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1、Li Jianxia2014.12.17Lead inLets sing the song:Happy birthday to you!序数序数词词:表示事物表示事物顺顺序的序的词词,其前常加定冠其前常加定冠词词the。数字数字序数序数词变词变化化规则规则例例词词1、2、3 特殊特殊记记One first 第一第一 two second 第二；第二；Three third 第三第三419 基数基数词词词词尾加尾加-th特殊：特殊：fivefifth第五；第五；eight eighth 第八；第八；nineninth 第九第九twelve twelfth 第十二第十二一般：一般：fourfour
2、th 第四第四 nineteen nineteenth 第十九第十九20,3040,50,60,70,80,90-ty变为变为-tie再加再加thtwenty twentieth 第二十第二十thirty thirtieth 第三十第三十forty fortieth 第四十第四十fifty fiftieth 第五十第五十sixty sixtieth 第六十第六十seventy seventieth 第七十第七十eighty eightieth 第八十第八十ninety ninetieth 第九十第九十其余两其余两位数位数将相将相应应基数基数词词的个位改的个位改为为基数基数词词twenty-on
3、e twenty-first 第二十第二十一；一；thirty-nine thirty-ninth第第三十九；三十九；forty-six forty-sixth 第四十六第四十六【记忆口诀记忆口诀】基变序，有规律，加上基变序，有规律，加上-th莫迟疑。莫迟疑。一、二、三特殊记，结尾跟着一、二、三特殊记，结尾跟着t,d,d。八去八去t,九去九去e,y结尾变结尾变ie。five、twelve俩兄弟，常以俩兄弟，常以f代代ve。遇到几十几，只变个位就可以。遇到几十几，只变个位就可以。序数词表顺序，一般须加定冠词。序数词表顺序，一般须加定冠词。Listen and repeat.2a1st2nd3rd
4、4th5th6th7th8th9th10th 11th12th13th14th15th16th17th 18th 19th20th21st22nd23rd24th25th 26th 27th28th29th30th31stListen and circle the numbers you hear in 2a.2b1st2nd 3rd4th5th6th7th8th9th10th 11th12th13th14th15th16th17th 18th 19th20th21st22nd23rd24th25th 26th 27th28th29th30th31stName Month DateAlice
5、July 4thFrank August 22ndEric January 5thJane September 17th Listen again.Match the names,months and dates.2c2dPairworkTake about the childrens birthday in 2c.Then ask your partner about the birthdays in his or her family.When is Alices birthday?Her birthday is on September 5th.AlicePracticeWhen is
6、_s birthday?Her/His birthday is on.FrankEricJaneWhen is s birthday?Her/His birthday is on .Its on.When is your fathers birthday?His birthday is on.When is your _s birthday?His/Her birthday is on.Read the dialogue in 2e.Then match the things with the right places.Bill Age年龄年龄AlanBirthday 生日生日 twelvet
7、hirteenin Augustthis afternoonBill:Hi,Alan.Happy birthday!Alan:Thank you,Bill.Bill:So,how old are you,Alan?Alan:Im twelve.How old are you?Bill:Im thirteen.Alan:When is your birthday?Bill:My birthday is in August.Alan:Well,do you want to come to my birthday party?Bill:Oh,yes.When is it?Alan:At three this afternoon.Bill:OK,great.See you!PairworkRole-play the conversation.2e1.Remember the words we have learned today.2.Make some conversations about ones birthday party.