基数词与序数词 ppt课件.ppt

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1、12345678,OneTwoThreeFourFiveSixSevenEight,1,基数词,9101112,NineTenEleventwelve,（一）、一至十二的数:,（二）、十几的数:都是以-teenti:n结尾，,2,13141517161819,thirteenfourteenFifteenSixteenSeventeenEighteenNineteen,基数词,（三）、整十数都是以ty ti 结尾,2030405060708090,TwentyThirtyfortyfiftysixtyseventyeightyninety,3,基数词,(四)、几十几的数：,例： 32 thir

2、ty two thirty-second =32nd,点拨：几百几的数：先说“几百”再说“几十几”中间可用and（美式可略）即：百位数+hundred and+末尾数,Eg：235 tow hundred（and）thirtyfive =tow hundred and thirty-five =235,点拨：几十几的数：先说“几十”再说“几”中间用连字号“-” 即：“整十数+连字号+个位数”,4,基数词,1234567,First = 1st Second =2ndThird =3rdFourth =4thFifth = 5thSixth = 6thSeventh = 7th,5,序数词,(一

3、)、1-12的数：,8 9101112,OneTwoThreeFourFiveSixSeven,6,13141516171819,(二)、十几的数（即13-19的数）：,序数词,thirteenfourteenFifteenSixteenSeventeenEighteenNineteen,（二）、整十数都是以ty ti 结尾,2030405060708090,Twentieth =20thThirtieth =30thFortieth =40thFiftieth =50thSixtieth =60thSeventieth =70thEightieth =80thNinetieth =90th,7,序数词,TwentyThirtyfortyfiftysixtyseventyeightyninety,基变序歌诀：,基变序，很容易， 一、二、三，特殊记。Th要从四加起， 八去t ，九去e。F 来把ve替， ty改为tie，然后再加th。若是遇到几十几, 只变个位就可以。,8,基变序,