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1、Unit4WhenisEaster?BLet’slearnLearninggoals1.能够听、说、读、写五个序数词：12th(twelfth),20th(twentieth),21st(twenty-first),23rd(twenty-third),30th(thirtieth)。2.能够在语境中正确运用序数词。3.能够提问和回答有关生日日期的内容。1stonetwothreefourfivefirstsecondthirdfourthfifth2nd3rd4th5th12345说出下列单词的序数词Whoarethey?Whatarethesepituersabout?Bi
2、rthdayWhataretheytalkingabout?BirthdayWhenisyourbirthday?It’sonAugust21st.Whenisgrandpa’sbirthday?It’sonOctober12th.Whenisgrandma’sbirthday?It’sonApril20th.WhenisDad’sbirthday?It’sonNovember30th.WhenisMum’sbirthday?It’sonFebruary23rd.twelfthtwentiethtwenty-thirdthirtiethtwenty-firstWhat’smis
3、singtwelfthtwenty-first22nd30ththirtieth12th20thtwenty-third21stOctober24thSept.21stJuly12thJune23rdtwenty-twotwenty-second基变序，有规律：一般都是在基数词的末尾加上th发音
4、θ
5、特殊情况：123单独记，8减t，9减e，ve来把f替，y改i再加e，末尾th莫忘记。若是遇到几十几，只变个位就可以。基数词：1，2，3……序数词：第一，第二，第三……twentytwentieth20ththirtythirtieth30th全变123一般是在基数词的末尾加thf变
6、ve八减t，九减ey改i再加e基数词序数词序数词缩写onefirst1sttwosecond2ndthreethird3rdfourfourth4thsevenseventh7thfivefifth5thtwelvetwelfth12theighteighth8thnineninth9th末尾th莫忘记LookandwriteWhenisyourbirthday?Mybirthdayison….GuessWhenismybirthday?WhosebirthdayisinJune?Whenisyourbirthday?Whatwillyourmotherdoforyourbir
7、thday?Whoisshe/he?Doyouwanttoaskanyquestions?Pairwork:grandpa’sbirthday?grandpa’sbirthday?Whenisyourfather’sbirthday?mother’sbirthday?uncle’sbirthday?…’sbirthday?It’son____.Herbiethdayison___.Hisbiethdayison___.Writingpractice:Myfamilies’birthdayIhavehappyfamily.Mygrandpa’sbirthdayison____.M
8、ygrandma’sbirthdayison___.Myfather’sbirthdayison_____.Mymother’sbirthdayison____.Myuncle’sbirthdayison_____.一、写出下列单词的完全形式(1)12th(2)20th(3)30th(4)21st(5)23rd(1)twelfth(2)twentieth(3)thirtieth(4)twenty-first(5)twenty-third1.is,when,birthday,your,brother’s(?)2.uncle’s,my,in,is,July,birthday(.)3
9、.is,December12th,on,birthday,ZhangPeng’s(.)Whenisyourbrother’sbirthday?Myuncle’sbirthdayisinJuly.ZhangPeng’sbirthdayisonDecember12th.二、Putthewordinrightorder.(连词成句)Thankyou
