英语复习之数词

数词CONTENTS1数词的分类23基数词序数词4数词的特殊用法1数词的分类0102基数词：序数词：数词表示数量的多少。one,two,three,four…表示数字的次序。first,second,third,fourth…数词的分类Therearefivepeopleinmyfamily.Weliveonthesixthfloorinatallbuilding.我家有五口人。我们住在一座高楼的第六层。2基数词基数词的构成①1－12,独立成词onetwothreefourfivesixseveneightnineteneleventwelve②13--19,由3－9+teen构成14–fourteen16--sixteen17--seventeen19—nineteen特殊拼写:13–thirteen15--fifteen18—eighteen③20－90,以-ty结尾20—twenty30---thirty40—forty50—fifty80---eighty60---sixty70---seventy90—ninety④21－99，两位数，十位与个位之间有“－”21twenty—one55fifty—five99ninety—nine⑤101—999，三位数，百位与十位/个位之间加and。101onehundredandone840eighthundredandforty693sixhundredandninety-three⑥基数词中只有“百”“千“单位词，没有“万”、“亿”1,000以上的数，先从后向前数，每三位加“，”，第一个“，”前为thousand，第二个“，”前为million，第三个“，”前为billion(美式)或thousandmillion(英式)。29,43150076,,thousandhundredmillionbillionand①26②260③2,261④2,026⑤1,200,226①100②1,000③10,000④100,000⑤1,000,000Exerciseone/ahundredonethousandtenthousandonehundredthousandonemilliontwenty-sixtwohundredandsixtytwothousand,twohundredandsixty-onetwothousandandtwenty-sixonemillion,twohundredthousand,twohundredandtwenty-six①100,000,000②2,648③16,256,064④5,237,166,234Exerciseonehundredmilliontwothousand,sixhundredandforty-eightsixteenmillion,twohundredandfifty-sixthousandandsixty-fourfivebillion，twohundredandthirty-sevenmillion，onehundredandsixty-sixthousand，twohundredandthirty-four基数词用法(1)表示具体数目,hundred,thousand,million,dozen(一打，十二个)，score（二十）不用复数。表示不确定数目,用复数。即hundredsof(数百),thousandsof(数千),millionsof(数百万)+名词复数,可以用many/several修饰，但不能与具体数目连用。1)Ourcountryhasapopulationof1,300millionpeople.2)Therearethreethousandstudentsinourschool.3)Afterthewar,thousandsofpeoplebecamehomeless.4)Several/Manythousandsoftreesmustbeplantedeveryyear.1.hundredthousand(表示具体数字)millionbillion2.hundredsthousands(表示概数)millionsbillions数词(several)++of数百不S,百S加of1.ThegovernmentofChinaisbuilding________cheapandgoodhousesforthepeople.A.thousandB.thousandsC.thousandofD.thousandsof2.Nine_______poundsaweek?That’sverygood.A.hundredofB.hundredsofC.hundredsD.hundred3.Thereareovernine__workersinthefactory,but__ofyoungpeoplehopetoworkinit.A.hundredof;hundredsB.hundred;hundredsC.hundreds;hundredExercise注意：某数是某些特指人或东西中的一部分fourthousandofthestudents(学生中的四千人)fourthousandstudents(四千学生)thousandsofstudents(数以千计的学生)Oursummerholidayiscoming.Two____thestudentsinourschoolwillgotothebeach.A.hundredB.hundredsC.hundredofD.hundredsof“几十”的复数形式可以表示为：①几十多岁----“in+one’s+整十的数词复数”eg.Myparentsareintheirforties.②年代----1)“in+the+整十的数词复数”eg.Itwasinthe1960s/inthe1960’s(在1960年代)2)“in1988”（在1988年）=intheyearof1988twentiesthirtiesfortiesfiftiessixtiesseventieseightiesnineties基数词用法(2)某年无冠十年冠，十年s放后面“基数词+名词”的合成形容词作定语中间有连字符“－”,当中的名词用单数。（数杠名单）eg.a3–year–oldgirlaseven-dayholiday表计量--“基数词+度量单位+形容词”eg.Theclassroomis7meterslong,6meterswideand3metershigh.基数词用法(3)1.Thecitychangedalot___.A.in1980sB.inthe1980sC.inthe19802.Hegottheprize__.A.inhisfiftiesB.infiftiesC.inhisfifty3.Hegraduatedin__of__century.A.thesixtieth;twentyB.sixty;thetwentiethC.thesixties;thetwentiethExercise4.Thewinneris___.Heisan___boy.A.eight-year-old;eightyearsoldB.eightyearsold;eight-year-oldC.eight-yearsold;eight-year-old5.HecametoChina____.A.attheageof20B.whenheis20C.atageof20Exercise3序数词基变序口诀：基变序，有规律一、二、三，特殊记；八去t,九除e,f要把ve替；基序eleven,twelve,thirteen…twenty,thirty-one基序one,two,three,four,five,six,seven,eight,nine,tenfirst,second,third,fourth,fifth,sixth,seventh,eighth,ninth，tentheleventh,twelfth,thirteenthtwentieth,thirty-firstty变成tie，若是遇到几十几，只变个位就可以。序数词的构成①序数词前通常要加定冠词the序数词用法1.Ihave______(six)teachers.2.Iam_________(one)tocometoschooltoday.②前有“的”，不加the③序数词前出现不定冠词a或an时,则表示“再—”,“又—”。(=another)3.Willyoucometomy_________party?A.eighteenB.theeighteenthC.eighteentha+序数词不确定the+序数词确定4.Idon'tlikethisdesk,canyoushowme__one?-,I'msorry,therestareforotherpeopleA.secondB.thesecondC.asecondsixthefirstone1.Twodaysisn’tenoughformetofinishthework.Ineed____day.A.athirdB.thethirdC.theotherD.other2.Inordertomakeitclear,Imustgoupto_______secondfloorandaskhim_______secondtime.A.the;aB.the;theC.a;theD.a;aExercisemore和another都有再；又之意。区别如下：①“基数词＋more＋名词”。eg.Theboyhadtwomoreapples/twoapplesmore.句型可变为：“some/afew/alittle/many/much等＋more＋名词”。如：Wouldyoulikesomemoretea?②“another＋基数词＋名词”。eg.Hewroteanothertwoletters/twomoreletterstoher.注意①Ihavetowritetwomoreletters(=anothertwoletters)today.②HelivedinBeijingforthreemoremonths(=anotherthreemonths).③Hewouldlikefivemoreapples(=anotherfiveapples).④Weneedonemorechair(=anotherchair).比较1.Thebusisfull.Wecanhardlymake___for___persons.A.aroom,threemoreB.room,morethreeC.room,threemoreD.aroom,anotherthree2.Beijingisreallyaninterestingcitywithalonghistory,soIwanttostayherefor___tendays.A.anotherB.otherC.moreD.theothersExercise3.Iamstillhungry.CouldIhavetwo____piecesofbread,please?A.muchB.manyC.moreD.most4.--Wouldyouliketohave_____apples?--No,thankyou.I’vehadenough.A.othertwoB.anothertwoC.moretwoD.twoothersExercise在“数词+more+复数名词”结构中的more还可与some,any,afew,alittle,many,much,several等词连用,而且名词也可是不可数名词。(1)You’dbetterstayhereforafewmoredays.(2)We’llplantsomemoretreesinourgardennextyear.(3)Wouldyoulike