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Unit4Whenistheartshow？人教PEP五年级下册BLet’slearnLet'schantJanuarybirthdayFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberbirthdaycakegiftspartyWhenis________________?It’son_________________Newyear’sDayJanuary1stAprilFool’sDayApril1stChildren’sDayJune1stChina’sNationalDayOctober1stMayDayMay1stFreetalktwelfth12thtwelfthtwelveWhenisGrandpa’sbirthday?It'sonOctober12th.把ve变成f再加th(第十二)Presentationtwentieth20thtwentiethtwentyWhenisGrandma’sbirthday?It'sonApril20th.把y变成ie再加thtwenty-third23rdtwenty-thirdtwenty-threeWhenisMum’sbirthday?It'sonFebruary23rd.几十几只变个位数thirtieth30ththirtieththirtyWhenisDad’sbirthday?It'sonNovember30th.把y变成ie再加thtwenty-first21sttwenty-firsttwenty-oneWhenisyourbirthday?It'sonAugust21st.几十几只变个位数Whenis______birthday?It'son_______.Listenandimitate20th30th12th21st23rd矮油，快来砸我呀twenty-thirdtwelfthtwenty-firstthirtiethtwentiethtwenty-thirdtwelfthtwenty-firstthirtiethtwentieth23rd12th21st30th20th大转盘Whenis_______birthday?It'son___________.Oct.12thApr.20thNov.30thFeb.23rdAug.21stOct.12thApr.20thNov.30thFeb.23rdAug.21stThisisWuYifan’sfamily.WuYifan’sbirthdayison_________.Aug.21st…同桌合作，根据图片提示做替换练习，创编对话。Lookandwrite基数词后面加上-th基数词后面加上-th整十的序数词由相应的基数词将词尾的y改为-iethTalk,circleandwrite!Whenisyourbirthday?MybirthdayisonMarch23rd.23rdIhaveabigfamilyandIlovethemverymuch.Mymother’sbirthdayisonApr.4th.Iwillmakeacakeforher.Myfather’sbirthdayisonNov.20th.Iwillgivehimagift.Mybrother’sbirthday…Talk,andwrite!基变序，有规律，词尾要加th；一、二、三特殊记，结尾字母t、d、d；八去t，九去e，ve要用f替；几十y结尾，把y改i，th前有个e；几十几，几百几十几等，只将个位变。SummaryUnit4Whenistheartshow?Blet’slearnWhenisGrandpa's/Grandma's...birthday?October12th.August21st.It'sonApril20th.February23rd.November30th.