基數(shù)詞序數(shù)詞的表達(dá)和用法

數(shù)詞 Numerals 表示數(shù)目多少或順序多少的詞叫數(shù)詞 數(shù)詞分為基數(shù)詞和序數(shù)詞 表示數(shù)目多少的數(shù)詞叫基數(shù)詞 表示順序的數(shù)詞叫序數(shù)詞 什么叫數(shù)詞 2 1基數(shù)詞 cardinalnumber 1onetwothree4four5five6six7seven8eight9nine10ten 111213141516171819 eleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteen 2030405060708090100 twentythirtyfortyfiftysixtyseventyeightyninetyonehundred 基數(shù)詞的構(gòu)成 1 1 12 獨(dú)立成詞 onetwothreefourfivesixseveneightnineteneleventwelve2 13 19 由3 9 teen構(gòu)成 14 fourteen16 sixteen17 seventeen19 nineteen特殊拼寫 13 thirteen15 fifteen18 eighteen3 20 90 以 ty結(jié)尾 20 twenty30 thirty40 forty50 fifty60 sixty70 seventy80 eighty90 ninety4 21 99 兩位數(shù) 十位與個位之間有 21twenty one55fifty five99ninety nine5 101 999 三位數(shù) 百位與十位 個位之間加and 101onehundredandone840eighthundredandforty693sixhundredandninety three 5 29 7 hundred and 基數(shù)詞三位數(shù)的構(gòu)成 6 twenty nine 729 hundred and seven 03 5 hundred and 再來一個 7 three 503 hundred and five 基數(shù)詞三位數(shù)的構(gòu)成 8 hundred and 百位數(shù) 十 個位數(shù) fourhundredandthirty two onehundredandseventy eighthundredandsixty five onehundredandnine 109 432 170 865 作業(yè) 339 126 203 451 704 178 926 854 703 151 309 326 703 651 307 428 注 1 1000以上幾個的詞 每三位數(shù)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 百萬 第三個逗號前的數(shù)為billion 十億 第四個逗號前的數(shù)為trillion 萬億 888 888 888 888 888eighthundredandeighty eighttrillion eighthundredandeighty eightbillion eighthundredandeighty eightmillion eighthundredandeighty eightthousand eighthundredandeighty eight trillion tr lj n 萬億billion b lj n 十億million m lj n 百萬thousand a znd 千hundred h ndr d 百 29 431 500 7 6 thousand hundred million billion and 6 1 000以上數(shù)目 從右向左每三位用 分開 分別讀為thousand million billion千百萬十億 基數(shù)詞的構(gòu)成 12 基數(shù)詞的構(gòu)成 6500431729sixbillion fivehundredmillion fourhundredandthirty onethousand sevenhundredandtwenty nine fourthousand threehundredandtwenty one sevenmillion sixhundredandfiftyfourthousand threehundredandtwenty one 7 654 321 1 987 654 321 4321 4 321 onebillion ninehundredandeighty sevenmillion sixhundredandfifty fourthousand threehundredandtwenty one 1 hundredthousand 表示具體數(shù)字 millionbillion2 hundredsthousands 表示概數(shù) millionsbillions 三 基數(shù)詞的用法 數(shù)詞 several of the some many these thosehundredsof 基數(shù)詞的用法 1 表示具體數(shù)目 hundred thousand million不用復(fù)數(shù)表示不確定數(shù)目 用復(fù)數(shù) 即hundredsof 數(shù)百 thousandsof 數(shù)千 millionsof 數(shù)百萬 名詞復(fù)數(shù) 1 Ourcountryhasapopulationof1 300millionpeople 2 Thereareseveralthousandstudentsinourschool 3 Afterthewar thousandsofpeoplebecamehomeless 作業(yè) 7046534210 178346790 1254321307 4283216547 6704653421 817034679 3120432130 9428320654 warmingup1 tresswereplantedonthemountainlastyear A ThousandsofB ThousandofC FivethousandofD Fivethousands 2 ofthestudentsaregirlsinourclass A TwothreeB TwothreesC TwothirdsD Secondthree3 Whenwasheborn Hewasbornon A secondofOctoberB theOctoberthreeC OctoberthesecondD threeofOctober 18 1 Ifa 3 b 4 what stheanswertotheproblem