in和at的区别.docx

99.99%的中国学生会犯的错误in university vs at university 来源： 陈金晖的日志 99.99%的中国学生会犯的错误in university vs at university. 看过太多太多的学生用in university这样不知不觉的错误。这应该是从中文习惯而来，而没意识到英文是用at university。如果你读到了这篇之后，请别再犯这类无意识的错误了。是否该用in 或者 at university，在后面的回复中有了一些不是很明晰的讨论，为此，我在google上尽量找个合适的资料来进一步理清疑问，还是找到了这么一条不错的讨论内容：/showthread.php?t=145047（有疑问的人知道去看看他们的讨论，他们说得比我在这里说得好。全英文内容）【请在分享的时候，不要去掉来源，人家可是很辛苦从网络上找来的内容，虽然非原创，但也下了功夫编排的内容】如何正确使用at/in/on，很多人都会犯错by agostic从网上找到了一些比较好的资料，分享一下。时间介词Prepositions of Time: at, in, onWe use: atfor a PRECISE TIME infor MONTHS, YEARS, CENTURIES and LONG PERIODS onfor DAYS and DATESatinonPRECISE TIMEMONTHS, YEARS, CENTURIES and LONG PERIODSDAYS and DATESat 3 oclockin Mayon Sundayat 10.30amin summeron Tuesdaysat noonin the summeron 6 Marchat dinnertimein 1990on 25 Dec. 2010at bedtimein the 1990son Christmas Dayat sunrisein the next centuryon Independence Dayat sunsetin the Ice Ageon my birthdayat the momentin the past/futureon New Years EveLook at these examples: I have a meetingat9am. The shop closesatmidnight. Jane went homeatlunchtime. In England, it often snowsinDecember. Do you think we will go to Jupiterinthe future? There should be a lot of progressinthe next century. Do you workonMondays? Her birthday ison20 November. Where will you beonNew Years Day?Notice the use of the preposition of timeatin the following standard expressions:ExpressionExampleat nightThe stars shineat night.at the weekendI dont usually workat the weekend.at Christmas/EasterI stay with my familyat Christmas.at the same timeWe finished the testat the same time.at presentHes not homeat present. Try later.Notice the use of the prepositions of timeinandonin these common expressions:inonin the morningon Tuesday morningin the morningson Saturday morningsin the afternoon(s)on Sunday afternoonsin the evening(s)on Monday eveningWhen we saylast, next, every, thiswe do not also useat, in, on. I went to LondonlastJune. (notin lastJune) Hes coming backnextTuesday. (noton nextTuesday) I go homeeveryEaster. (notat everyEaster) Well call youthisevening. (notin thisevening)地点介词Prepositions of Place: at, in, onIn general, we use: atfor a POINT infor an ENCLOSED SPACE onfor a SURFACEatinonPOINTENCLOSED SPACESURFACEat the cornerin the gardenon the wallat the bus stopin Londonon the ceilingat the doorin Franceon the doorat the top of the pagein a boxon the coverat the end of the roadin my pocketon the floorat the entrancein my walleton the carpetat the crossroadsin a buildingon the menuat the front deskin a caron a pageLook at these examples: Jane is waiting for youatthe bus stop. The shop isatthe end of the street. My plane stoppedatDubai and Hanoi and arrivedinBangkok two hours late. When will you arriveatthe office? Do you workinan office? I have a meetinginNew York. Do you liveinJapan? Jupiter isinthe Solar System. The authors name isonthe cover of the book. There are no pricesonthis menu. You are standingonmy foot. There was a no smoking signonthe wall. I liveonthe 7th floorat21 Oxford StreetinLondon.Notice the use of the prepositions of placeat,inandonin these standard expressions:atinonat homein a caron a busat workin a taxion a trainat schoolin a helicopteron a planeat universityin a boaton a shipat collegein a lift (elevator)on a bicycle, on a motorbikeat the top