几点钟表达一最直接的读法:“小时+分钟”:5:10fiveten7:30seventhirty2:40twoforty二巧用介词法:(1)所表述的时间在30分钟之内,用“分钟+past/after+小时”:6:10tenpastsix(英式)/tenaftersix(美式)4:20twentypastfour/twentyafterfour10:25twenty-fivepastten/twenty-fiveafterten(2)所表述的时间在30分钟之后,用“(相差的)分钟+to/before+(下一)小时”:10:35twenty-fivetoeleven(英式)/twenty-fivebeforeeleven(美式)5:50tentosix/tenbeforesix9:49eleventoten/elevenbeforeten(3)所表述的时间恰好为半小时,用“half+past+小时”:11:30halfpasteleven2:30halfpasttwo(4)所表述的分钟和15有关,有三种表达法:(15分钟又叫一刻钟:aquarter)9:15-ninefifteen;fifteenpastnine;aquarterpastnine(英式)/aquarterafternine(美式)3:45-threeforty-five;fifteentofour;aquartertofour/aquarterbeforefour(5)整点现在是五点整。It'sfive.It'sfiveo'clock.三另外,还有这种情况:Noon:表示白天的12点,midnight:表示夜晚的12点atnoon正午12点,atmidnight午夜12点It's(twelve)noon.现在是中午十二点。It's(twelve)midnight.现在是半夜零点。四大约时间:It'salmosttwo.马上到两点了。It'snotquitetwo.还不到两点。It'sjustaftertwo.刚过两点。五若想表明是上午,可在时间后加上a.m.如:thirteenpastsixa.m.(上午六点十三分)。若想表明是下午,可在时间后加上p.m.,如:fouro'clockp.m.(下午四点)。六提前半小时halfanhourearly/thirtyminutesearly/earlybyhalfanhour/halfanhouraheadoftime/halfanhouraheadofschedule.例:Igetupattentoeight.我7:50起床。年月日表达方法1)8thMarch,2004或8March,2004(英式)2)March8th,2004或March8,2004(美式)日期写法宜遵从下列规则:1)年份必须完全写明,不可用04代替2004;2)月份必须用英文拼出或采用公认的简写,即January(Jan)February(Feb.)March(Mar.)April(Apr.)May,June,July,August(Aug.)September(Sept.)October(Oct.)November(Nov.)December(Dec.)3)日期可用序数词,如:1st,2nd,3rd,4th,...;也可用基数词,如:1,2,3,4,.但美式大多采用后者;例:4)在年份和月日之间必须用逗号隔开;如2017年2月9日。写法:9thFebruary,2017(英式)February9,2017(美式)读法:TheninthFebruary,twentyseventeen(英式)Februarytheninth,twentyseventeen(美式)时间介词用法一、用in的场合(1)表示“在某年/月/季节”这个含义时,须用介词in.例如:in1980.inmayinspring.(2)表示“从现在起一段时间以后”时,须用介词in.例如:Theywillgotoseeyouinaweek.(3)表示“在某世纪”时,须用介词in.例如:Thismachinewasinventedintheeighteenthcentury.(4)表示“在某年代或特定世纪某年代”时,须用介词in.例如:Thisincidenthappenedinthe1970's.除此之外,morning/evening/afternoon三个词也常跟介词in连用.二、用on的场合(1)表示“在具体的某一天”或“(在具体的某一天的)早上、中午、晚上”等,须用介词on.例如:onMay10th,1982,onarainymorning,onasummerafternoon.(2)表示“在星期几”或“在星期几的早上、中午、晚上”等,须用介词on.例如:onweekdays,onSaturdaymorning,onmonday.(3)表示“在某一节日”时,须用介词on.例如:onMid-autumnFestival,onTeachers''''Day.注意:当morning,evening,afternoon被of短语修饰,习惯上用in,而不用on.例如:intheearlymorningofSeptember10th在9月10的清晨;inthelateafternoonofSeptember12th在9月12日的傍晚.三、用at的场合(1)表示“某一具体时刻(即几点几分时)”,须用介词at.例如:atsix(2)用在特定的时候(时节、时机)时,须用介词at.例如:Theywerehappyatthattime.他们那时很幸福.(3)表示“在中午、在夜晚、在周末(on/at)”时,须用介词at.例如:Whatdoyouoftendoatnoon?你中午经常做些什么?Youcanseemanystarsintheskyatnight.夜晚你能看到天空中有许多星星.(4)表示“在……岁”时,须用介词at.例如:Attheageofnine,theboycouldswimwell.在九岁的时候,这孩子就游泳游得很好了.四、用by的场合by+时间名词.意为:“到…时(已发生某事),此时谓语多用完成时;最晚、不迟于…,在…之前”.如:bynow/then/thistime/nextFriday/theendof/threeo`clock等.Bytheendoflastyear,anothernewgymnasiumhadbeencompleted.到去年年底,又有一座新体育馆峻工了.Thetrainleavesat6:00pm.SoIhavetobeatthestationby5:40pmatthelatest.火车下午六点开,所以最晚我得五点四十赶到车站.