1-12月Copyright2004-2009版权所有盗版必究Copyright2004-2009版权所有盗版必究表示次序的数词叫序数词,是由基数词变化而来的。•1one-----first•2two------second•3three----third•4其余的序数词是由基数词后加-th变化而来。Copyright2004-2009版权所有盗版必究几个特殊变化的序数词•1five----fifth•2twelve----twelfth•3eight----eighth•4nine----ninthCopyright2004-2009版权所有盗版必究整十的序数词把y变成i加-eth•1twenty----twentieth•2thirty----thirtieth•3forty----fortieth•4fifty-----fiftieth•5你能写出sixtyseventyeightyninety的序数词吗?Copyright2004-2009版权所有盗版必究你对了吗?•1.Sixty----sixtieth•2.seventy---seventieth•3.eighty----eightieth•4,ninety----ninetiethCopyright2004-2009版权所有盗版必究几十几的序数词,十位数不变,个位数变成序数词。•1.twenty-one21----twenty-first21st•2.thirty-two32-----thirty-second32nd•3.ninety-nine99----ninety-ninth99th•4.请写出66834855的序数词。onetwothreefourfivesixseveneightninetenfirstsecondthirdfourthfifthsixthseventheighthninthtenth1st2nd3rd4th5th6th7th8th9th10theleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentyeleventhtwelfththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenthtwentieth11th12th13th14th15th16th17th18th19th20th基数词基数词序数词序数词1).1,2,3特殊记。2).8去t,9去e。3).5和12换ve。4).整十变y为ie。twenty-firsttwenty-secondtwenty-thirdthirtiethfortiethfiftiethsixtiethseventietheightiethninetiethonehundredth21st22nd23rd30th40th50th60th70th80th90th100th基数词序数词“二十以上末位序”twenty-onetwenty-twotwenty-threethirtyfortyfiftysixtyseventyeightyninetyonehundredonehundredandoneonehundredandfirst101st101Copyright2004-2009版权所有盗版必究date日期What’sthedatetoday?It’sOcctoberthefirst.10月1日Whatdateisittoday?11月16日•It’sNovemberthesixteenth.What’sthedatetoday?11月18日It’stheeighteenthofNovemberWhatdateisittoday?=What’sthedatetoday?11月1日It’sNovemberthefirst.=It’sthefirstofNovember.读出下列日期的英文表达法1.3月12日2.8月8日3.1月5日4.7月20日5.12月1日6.9月9日7.4月3日8.11月2日9.2月14日10.5月30日11.6月23日12.10月21日March12thAugust8thJanuary5thJuly20thDecember1stSeptember9thApril3rdNovember2ndFebruary14thMay30thJune23rdOctober21st下一页Mybirthdayison_______.November22ndWhenisyourbirthday?Copyright2004-2009版权所有盗版必究(1879.3.14-1955.4.)EinsteinHisbirthdayisMarch14th.Copyright2004-2009版权所有盗版必究•LuXun•HisbirthdayisSept.25th(1881.9.25-1936.10.19)It’sonSept.10th.It’sonJune1st.It’sonDec.25th.It’sonMarch8th.It’sonAugust1st.It’sonOctober1st.It’sonJanuary1st.It’sonMay1st.It’sonMarch12th.HappyChildren'sDay!Teacher’sday5.1Children’sDay10.1ChristmasDay1.1Women’sDay3.12ArmyDay9.10NationalDay8.1NewYear’sDay6.1LabourDay3.8Tree-plantingDay12.25