a 2ab 1 theansweris A twentyeightB twenty eighthC twenty eight2 Inourschoolaboutfive studentsareabletosurftheInternet A hunderdofB hunderdsofC hundred 3 sheepwerekilledintheaccident A ThousandofB ThousandC Thousandsof4 Thereareovernine workersinthefactory but ofyoungpeoplehopetoworkinit A hundred0f hundredsB hundred hundredsC hundreds hundred 5 peopleintheworldaresendinginformationbye maileveryday A SeveralmillionB ManymillionsC SeveralmillionsD Manymillion A 1基數(shù)詞 cardinalnumber 序數(shù)詞的構(gòu)成 1 1 3 first second third 2 4 19 相應(yīng)基數(shù)詞 th fourth fifth sixth seventh eighth ninth tenth eleventh twelfth thirteenth fourteenth fifteenth sixteenth seventeenth eighteenth nineteenth 3 20 90 y變成ie th twentieth thirtieth fortieth fiftieth sixtieth seventieth eightieth ninetieth 4 21 99 只把個位的基數(shù)詞變成序數(shù)詞如twenty first ninety ninth5 序數(shù)詞縮寫 數(shù)字 最后兩字母如1st 2nd 3rd 4th 基變序 有規(guī)律 詞尾加上 th 一 二 三 特殊記 結(jié)尾字母t d d八去 t 九去 e f 要用ve替見 y 變成 i 和 e 詞尾加上 th 若是遇到幾十幾 只變個位就可以 序數(shù)詞縮寫記清楚 數(shù)字后跟兩字母 序數(shù)詞構(gòu)成規(guī)律 24 一 基數(shù)詞 序數(shù)詞 first second third fourth fifth sixth eighth ninth twelfth twentieth twenty first fortieth onehundredth onehundredandfifth onehundredandtwenty ninth nineteenth 練習(xí) 704653 11712 125 4280 16670465342 8170346791 4453216 94128654 作業(yè) 7046534210 178346790 1254321307 4283216547 6704653421 817034679 3120432130 9428320654 oneo clock tenpasttwo halfpastthree twentytofive aquarterpastfive aquartertoseven sevenfifty 表示在幾點(diǎn)鐘用介詞at 數(shù)詞的表示法 時(shí)間 1 It salready7 40now Whenwillthefilmstart Westillhavefiveminutes A AquartertosevenB AquartertoeightC Sevenpastforty five 月日年在1998年10月1日 數(shù)詞的表示法 年月日 onOctorberthefirst nineteenninety eight onAugusttheninth inMay twothousandandten 天日用on年月用in onOct 1st 1998 月日在8月9日 月年在2010年5月 1 Theaccidenthappenedon A April5 2001B 2001 April5C April2001 52 Iwasborn A inMarch8 1993B onJuly9 1994C onMay 1995 20世紀(jì)90年代 inthe1990s 1990 s 在他50多歲時(shí) inhisfifties 數(shù)詞的表示法 1 年代世紀(jì) inthe inone s 整十基數(shù)詞復(fù)數(shù)在某人幾十歲時(shí) nineteen nineties 2 基數(shù)詞 名詞 的合成形容詞作定語 中間有連字符 當(dāng)中的名詞用單數(shù) a3 year oldgirlaseven dayholiday 3 表計(jì)量 基數(shù)詞 度量單位 形容詞 Theclassroomis7meterslong 6meterswideand3metershigh 33 1 Therewillbemorechancesin centurythanin century A twenty one twentyB twenty first twentiethC thetwenty first thetwentieth2 Thecitychangedalot A in1980 sB inthe1980sC inthe1980 3 Hegraduatedin of century A thesixtieth twentyB sixty thetwentiethC hissixties thetwentieth4 Shegottheprize A inherfiftiesB infiftiesC inherfifty 5 Thewinneris Heisan boy A eight year old eightyearsoldB eightyearsold eight year oldC eight yearsold eight year old6 HecametoChina A attheageof20B whenheis20C atageof20 7 Theriverisabout A 6 000meterslongB 6 000 meters longC 6 000 meter long be 數(shù)詞 度量詞 形容詞 15 分子基數(shù)詞分母序數(shù)詞 onefifth 27 分子 1分母 s twosevenths 14 分子a分母quarter aquarter 34 threequarters 12 ahalf 13 threeandonethird 3 基數(shù)詞 and 分?jǐn)?shù) 數(shù)詞的表示法 分?jǐn)?shù)百分?jǐn)?shù) 