2023学年完整公开课版Unit4BLetslearn

Unit4WhenisEaster?PBLet’slearnLet’swatchWhenisKen’sbirthday?It’sonJuly10th.101st2nd3rd4th5th6th7th8th9th10thLookatthestars.Doyouknowthemwell?Whoarethey?Let’slearnYangMiisanactress.Whenisherbirthday?It’sonSeptember12th.12th/twelfθ/twelfth基数词twelve序数词twelfth

“基”变“序”，有规律ve要用f替,再加thLet’slearnHowoldisLuHan?Whenishisbirthday?It’sonApril20th.20th/'twentɪəθ

/twentieth基数词twenty序数词twentieth

“基”变“序”，有规律

整十先把词尾y改为ie,再加thLet’slearnIssheanactress?Whenisherbirthday?It’sonJanuary30th.30th/'θɜ:tɪəθ/thirtieth基数词thirty序数词thirtieth

“基”变“序”，有规律

整十先把词尾y改为ie,再加thLet’slearnWangJunkaiisasinger.Whenishisbirthday?It’sonSeptember21st.21st/ˌtwenti'fə:st/twenty-first基数词twenty-one序数词twenty-first

“基”变“序”，有规律

表示“第几十几”，只变个位就可以Howoldishe?Let’slearnSunYanziisapopsinger.Whenisherbirthday?It’sonJuly23rd.23rd/ˌtwentɪ'θɜ:d/twenty-third基数词twenty-three序数词twenty-third

“基”变“序”，有规律

表示“第几十几”，只变个位就可以She’sfromSingapore.用英语表达日期时，一般由月份加上序数词来表示简写形式thirtieth30th

twenty-first21sttwentieth20thtwelfth12thtwenty-third23rd

用英语表达日期时，一般由“月份+序数词的简写形式”来表示,如6月21日写成June21st，读作June(the)21st。序数词序数词的简写形式由阿拉伯数字加上序数词的最后两个字母构成。Yifanistalkingabouthisfamily’sbirthdayswithRobin.（）（）（）（）（）12345listenListenandorderListenandtranslate

听音，快速说出对应的日期。date日期Oct.12thApr.20th过目不忘Feb.23rdAug.21stNov.30thJune22nd8月21日4月20日11月30日2月23日10月12日Aug.21stApr.20thNov.30thFeb.23rdOct.12th译一译

Whenis______birthday?

It’son______.Role-playtwentytwenty-three基数词序数词1220212223twelvetwenty-onetwenty-twotwelfthtwentiethtwenty-firsttwenty-secondtwenty-third12th20th21st22nd23rd简写??Summarythirty基数词序数词3031thirty-onethirtieththirty-first30th31st简写??forty40fortieth40thfifty50fiftieth50th12th13th14th15th16th17th18th19th1st2nd

3rd4thLook,sayandwrite

序数词1-19的变化规律：1,2,3，要全变；其余末尾加上th。12th13th14th15th16th17th18th19th1st2nd

3rd4thLook,sayandwrite20th21st22nd23rd24th25th26th27th28th29th30th31st整十先把词尾y改为ie，再加th。要想表示几十几，只变个位就可以。Whenisyourbirthday?It’son….Askandanswer调查班级同学生日所在的月份，然后做报告。Thereare___studentsinourclass._____（数量）birthdaysarein____（月份）,and____birthdaysarein_____.____’sbirthdayand_____’sbirthdayareonthesame（相同的）day.Mygoodfriend_____’sbirthdayison____.DoasurveyandreportMonthJan.Feb.Mar.Apr.MayJun.