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一.基数词、序数词二.数词的表示法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二.基数词的读法1、百位和十位间用and连接,十位和个位间用-连接threehundredandtwenty-one3212、右往左数,三位一组,逗号隔开.依次是thousand(千)million(百万)billion(十亿)fourthousandthreehundredandtwenty-onesevenmillion,sixhundredandfiftyfourthousandthreehundredandtwenty-one7,654,3211,987,654,32143214,321onebillionninehundredandeighty-sevenmillion,sixhundredandfifty-fourthousandthreehundredandtwenty-one1.hundredthousand(表示具体数字)millionbillion2.hundredsthousands(表示概数)millionsbillions三.基数词的用法数词(several)++ofsome/manyhundredsof1.—Ifa=3,b=4,what’stheanswertotheproblem,a+2ab+1=?—theansweris___.A.twentyeightB.twenty-eighthC.twenty-eight2.Inourschoolseveral__studentsareabletosearchtheInternet.A.hunderdofB.hunderdsofC.hundred3.Many__sheepwerekilledintheaccident.A.thousandsofB.thousandC.thousands4.Thereareovernine__workersinthefactory,but__ofyoungpeoplehopetoworkinit.A.hundred;hundredsB.hundreds;hundredsC.hundreds;hundred①月日年在2019年10月1日四.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,2019②月日在8月9日③月年在2019年5月1.Theaccidenthappenedon___.A.April5,2019B.2019,April5C.April2019,52.Iwasborn___.A.inMarch8,1993B.onJuly9,1994C.onMay,201920世纪90年代inthe1990s在他50多岁时inhisfifties四.数词的表示法—年代世纪intheinone’s+整十基数词复数在某人几十岁时nineteennineties1.Therewillbemorechancesin__centurythanin__century.A.twenty-one,twentyB.twenty-first,twentiethC.thetwenty-first,thetwentieth2.Thecitychangedalot___.A.in1980sB.inthe1980sC.inthe19803.Hegraduatedin__of__century.A.thesixtieth;twentyB.sixty;thetwentiethC.thesixties;thetwentieth4.Hegottheprize__.A.inhisfiftiesB.infiftiesC.inhisfifty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表示在几点钟用介词at四.数词的表示法—时间1.—It’salready7:40now.Whenwillthefilmstart?—___.Westillhavefiveminutes.A.AquartertosevenB.Sevenpastforty-fiveC.Aquartertoeight15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+分数四.数词的表示法—分数百分数80%基数词+percenteightypercenthalf/(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3.78threepointseveneight1.__ofthestudents__boysinClassA.Twothree;areB.Twothirds;areC.Twothirds;is2.__ofhermoney__spentonclothes.A.Twothree;areB.Twothirds;isC.Twothird;is3.__theteachersinourschoolisaboutonehundred,and__ofthemarewomenteachers.A.Thenumberof;twothirdB.Thenumberof;twothirdsC.Anumberof;twothirds一个半小时两个半小时twoandahalfhours=twohoursandahalfoneandahalfhours=onehourandahalf四.数词的表示法—半的表示法1.Theboyalwaysstaystherefor__.A.oneandhalfhourB.oneandahalfhourC.oneandahalfhours2.Theoldmandrank__beer.A.twobottlesandahalfB.twoandahalfbottleC.twobottleandahalf一倍once,两倍twice,三倍threetimes(三倍或以上基数词+times)四.数词的表示法—倍数Thisboxisfivetimesasbigasthatone.=Thisboxisfourtimesbiggerthanthatone.①倍数+as+adj.(adv.)+as+比较对象②倍数+比较级+than+比较对象③倍数+the+相应名词+of+比较对象四.数词的表示法—倍数我现在的收入是2019年的两倍.Myincomenowistwiceasmuchasthatof2019.Myincomenowistwicemorethanthatof2019.Myincomenowistwicetheamount/sumof….我们的校园是他们的三倍大.1.Thisbuildingis__thatbuilding.A.threetimeastallasB.twicetallerthanC.threetimesastalleras2.我的箱子比你的重六倍!Myboxis____________________yours.sixtimesheavierthanseventimesasheavyas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四.数词的表示法—编号①Thewinneris___.Heisan___boy.A.eight-year-old;eightyearsoldB.eightyearsold;eight-year-oldC.eight-yearsold;eight-year-old②HecametoChina____.A.attheageof20B.whenheis20C.atageof20四.数词的表示法—年龄①Theriverisabout____.A.6,000meterslongB.6,000-meters-longC.6,000-meter-long四.数词的表示法—计量be+数词+量词+形容词五.数词的表示法—非确定数的表示►一两天►一两分钟►三四十人►两三年oneortwodaysadayortwooneortwominutesaminuteortwothirtyorfortypeopletwoorthreeyears六.数词的表示法—只跟可数名词的数量词many(a)fewseverala(large/small/good)numberofagoodmanyeggsyearspeople七.数词的表示法—只跟不可数名词的数量词much(a)littleabitofa(large/small)sumofa(great/good)dealofa(large/small)amountofamountsofoiltroublemoney八.数词的表示法—既可以跟可数名词也可以跟不可数名词的数量词much(a)littleabitofa(large/small)sumofa(great/good)dealofa(large/small)amountofamountsofwateradvicecarsbooks九.数词的表示法—常用数字的表达1908年2019年2019年2019年9月23日在20世纪70年代在第21世纪9:009:089:159:309:459:58TEL:659940279号门105房间779航班206公交车第十课二年级第19中学第一次世界大战→23rdSeptember,2019→September23rd,2019→inthe1970s//inthe1970’s→inthetwenty-firstcentury→GatenineRoom105→Flight779BusNo.206→Lessonten//thetenthlesson→TheNo.19HighSchool→WorldWarOne→TheFirstWorldWar九.数词的表示法—常用数字的表达2米高/宽/长/厚5吨重5美元/英镑2斤重10元人民币20亩→twometershigh/wide/long→fivetonsheavy→fivedollars/pounds→twojinheavy→tenyuan→twentymu1、the+序数词强调顺序a/an+序数词表示“再一”、“又一”HewaselectedPresidentforthesecondtime.Youmaytryathirdtime.十.序
本文标题:英语语法——数词
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