雙語數(shù)詞和單語數(shù)詞

雙語數(shù)詞和單語數(shù)詞英語學(xué)習(xí)的過程主要分為單詞的積累和語法，單詞的積累在這里就不贅述了，那么英語語法的學(xué)習(xí)包括了單詞詞性、時態(tài)和從句。本文主要分享的是語法中詞匯部分的內(nèi)容。一、基數(shù)詞1、數(shù)字①21—99先說“幾十”再說“幾”，中間要加連字號。例：23twenty-three②101-999先說“幾百”再說剩下的數(shù)字。例：677sixhundredandseventy-seven908ninehundredandeight③1000以上的詞從后往前數(shù)，每三位加一個逗號。第一個逗號前的數(shù)為thousand,第二個逗號前的數(shù)為million,第三個逗號前的數(shù)為billion0例：2008twothousandandeight6203sixthousand,twohundredandthree2、數(shù)學(xué)公式3+12=15：threeplustwelveisfifteen9-7=2：nineminussevenistwo6X5=30：sixtimesfiveisthirty20+4=5：twentydividedbyfourisfivea>b：aismorethanba<b：aislessthanba^b：aapproximatelyequalstoba#b：aisnotequalytob二、序數(shù)詞firstsecondthirdfourthfifthsixthseventheighthninthtenthtwelfthfourteenthtwentieththirtieth第二Htwenty-first第三十二thirty-second第八十九eighty-ninth第三十六thirty-sixth第二百三十六twohundredandthirty-sixth序數(shù)詞的一些用法①和a連用表示“再一個““又一次"ShallIaskherathirdtime?我還要再問她一次嗎？Whenhesatdown,afourthmanrosetospeak.②表示日期June23rd六月二十三日October1st十月一日august31st八月三十一日電話號碼的讀法6355-4779sixthreedoublefivefourdoublesevennine.三、分?jǐn)?shù)詞由基數(shù)詞和序數(shù)詞組成，基數(shù)詞代表分子，序數(shù)詞代表分母。除了分子為1的情況外，序數(shù)詞都要用復(fù)數(shù)形式。1/4one-fourth7/9seven-ninth2/3two-thirds2又3/5twoandthree-fifths30又7/8thirtyandseven-eighths還有下面表示法1/2ahalf1/4aquarter3/4three-quarters2X1/4twoandaquarter例：Overnine-tenthsofChina1sinhabitantsbelongtotheHannationality.Twentycentsisone-fifthofadollar.20美分是一美元的五分之一四、小數(shù)6.5sixpointfive0.3zeropointthree0.04zeropointzerofour0.125zeropointonetwofive14.973fouteenpointnineseventhree五、百分?jǐn)?shù)8percent百分之八量詞：表示數(shù)量的詞somemanymuchseveralenoughdozen…alotof、anumberof、abitof、lotsof、tonsof大量的、aballof—團(tuán)、agroupof、abasinofwater一盆水、abasketofflowers一籃花、acupofcoffee、aspoonofsugar、atankfulofpetrol一箱汽油、aglassofmilk一杯牛奶milemetrekilometerinchgram克數(shù)詞：表“多少”（基數(shù)詞）和“第幾”（序數(shù)詞）的詞，叫數(shù)詞，與代詞一樣，或相當(dāng)于形容詞，或相當(dāng)于名詞。

1,基數(shù)詞，下面是最基本的基數(shù)詞，其他數(shù)目均由這些基數(shù)詞構(gòu)成:onetwothreeonetwothreefourfivesixseveneightninetenthirteenfourteenfifteensixteenseventeeneighteennineteen20twenty20twenty30thirty40forty50fifty60sixty70seventy80eighty90ninety20twenty30thirty40forty50fifty60sixty70seventy80eighty90ninety注：20twenty30thirty40forty50fifty60sixty70seventy80eighty90ninety2.1,21-99先說幾十再說幾，32thirty-two75seventy-five101-999先說幾百，再加后面的數(shù)719sevenhundredandnineteen（十位數(shù)不是零這個AND可以省略）908ninehundredandeight1,000以上的詞，先從后向前數(shù)，每三位數(shù)加一個逗號（以此把數(shù)目分為若干段）。第一個逗號前的數(shù)為thousand,第二個逗號前的數(shù)為million,第三個逗號前的數(shù)為billion.1003onethousandandthree9,703ninethousand,sevenhundredandthree147,258onehundredforty-seventhousand,twohundredandfifty-eight18,657,421eighteenmillion,sixhundredandfifty-seventhousand,fourhundredandtwentyone這類數(shù)字hundred,thousand,million,billion等詞一般都用單數(shù)形式。hundreds等可泛指數(shù)量多Hundredsofbuildingshavesprungupthisyear.Hediedinhisforties.他四十多歲就死了。Thistookplaceinthe1930s.這事發(fā)生在20世紀(jì)30年代。IwasworkinginSingaporeinthe60rs.60年代時我在新加坡工作。6,常見公式3+3=6,threeplusthreeissix6-3=3sixminusthreeisthree3x3=9threetimes/multipliedby3is9.9/3=3nineover/dividedby3is3

16:4=4theratioof16to4is47,theearthis49timesthesizeofthemoon.二Theearthis48timeslargerthanthemoon.(常用的名詞有size,height,weight,1ength,width,output,number,amount,value)二，序數(shù)詞表示第幾的詞,與上面基數(shù)相對的序數(shù)詞如下1first2second1first2second3third4fourth11eleventh12twelfth13thirteenth14fourteenth20twentieth30thirtieth40fortieth50fiftieth5fifth15fifteenth5fifth15fifteenth6sixth7seventh8eighth9ninth10tenth16sixteenth17seventeenth18eighteenth19nineteenth60sixtieth70seventieth80eightieth90ninetieth1,基數(shù)詞變成序數(shù)詞JT9大部分是加TH,幾十去Y加ieth,5fifth15fifteenth6sixth7seventh8eighth9ninth10tenth16sixteenth17seventeenth18eighteenth19nineteenth60sixtieth70seventieth80eightieth90ninetieth4,序數(shù)詞常縮寫成數(shù)字和末尾兩字母first1st,twentieth20thtwenty-first21st,5,分?jǐn)?shù)表示法2/3讀作twothirds表示分?jǐn)?shù)時，分子須用基數(shù)詞，分母用序數(shù)詞。分子如是1以上，分母需用復(fù)數(shù)形式。但現(xiàn)在傾向于用OVER,尤其是較復(fù)雜的分?jǐn)?shù)27/283讀作27over2836,小數(shù)的讀法1.25onepointtwofive三量詞量詞不是一種詞類，它也包含某