好文供参考!1/18数词的英语知识点总结精编3篇【引读】这篇优秀的文档“数词的英语知识点总结精编3篇”由网友上传分享,供您参考学习使用,希望此文对您有所帮助,喜欢的话就分享给下载吧!数词的英语知识点总结1(一)基数词在英语中表示数目的词称为基数词。1.基数词的构成(1)1-20one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve,thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen,twenty(2)21-99先说“几十”,再说“几”,中间加连字符。23→twenty-three,34→thirty-four,(3)101—999先说“几百”,再加and,再加末两位数或末位数;586→fivehundredandeighty-six,803→eighthundredandthree(4)l,000以上,先从右往左数,每三位数加一个“,”,第一个“,”前为thousand.第二个“,”前为million,第三好文供参考!2/18个“,”前为billion,然后一节一节地表示。9,785→ninethousand,sevenhundredandeighty-five6,260,309→sixmilliontwohundredandsixtythousandthreehundredandnine750,000,000,000→sevenhundredandfifty,billion2.基数词的用法(1)表示数量Eg.一Howmanybookswouldyoulike?一Iwouldliketwo.(2)表示号码phonenumberis6887789.(3)表示时间watchCCTVNewsatseveno’clockeveryevening.(4)表示“…十”的数词的复数可以表示人的岁数或年代。eg.Heisinhisearlythirties.他有三十来岁(31—34岁):Thistookplaceinthe1930s.这事发生在二十世纪三十年代;(5)表具体数字时,hundred,thousand,million用单数。eg.Therearesixhundredstudentsinourgrade.(6)表不确定的数字时,数词用复数。若带名词,再加好文供参考!3/18of,hundredsof(数百,成百上千的),thousandsof(数干,成千上万的),millionsof(数百万)eg。Hundredsofoldpeoplediedofcoldlastwinter.(二)序数词在英语中表示顺序、次序的词称为序数词。1.序数词的构成(1)一般在基数词后加th,→fourth,thirteen→thirteenth,多位数把个位变序数词。基数词变为序数词的规则(口诀):基变序,有规律,词尾加上th;一、二、三特殊记,结尾t、d、d。八减t,九减e,f要把ve替。ty把y改为i,记得th前有个e。2.序数词的用法(1.)the+序数词,表示“第几”Johnlivesonthefifteenthfloor(2).aan+序数词,表达再一,又一'llhavetodoitasecondtime.(3)年月日的表达年用基数词表示,日用序数词表示(4)分数的表达分子用基数词,分母用序数词。分子大于1,分母加-s。(5)序数词也可以用作副词,好文供参考!4/18Whendidyoufirstseehim?(6)基数词也能表示顺序,如书刊的页的数目,住所、房间、教室、电话号码等等。PageEight,Room304,ClassSeven,(7).倍数表示法主语+谓语+倍数(或分数)+as+adj.+asIhavethreetimesasmanyasyou.我有你三倍那么多。(8)在…世纪:inthetwenty-firstcentury常见考法对于数词的考查,通常是以单项选择、词语运用或听力形式考查学生在具体语言环境中灵活运用数词的能力。误区提醒1.在具体语境中正确使用序数词,并能正确书写序数词。2.在听力中听辨数字和号码,要速记且准确。3.hundredsof,thousandsof,millionsof表示约数时的用法。典型例题1:In_____,begantolearnEnglish.1990B.the1990sCthe1990Da1990解析:从题意中可判断出要表达时间,如果是1990年,那么直接就是in1990就可以了,C和D排除掉,人是不可好文供参考!5/18能有1990岁的,排除A,B表达的是“十八世纪九十年代”。答案:B典型例题2:Septemberis_________(九)monthoftheyear.解析:这是一道填空题,考查序数词的拼写。序数词前加the,故用theninth.数词的英语知识点总结2知识要点表示“多少”和“第几”的词,叫数词。数词分为基数词和序数词两种。1)基数词:在十位数词和个位数词中间加上连字符“-“。如:21twenty-one‘基数词三位以上的数词,在百位和十位之间,一般要用连词and“。如:132onehundredandthirty-two.表示”万“的词英语中没有。如1万可用10千来表示。tenthousand.30万可用threehundredthousand来表示。基数词的用法:1.编号的事物用基数词:如:LessonFive,Room1012.表示”年,月,日“时用基数词。3.表示“几点钟,几点过几分”用基数词。Itistwototwo.现在是两点差两分。好文供参考!6/184.加减乘除用基数词。Oneplustwoisthree.一加二等于三。Eightminusfourisfour.八减四等于四。Twotimestwoisfour.二乘二等于四。Tendividedbytwoisfive.十除二等于五。5表示百分数用基数词。