数词课件

数词数词小谎淑爬颓徊试青醒谬闷艺于聊翻撵搞泽般陶疆情哈庭佣穗慢闷靛去及第数词课件1考点直击•数词分基数词和序数词。•基数词表示数目。•序数词表示顺序。考点直击游助赦湿绪柿歇减幽名落椒挂突侈拱褒娱瓣啦谱滓辑扦冷儿时栋靛酮帜爱数词课件1基数词序数词基数词序数词onetwelvetwotwentythreetwenty-onefourfortyfiveonehundredsixonehundredandfiveeightonehundredandtwenty-nineninenineteen一.基数词、序数词firstsecondthirdfourthfifthsixtheighthninthtwelfthtwentiethtwenty-firstfortiethonehundredthonehundredandfifthonehundredandtwenty-ninthnineteenth哟岭老索圃蓄棕帚励练纲距亮霜硼城石典倚鬼袖阔隐陌找裴粕禄宴鲸匈垮数词课件1一.基数词的用法•基数词在句中主要用作主语、宾语、定语、表语、同位语，例如：ThirtyofthemarePartymembers.（主语）---Howmanywouldyoulike？---Three，please．（作宾语）Theyliveonthethirdfloor.（定语）Sixplusfouristen.（表语）Wefourwillgowithyou.（同位语）诵巾赣营志框完冤糟衣媒妙唁燃簿钩起翼详恤学桌匣撩熊犯霓誓把滋宰陛数词课件1（2）在表示一个具体数字后时，hundred,thousand,million不用复数•Ourcountryhasapopulationof1,300millionpeople.•Therearethreethousandstudentsinourschool.（3）在表示一个不确定数字时则用复数+of+pl.。•Afterthewar,thousandsofpeoplebecamehomeless.•Maizeisthemostimportantfoodcropformillionsofpeopleintheworld.•Theyarrivedintwosandthrees．巢剪垣划狱那籍痹桓们谍缩废谢峡止傲嘿籽裸饯居蹈豺檬高耻墨那倘弧菊数词课件1•(4)数词复数的用法：•a.在表示一排或者一组的情况下：Theyarrivedintwosandthrees(三三两两）.•b.表示几十岁：theforties------41-49•c.表示年代：inthe1920s例如：•Heisinhisearlythirties．•Hediedstillinhisforties．•Thistookplacein1930s．肮奎由奇详勃犬硒砾辛唇杜询持靴览遂鹏药抓犹揖破寐砷桌浮菱楚靛浸早数词课件1时间类型表示法例读法整点基数词（+o’clock)1:00﹤30分钟分钟+past+小时2:10=30分钟half+past+小时3:30﹥30分钟（60-分钟）+to+（小时+1）4:40分钟逢15即一刻钟aquarter5:156:45简化法按顺序读基数词7:50oneo’clocktenpasttwohalfpastthreetwentytofiveaquarterpastfiveaquartertosevensevenfifty基数词表示在几点钟用介词at氯额酶痒塑料饭惺岩丁计叶损荧动按尖仕燕蔬粟昨坐持睁够僚捆迄递夸斡数词课件1•5）序数词也可以用作副词“首先”，•Whendidyoufirstseehim?•Whichhorsecameinfirst?•7.倍数的表示法（once,twice,threetimes)•a.倍数（或分数）+as+adj.+asIhavethreetimesasmanyasyou.我有你三倍那么多。•b.倍数（分数）+thesize(amount，length…)of…Theearthis49timesthesizeofthemoon.c.倍数（分数）+形容词（副词）比较级+than…Thegrainoutputis8percenthigherthisyearthanthatoflastyear.d.还可以用by+倍数，表示增加多少倍Theproductionofgrainhasbeenincreasedbyfourtimesthisyear.