序数词

序数词基数词(表示个数的词)1-one一个2-two两个3-three三个4-four四个5-five五个9-nine九个12-twelve十二个20-twenty二十个21-twenty-one二十一个30-thirty三十个first(1st)第一ninth(9th)第九second(2nd)第二fourth(4th)第四third(3rd)第三thirtieth(30th)第三十twenty-first(21st)第二十一twentieth(20th)第二十fifth(5th)第五twelfth(12th)第十二序数词(表示顺序的词)表示次序的数词叫序数词，它是由基数词变化而来的。序数词一般是由基数词后加-th变化而来。four（四）---fourth(4th)第四six（六）---sixth(6th)第六seven（七）---seventh(7th)第七ten（十）---tenth(10th)第十eleven（十一）---eleventh(11th)第十一thirteen（十三）---thirteenth(13th)第十三fourteen（十四）---fourteenth(14th)第十四fifteen（十五）---fifteenth(15th)第十五sixteen（十六）---sixteenth(16th)第十六seventeen（十七）---seventeenth(17th)第十七eighteen（十八）---eighteenth(18th)第十八nineteen（十九）---nineteenth(19th)第十九one(一)-----first(第一)two(二)---second(第二)three(三)----third(第三)几个特殊变化的序数词five(五)--fifth(第五)twelve(十二)--twelfth(第十二)eight(八)----eighth(第八)nine(九)----ninth(第九)整十的序数词把y变成i加-eth1twenty(二十)----twentieth(第二十)2thirty(三十)----thirtieth(第三十)3forty(四十)----fortieth(第四十)4fifty(五十)-----fiftieth(第五十)5你能写出sixtyseventyeightyninety的序数词吗？你对了吗？1.Sixty----sixtieth2.seventy---seventieth3.eighty----eightieth4,ninety----ninetieth几十几的序数词，十位数不变，个位数变成序数词。1.twenty-one21(二十一)twenty-first21st(第二十一)2.thirty-two32(三十二)thirty-second32nd(第三十二)3.ninety-nine99(九十九)ninety-ninth99th(第九十九)4.请写出66834855的序数词。你做对了吗？sixty-six-----sisty-sixtheighty-three----eight-thirdforty-eight-----forty-eighthfifty-five----fifty-fifth基数词变序数词的口诀基变序，有规律词尾加上th，(fourth,sixth)一、二、三，特殊例结尾字母t,d,d(first,second,third)八去t，九去e(eighth,ninth)ve要用f替(fifth,twelfth)ty将y改成i(twenty----twentieth)th前面有个e(fifty---fitieth)若要碰到几十几前用基来后用序(twenty-four--twenty-fourth)基变序，有规律；词尾加上thfour（四）---fourth(4th)第四six（六）---sixth(6th)第六seven（七）---seventh(7th)第七ten（十）---tenth(10th)第十eleven（十一）---eleventh(11th)第十一一、二、三，特殊例结尾字母t,d,done(一)-----first(第一)two(二)---second(第二)three(三)----third(第三)八去t，九去e；ve要用f替eight(八)----eighth(第八)nine(九)----ninth(第九)ty将y改成i；th前面有个etwenty(二十)----twentieth(第二十)thirty(三十)----thirtieth(第三十)forty(四十)----fortieth(第四十)fifty(五十)-----fiftieth(第五十)若要碰到几十几；前用基来后用序1.twenty-one21(二十一)twenty-first21st(第二十一)2.thirty-two32(三十二)thirty-second32nd(第三十二)3.ninety-nine99(九十九)ninety-ninth99th(第九十九)Monthsoftheyear基数词OneTwoThreeFourFiveSixSevenEightNineTen序数词FirstSecondThirdFourthFifthSixthSeventhEighthNinthTenthJanuaryFebruaryMarchAprilJanuaryFebruaryJanuaryMarchAprilFebruaryMarchAprilJanuaryFebruaryMarchAprilMayJuneJulyAugustMayJuneJulyAugustSeptemberOctoberNovemberDecemberSeptemberOctoberNovemberDecemberMonth月份一月份＝Jan.=January二月份＝Feb.=February三月份＝Mar.=March四月份＝Apr.=April五月份＝May=May六月份＝Jun.