安徽省亳州市風(fēng)華中學(xué)九年級英語《數(shù)詞》課件.ppt

數(shù)詞 數(shù)詞的考點(diǎn) 一 基數(shù)詞 序數(shù)詞 二 數(shù)詞的表示法 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 二 基數(shù)詞的讀法 1 百位和十位間用and連接 十位和個(gè)位間用 連接 threehundredandtwenty one 321 2 右往左數(shù) 三位一組 逗號隔開 依次是thousand 千 million 百萬 billion 十億 fourthousandthreehundredandtwenty one sevenmillion sixhundredandfiftyfourthousandthreehundredandtwenty one 7 654 321 1 987 654 321 4321 4 321 onebillionninehundredandeighty sevenmillion sixhundredandfifty fourthousandthreehundredandtwenty 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 some manyhundredsof 1 ifa 3 b 4 what stheanswertotheproblem a 2ab 1 theansweris a twentyeightb twenty eighthc twenty eight2 inourschoolseveral studentsareabletosearchtheinternet a hunderdofb hunderdsofc hundred 3 many sheepwerekilledintheaccident a thousandsofb thousandc thousands4 thereareovernine workersinthefactory but ofyoungpeoplehopetoworkinit a hundred hundredsb hundreds hundredsc hundreds hundred 月日年在2008年10月1日 四 數(shù)詞的表示法 年月日 onoctorberthefirst twothousandandeight onaugusttheninth inmay twothousandandten 有日用on無日用in onoct 1st 2008 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 在他50多歲時(shí) inhisfifties 四 數(shù)詞的表示法 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 1 therewillbemorechancesin centurythanin century a twenty one twentyb twenty first twentiethc thetwenty first thetwentieth2 thecitychangedalot a in1980sb inthe1980sc inthe1980 3 hegraduatedin of century a thesixtieth twentyb sixty thetwentiethc thesixties thetwentieth4 hegottheprize a inhisfiftiesb infiftiesc inhisfifty oneo clock tenpasttwo halfpastthree twentytofive aquarterpastfive aquartertoseven sevenfifty 表示在幾點(diǎn)鐘用介詞at 四 數(shù)詞的表示法 時(shí)間 1 it salready7 40now whenwillthefilmstart westillhavefiveminutes a aquartertosevenb sevenpastforty fivec aquartertoeight 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) 四 數(shù)詞的表示法 分?jǐn)?shù)百分?jǐn)?shù) 80 基數(shù)詞 percent eightypercent half 百 分?jǐn)?shù) of 可數(shù)名詞復(fù)數(shù)謂語動(dòng)詞用復(fù)數(shù)half 百 分?jǐn)?shù) of 不可數(shù)名詞謂語動(dòng)詞用單數(shù) 3 78 threepointseveneight 1 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 一個(gè)半小時(shí)兩個(gè)半小時(shí) twoandahalfhours twohoursandahalf oneandahalfhours onehourandahalf 四 數(shù)詞的表示法 半的表示法 1 theboyalwaysstaystherefor a oneandhalfhourb oneandahalfhourc oneandahalfhours2 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 四 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 c be 倍數(shù) adj 比 than d c比d 倍 1 thisbuildingis thatbuilding a threetimeastallasb twicetallerthanc threetimesastalleras2 我的箱子比你的重六倍 myboxis yours sixtimesheavierthan seventimesasheavyas 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 四 數(shù)詞的表示法 編號 thewinneris heisan boy a eight year old eightyearsoldb eightyearsold eight year oldc eight yearso