Thirtypercentofthemiswater.它们当中有30%的水。6.表示分数时,分子数字用基数词,但分母要用序数词,如分子不是1,序数词要用复数形式。One-fifthofthebooksaremine.三分之一的书是我的。Three-tenthsofwaterisdisappeared.十分之三的水不见了。2)序数词:表示数目顺序的词用序数词。1.序数词1━19除第一,第二,第三,第五,第八,第九,第十二变化不规则外,其余均由在基数词后加上-th。2.十位整数的序数词的构成方法是,是将十位整数基数词的词尾-y变成i再加-eth。3.几十几的序数词,只是把个位数变成序数词,十位数不变。4.第一百以上的多位序数词由基数词的形式变结尾部分为序数词形式来表示。好文供参考!7/18onehundredandtwenty-first,onethousand,threehundredandtwentieth5.序数词的缩写形式有时,序数词可以用缩写形式来表示。主要缩写形式有。first--lstsecond--2ndthird--3rdfourth--4thsixth--6thtwentieth--20thtwenty-third--23rd其中lst,2nd,3rd为特殊形式,其它的都是阿拉伯数字后加上th。6.通常前面要加定冠词the;但是如果序数词前出现不定冠词a或an时,则表示“再”,“又”。We’vetrieditthreewetryitafourthtime?7.基数词也可以表示顺序。只需将基数词放在它所修饰的名词之后(名词需大写)即可,不需要添加定冠词。thefirstlesson-LessonOne,thefifthpage-Page5,thetwenty-firstroom-Room21练习请看第二页1.I‘veread______sportsnewsabouttheF1racetoday.A.twoB.piecesC.twopiecesD.twopiecesof2.DuringWorldWarII,aJewish(犹太)ladywasprotectedbyalocalfamilyinShanghaiinher______.A.fiftiesB.fiftyC.fiftiethD.thefiftieth3.Theriverthroughourcity,whichisabout好文供参考!8/18_________,iscleanagain.A.6000meterslongB.6000-metres-longC.6000-metre-longD.6000meterlong4.IstudyinYuCaiMiddleSchool.Therearetwo____studentsinourschool.A.thousandB.thousandsC.thousandofD.thousandsof5.Theysaidtheywouldhaveholiday.A.atwo-monthB.twomonthsC.two-monthsD.two-month’s6.-WhenwasthePLAfounded?-Itwasfoundedon____.A.July1.1921B.OctoberC.MayD.August7.Inthepasttwoyears,manytallbuildingshavebeenbuiltinourcity.Thetallestisanthatstandsinthecentre.A.80-floorbuildingB.60-floorbuildingC.80-floorbuildingsD.70floorsbuildingnumberofpeopleinvited____fifty,butanumberofthem_____absentfordifferentreasons.A.were;wasB.was;wasC.was;wereD.were;好文供参考!9/18were9.-Howsoonwillyoufinishyourwork?-Inabout_______.A.oneandahalfmonthB.onemonthandahalfC.oneandhalfamonthD.amonthandhalf10.-Wouldyoulikesomefruit,madam?-Oh,yes._______,please.A.5kilobananasB.5kilosofbananasC.5kiloofbananasD.5kilosofbanana小升初英语专项练习完形填空及答案1Johnsentforadoctorbecausehiswifewasill.Hecalledthedoctorandmadesurethey___1___meetatfive.Hearrivedatthedoctor’sattwenty___2___five.Hethought,“It’salittlebitearlier.I’llwaitforamoment.It’sgood___3___thereontime.”___4___hestoppedhiscarinfrontofthedoctor’s.He___5___andsawanoisysquarenotfarfromhere.Hewentthereandsatdownonachairtoenjoythelastlightofafternoonsunand___6___himselfquiet.Hesawsomechildrenplayingandsomewomentalkingtoeachotherhappily.Suddenlyhe___7___agirlcrying.Hecameuptoher好文供参考!10/18andaskedsomequestions.Thenheknewshegotlost.Johntriedtofindouther___8___and