80 基數(shù)詞 percent eightypercent 百分?jǐn)?shù) of 可數(shù)名詞復(fù)數(shù)謂語動詞用復(fù)數(shù)百分?jǐn)?shù) of 不可數(shù)名詞謂語動詞用單數(shù) SeventypercentofstudentsinourclassaregirlsOverseventypercentoftheearth ssurfaceiscoveredwithwater 1 ofthestudents boysinClassA Twothree areB Twothirds areC Twothirds is2 ofhermoney spentonclothes A Twothree areB Twothirds isC Twothird is3 theteachersinourschoolisaboutonehundred and ofthemarewomenteachers A Thenumberof twothirdsB Thenumberof twothirdC Anumberof twothirds 一個半小時(shí)兩個半小時(shí) twoandahalfhours twohoursandahalf oneandahalfhours onehourandahalf 數(shù)詞的表示法 半的表示法 1 Theboyalwaysstaystherefor A threeandhalfhourB threehourandahalfC threeandahalfhours2 Theoldmandrank beer A twobottlesandahalfB twoandahalfbottleC twobottleandahalf 一倍once 兩倍twice 三倍threetimes 三倍或以上基數(shù)詞 times 數(shù)詞的表示法 倍數(shù) Thisboxisfivetimesasbigasthatone Thisboxisfourtimesbiggerthanthatone A be 倍數(shù) as adj 原 as B A是B的 倍 A be 倍數(shù) adj 比 than B A比B 倍 1 Thisbuildingis thatbuilding A threetimeastallasB twicetallerthanC threetimesastalleras2 我的箱子比你的重六倍 Myboxis yours 2 Whatatable I veneverseensuchathingbefore Itisitislong A halfnotaswideasB widenotashalfasC nothalfaswideasD aswideasnothalf sixtimesheavierthan seventimesasheavyas C 一般編碼用名詞 基數(shù)詞207房三年級一班第五部分第一課3號汽車第一中學(xué) Room207ClassOneGradeThreePartfive thefifthpartLessonone thefirstlessonBusNo 3 theNo 3busNo 1MiddleSchool 數(shù)詞的表示法 編號 1 Mymotherlivesatonfloor A RoomSix thesecondB SixRoom secondC Roomsix twoD theroomsix thesecond A 1 小數(shù)的讀法小數(shù)點(diǎn)左邊的數(shù)通常按基數(shù)詞讀 若為三位以上的數(shù) 也可按編碼式讀法讀出 即將數(shù)字單個讀出 小數(shù)點(diǎn)右邊的數(shù)通常按編碼式讀法單個讀出 如 6 86sixpointeightsix14 15fourteenpointonefive 2 小數(shù)中 0 的讀法 0 在小數(shù)中通常讀作nought 英 或zero 美 也可讀作字母o 如 0 08 nought pointnoughteight或 zero pointzeroeight 小數(shù)表示法 6 5 11Sixplusfiveiseleven或Sixandfiveiseleven 11 6 5Elevenminussixisfive 或Sixfromelevenisfive 4 5 20Fourmultipliedbyfiveistwenty 或Fourtimesfiveistwenty 20 4 5Twentydividedbyfourisfive 或Fourintotwentygoesfive 3Threesquaredisnine 2Twocubediseight 加減乘除式的表達(dá)方法 2 3 表示 大約 接近 常用nearly about some almost around等 about700peoplesomefiftyyearsago表示 左右 用orsoInthepastfiveyearsorso 少于 用lessthanLessthan30yearsold不到30歲 多于 用morethan overMorethanayearagoover70yearsago 約數(shù)表示法 1 序數(shù)詞作定語 前面要加the Thefirsttruckiscarryingafoodbasket Johnlivesonthefifteenthfloor SheismyfirstEnglishteacher 2 有時(shí)加a an 再一 又一 的意思We llhavetodoitasecondtime ShallIaskhimathirdtime WhenIsatdown afourthmanrosetospeak Theyhadasecondchildin1988 序數(shù)詞的用法 48 選擇填空 1 Marchis monthofayear A athreeB thethirdC athird2 Wewillhaveameetingat8 05 A fivetoeightB eighttofiveC eightofive3 Eightpluseightis A sixteenB sixty fourC one4 Heisan boy A eightyearsB eight year oldC eight years old5 Wewillhavea walk A tenminutesB tenminutes C ten minutes B thethird C eightofive A sixteen B eight year old B tenminutes 6 Thewallis A fourmeterslongB fourmeterlongC four meterlong7 What sthedatetoday It s A MarchtheeightB