=June七月份＝Jul.=July八月份＝Aug.=August九月份＝Sept.=September十月份＝Oct.=October十一月份＝Nov.=November十二月份＝Dec.=December1st-31th第1first第2second第3third第4fourth第5fifth第6sixth第7seventh第8eighth第9ninth第10tenth第11eleventh第12twelfth第13thirteenth第14fourteenth第15fifteenth第16sixteenth第17seventeenth第18eighteenth第19nineteenth第20twentieth第21twenty-first第22twenty-second第23twenty-third第24twenty-fourth第25twenty-fifth第26twenty-sixth第27twenty-seventh第28twenty-eighth第29twenty-ninth第30thirtieth第31thirty-first日期的表达dateWhat’sthedatetoday?It’sFebruarynineteenth.今天2月19号。What’sthedate?(11月15日)It’sNovember15th.It’s+月份+日期.10月5日8月15日9月10日12月21日1月20日3月30日Octoberfifth.MarchthirtiethAugustfifteenthDecembertwenty-firstSeptembertenthJanuarytwentiethWhat’sthedate?(11月15日)It’sNovember15th.It’s+月份+日期.2月5日3月10日9月12日5月8日1月22日5月30日Februaryfifth.MaythirtiethMarchtenthMayeighthSeptembertwelfthJanuarytwenty-secondWhat’sthedate?(11月15日)It’sNovember15th.It’s+月份+日期.4月16日8月3日2月22日7月2日9月18日10月6日What’sthedate?(11月15日)It’sNovember15th.It’s+月份+日期.12月1日8月13日2月10日7月6日9月4日10月15日5月4日8月8日9月2日7月19日1月6日12月10日写出下列词的序数词;one-(first)two-(second)three-(third)four-(fourth)five-(fifth)nine-(ninth)twelve-(twelfth)fifteen-(fifteenth)twenty-(twentieth)twenty-one-(twenty-first)写出下列日期;5.21(Maytwenty-first)10.1(Octoberfirst)6.1(Junefirst)12.25(Decembertwenty-fifth)8.19(Augustnineteenth)11.18(Novembereighteenth)1.1(Januaryfirst)3.30(Marchthirtieth)2.3(Februarythird)9.10(Septembertenth)Doyouknowhowmanydaysarethereinaweek?Seven.Sunday.Monday.Tuesday.Wednesday.Thursday.Friday.Saturday.Great!Sunday(Sun.)Sundayisthefirstdayoftheweek.Monday(Mon.)Mondayistheseconddayoftheweek.Tuesday(Tue.)Tuesdayisthethirddayoftheweek.Wednesday(Wed.)Wednesdayistheforthdayoftheweek.Thursday(Thur.)Thursdayisthefifthdayoftheweek.Friday(Fri.)Fridayisthesixthdayoftheweek.Saturday(Sat.)Saturdayistheseventhdayoftheweek.What’smissing?SaturdayFridayThursdayTuesdaySundayMondaySaturdayFridayThursdayWednesdaySundayMondaySaturdayFridayThursdayWednesdayTuesdayMondaySaturdayFridayWednesdayTuesdaySundayMondaySaturdayThursdayWednesdayTuesdaySundayMonday星期的表达Whatdayisittoday?It’sWednesday，Februarynineteenth.星期的表达Whatdayistomorrow?It’sThursday，Februarytwentieth.昨天yesterdayWhatdaywasyesterday?ItwasTuesday，Februaryeighteenth.MonthsoftheyearNewYear’sDay。JanuaryfirstisSpringFestivalisinJanuaryorFebruary.InternationalWorkers’DayisMayfirst.Children’sDayisJunefirst.庆祝六一儿童节ArmyDayisin.AugustTeachers’DayisSeptembertenth.NationalDayis.Octoberfirst_______ber_______ber_______ber_______ber_____