基数词与序数词课件.ppt

1,1 2 3 4 5 6 7 8,One Two Three Four Five Six Seven Eight,基数词,9 10 11 12,Nine Ten Eleven twelve,（一）、一至十二的数:,2,（二）、十几的数:都是以-teenti:n结尾，,13 14 15 17 16 18 19,thirteen fourteen Fifteen Sixteen Seventeen Eighteen Nineteen,基数词,3,（三）、整十数都是以ty ti 结尾,20 30 40 50 60 70 80 90,Twenty Thirty forty fifty sixty seventy eighty ninety,基数词,4,(四)、几十几的数：,例： 32 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,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”,基数词,5,1 2 3 4 5 6 7,First = 1st Second =2nd Third =3rd Fourth =4th Fifth = 5th Sixth = 6th Seventh = 7th,序数词,(一)、1-12的数：,8 9 10 11 12,One Two Three Four Five Six Seven,6,13 14 15 16 17 18 19,(二)、十几的数（即13-19的数）：,序数词,thirteen fourteen Fifteen Sixteen Seventeen Eighteen Nineteen,7,（二）、整十数都是以ty ti 结尾,20 30 40 50 60 70 80 90,Twentieth =20th Thirtieth =30th Fortieth =40th Fiftieth =50th Sixtieth =60th Seventieth =70th Eightieth =80th Ninetieth =90th,序数词,Twenty Thirty forty fifty sixty seventy eighty ninety,8,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。,基变序,