birthdaycakebirthdaycardbirthdaypresentsbirthdaypartyJanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberSpringMarchAprilMaySpringSummerSummerJulyAugustJuneAutumnAutumnSeptemberOctoberNovemberWinterWinterDecemberJanuaryFebruaryListenandrepeat.MONTHS1.JanuaryJan.2.FebruaryFeb.3.MarchMar.4.AprilApr.5.MayMay6.JuneJun.7.JulyJul.8.AugustAug.9.SeptemberSep.10.OctoberOct.11.NovemberNov.12.DecemberDec.1aWhenisyourbirthday,Vera?MybirthdayisOctobertenth.1Whenisyourbirthday,Mary?MybirthdayisJanuaryfifteenth.23Whenisyourbirthday,Jeff?MybirthdayisJunefourth.1b序数词•第一first1st•第二second2nd•第三third3rd•第四fourth4th•第五fifth5th•----•第二十twentieth20th•第三十thirtieth30th一.第1,第2,第3:first,second,third二.第4---第19:-th:fif-,eigh-,nin-twelf-三.第20--第90:yi+eth四.第21--第99:十位基数词__个位序数词基变序,有规律,词尾加上th.123特殊记,词尾字母t,d,d。8少t,9去e,f来把ve替。整十变y为ie,后跟th莫迟疑。若想表示几十几,只变个位就可以。fourthfivefifthsixthseventheighteighthnineninthtentheleventhtwelvetwelfththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenthtwenty-------twentiethTwenty–onetwenty---first请把下列基数词改成序数词:1.nine2.thirty3.forty-two4.twelve5.twohundredandeighty-eightninththirtiethforty-secondtwelfthtwohundredandeight-eighth按要求变换句子:1、MybirthdayisAugustfourth.(提问)isbirthday?2、Nickisthirteen.(提问)_______________isNick?WhenyourHowoldLet’spractice.