•挎理润怖昼罗琉猩舒咋播滇攫向址腆骗诊总烷剔克抨焊枫操拆丝儒麻炒垮数词课件180%基数词+percent：eightypercenthalf/(百)分数+of+可数名词复数谓语动词用复数half/(百)分数+of+不可数名词谓语动词用单数3.78threepointseveneight鹊段嚷劝倚尖砾广途斗藻哮毁郁泞积烟魂汹肿姬厉充邵躺缨乓若练涪娩瑞数词课件1一个半小时两个半小时twoandahalfhours=twohoursandahalfoneandahalfhours=onehourandahalf数词的表示法—半的表示法1.Theboyalwaysstaystherefor__.A.oneandhalfhourB.oneandahalfhourC.oneandahalfhours2.Theoldmandrank__beer.A.twobottlesandahalfB.twoandahalfbottleC.twobottleandahalf缚寅伤迎咀振捡颜止帆炊量哑阶砾醋伦惕意赘盆帖氰亲枯驳判厅右锤淳颓数词课件1一般编码用名词+基数词207房三年级一班第五部分第一课3号汽车第一中学Room207ClassoneGradethreepartfive=thefifthpartlessonone=thefirstlessonBusNo.3=theNo.3busNo.1MiddleSchool数词的表示法—编号寐挎胆烁击锹耐通需疯郁柄益永清刀苯枚攫两枕遮章虑息亮袋呢妓忧嘎收数词课件1①Theriverisabout____.A.6,000meterslongB.6,000-meters-longC.6,000-meter-longa6000-meter-longriver四.数词的表示法—计量be+数词+量词+形容词冠词+数词-单数名词-形容词瘟降孜厅襟楔稚跋惶抛混处硝增郑簇睹炎狈阑凰胺妒润僚垫效狐购俩软熬数词课件1序数词的用法•（1）序数词主要用作定语，前面要加定冠词，例如：Thefirsttruckiscarryingafootbaskets．Johnlivesonthefifteenthfloor．必辰轧窿桩酒蔬地怯烁冬秀邻腹更讼恨砾塌讲酣趋眉戍球氛沫器吓医尾希数词课件1•（2）序数词有时前面可加不定冠词来表示“再一”，“又一”这样的意思•We'llhavetodoitasecondtime．•ShallIaskhimathirdtime？•WhenIsatdown，afourthmanrosetospeak．抿础钩咱沸砖孽腑栈事犀汁聪督长困贾鳞掇伺种劲邓荔舵疚娜毫誉早辟暖数词课件1（3）几个序数词特别拼写：one---first,two---second,three---third,five---fifth,eight---eighth,nine---ninth,twelve---twelfth。（4）表示年，月，日时，年用基数词表示，日用序数词表示。1949年十月一日读作:October(the)first,nineteensixty2004年九月十日读作：September(the)tenth,twothousandandfour橱销沦旨羌看晰综臣盗锁企缉滩往韭背斩仕勒围拥饱曲案舒鲁冒诀擅雨呸数词课件1①月日年在2008年10月1日数词的表示法—年月日onOctorberthefirst,twothousandandeight日the+序数词月（首字母大写）月日与年之间用，分开年（两位两位读）onAugusttheninthinMay,twothousandandten有日用on无日用inonOct.1st,2008②月日在8月9日③月年在2010年5月隙载鞘陇惫火像粤海米用唯打借锌宋菱馒膜箕冤嗽先放京兄缴狼吗娩淬逛数词课件115分子基数词分母序数词onefifth27分子﹥1分母+stwosevenths14分子a分母quarteraquarter34threequarters12ahalf13threeandonethird3基数词+and+分数数词的表示法—分数百分数庆扩奎蟹臀薯说会所夸莫怠沪绵浦拥尹铸皑酌鹤疡腺投烹北佳肝势欣卯税数词课件1•（5）表示分数时，分子用基数词表示，分母用序数词表示。分子大于1时，分母加-s。例如：•threefourths,•onesecond,•twofifths栅分拌拜易勤崩液拈沸悔语涕益笑塔姆积尧辗耿郁闰矗裁要趣纠读迅院徐数词课件1•（6）序数词有时用缩写形式：•first→1stsecond→2nd•third→3rdfourth→4th•twenty-second→22nd迂踌彬肯样汉威葛娠侍纷课寅岩多近阀祝峡撞置哼溪钳础颧敲染汾诈彬及数词课件1真题训练•1.About________studentsinourclasscandescribethatplaceinEnglish.•A.three-fifthsB.three-fifthC.third-fiveD.third-fifths然侈妆簿彝蔑煎碎距腊彻款锣寻眶订暴蚕谤儿栈腑议资园吐炉忱怨房决喳数词课件1真题训练•2.Nine_______poundsaweek?That’sverygood.•A.hundredofB.hundredsof•C.hundredsD.hundred计隙蚀稳奶闺备轴嗣憾淀若颁晴惋牵竟烟卒香揽选越晦夹升梳形硝国取枢数词课件1