下午、晚上,都要用in,泛指一般的上、下午,晚上也用in .
例 Early in the morning of National Day,I got up to catch the first bus to the zoo． 国庆节一清早,我便起床去赶到动物园的第一班公共汽车.
My father begins work at 8：00 in the morning and stops work at 4：00 in the afternoon． 我父亲上午8点上班,下午4点下班.
③于将来时态表示“过一段时间后” 及表示“在……期间” 和“在某个季节,某年、某月” 都用in.
例 I hear he’ll be back in a month．我听说他将于一个月后回来.
In the course of the last lesson in French,little Franz was listening to the master very attentively．在那最后一堂法语课中,小弗朗兹非常用心地听着老师讲.
Xiao Ming was born in December of 2004.小明生于2004年12月.
④当 morning,afternoon,evening有前位定语或后置定语限定时,就不用in而用on.
例 on a hot (summer) noon 在一个炎热（夏天）的中午
on Monday Morning 在星期一上午
on the morning of March 8th在3月8日上午
⑤ 表示某时某刻及在work,Christmas前用at.
例 We get up at eight o’clock． 我们8点起床.
My father are busily at work all day． 我父亲整天忙于工作.
In western countries children get present from their parents at Christmas． 在西方国家,孩子们在圣诞节得到父亲给的礼物.
2.on,in,at表示地点
on“在之上”接触面,“靠近、接壤、左右边”①；
in“在里面”和“中间”②；
at表示小地点,“入口、车站、电影院”③；
home出现定语、冠,须用in把at换④；
“夜间、车辆”若有限,及“在途中”on在前⑤.
注：①在表示地点时,指“在……之上（与表面接触）” “靠近、接壤”及“在左右边”都用on.
例 There is an English-Chinese dictionary and two grammar books on the big desk．那张大写字台上有一本英汉词典和两本语法书.
Korea lies on the northeast of China． 朝鲜位于中国东北方.
Tom was sitting on my left when we saw the film yesterday． 我们昨天看电影时,汤姆坐在我左边.
②表示“在……里面”（即物体内部）,“在……中间”（即middle前）都用in.
例 Jim turned the key in the lock and opened the door． 吉姆把钥匙插在锁孔里,转动一下,打开了门.
Soon they were in the middle of the river． 很快他们就游到了河中间.
③ at表示一个较小的地点,如在“入口”（entrance）“车站”（bus stop,railway station）和“影剧院”（cinema,theater）等名词前.
例 As she walked along,she noticed an old pine tree ahead at the entrance to a valley． 她往前走时,注意到前边峡谷口有棵老松树.
④home前一般用at,但若有物主代词和冠词等定语修饰时,须用in.
例
In Princeton he lived quietly,working at the institute and enjoying
himself by playing his violin in his simple home．
他在普林斯顿过着安静的生活,在研究所工作,在他那简朴的家里拉琴消遣.
⑤“夜间”（night）、“车辆”（bus,bike,train ect．）等名词若有限定词及“在……途中”,介词则用on.
例 He was in on that night． 他那天夜里在家.
My son often goes to school on his bike．我儿子常骑自行车去上学.
On
the way home my father told me of an incident that took place on his
first day at school in Mr Crossett's class．
在回家途中,父亲给我讲了他第一天上克罗塞特先生课时发生的一件事
in年in月in季节
on+具体某一天
at要＋时间点
英语的二和二测怎么分呢？我们可以根据他的意思来份和她的形态动词来分
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绛旓細in銆at鍜on锛of鍜宖or鐨勫尯鍒负鎰忔濅笉鍚屻佺敤娉曚笉鍚屻佷晶閲嶇偣涓嶅悓锛岀敤娉曞涓嬶細涓銆佺敤娉曚笉鍚 1.in鐢ㄦ硶锛氱敤鍦ㄥ勾鏈堝鑺傚墠锛岃繕鏈変笂鍗堛佷笅鍗堢瓑鍥哄畾涔犺閲屻2.at鐢ㄦ硶锛氱敤浜庝紶缁熺殑鑺傛棩鍓嶏紝濡俛t Christmas绛夈3.on鐢ㄦ硶锛氱敤浜庡叿浣撶殑鏃ユ湡鍓嶏紝鏄熸湡鍑狅紝鍑犲彿锛屽寘鎷偅澶╃殑涓婂崍涓嬪崍鏅氫笂绛夈4.of鐢ㄦ硶锛+涓嶅畾寮忥紝琛ㄧず鈥...
