基数词与序数词课件精编版PPT推荐.ppt

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

2、thirty 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）、1-

3、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,