人教PEP五年級英語下冊Unit32序數(shù)詞課件

1、copyright 2004-2009 版權(quán)所有 盜版必究（人教pep）五年級英語下冊課件copyright 2004-2009 版權(quán)所有 盜版必究copyright 2004-2009 版權(quán)所有 盜版必究表示次序的數(shù)詞叫序數(shù)詞，是由表示次序的數(shù)詞叫序數(shù)詞，是由基數(shù)詞變化而來的?；鶖?shù)詞變化而來的。 1 one -first 2 two-second 3 three-third 4 其余的序數(shù)詞是由基數(shù)詞后其余的序數(shù)詞是由基數(shù)詞后加加-th 變化而來。變化而來。copyright 2004-2009 版權(quán)所有 盜版必究幾個特殊變化的序數(shù)詞幾個特殊變化的序數(shù)詞1 five-fifth2 twelv

2、e-twelfth3 eight-eighth4 nine-ninth copyright 2004-2009 版權(quán)所有 盜版必究整十的序數(shù)詞把 y 變成 i加-eth 1 twenty-twentieth 2 thirty-thirtieth 3 forty-fortieth 4 fifty -fiftieth 5 你能寫出 sixty seventy eighty ninety 的序數(shù)詞嗎？copyright 2004-2009 版權(quán)所有 盜版必究你對了嗎？你對了嗎？1. sixty-sixtieth2. seventy-seventieth3.eighty-eightieth4,nine

3、ty-ninetiethcopyright 2004-2009 版權(quán)所有 盜版必究幾十幾的序數(shù)詞，十位數(shù)不變，個位數(shù)變成序數(shù)詞。 1. twenty-one 21-twenty-first 21st 2.thirty-two 32-thirty-second 32nd 3.ninety-nine 99-ninety-ninth 99th基數(shù)詞 序數(shù)詞 序數(shù)詞縮寫 one first 1st two second 2nd three third 3rd four fourth 4th six sixth 6th five fifth 5thtwelve twelfth 12theight eig

4、hth 8th nine ninth 9thtwenty twentieth 20ththirty thirtieth 30th 基數(shù)詞變序數(shù)詞的特點第一、二、三變單詞。一般是在基數(shù)詞的末尾加th.有的序數(shù)詞是把基數(shù)詞末尾ve 改為f再加th。有的序數(shù)詞是把基數(shù)詞一個字母去掉再加th。有的序數(shù)詞是把基數(shù)詞末尾 ty改為tie再加th。8(人教pep)五年級英語下冊unit3(2)序數(shù)詞 二二 三變單詞三變單詞,th從四上起從四上起.怎么加？真好記怎么加？真好記!八減八減t，九減，九減ef要把要把ve替，替，ty變?yōu)樽優(yōu)閠ie。9(人教pep)五年級英語下冊unit3(2)序數(shù)詞copyrigh

5、t 2004-2009 版權(quán)所有 盜版必究when is your birthday?its _ .copyright 2004-2009 版權(quán)所有 盜版必究日期的表達(dá)日期的表達(dá) datewhats the date today?its april 10th.wang guoqingwhen is wang guoqings birthday?whats the date?12(人教pep)五年級英語下冊unit3(2)序數(shù)詞copyright 2004-2009 版權(quán)所有 盜版必究when is childrens day?its june 1st.copyright 2004-2009 版權(quán)所有 盜版必究when is teachers day?its sept.10th.augustaugust15(人教pep)五年級英語下冊unit3(2)序數(shù)詞十.一 國慶節(jié)octoberoctober16(人教pep)五年級英語下冊unit3(2)序數(shù)詞christmas day december 25th17(人教pep)五年級英語下冊unit3(2)序數(shù)詞copyright 2004-2009 版權(quán)所有 盜版必究（ 1879.3.14-1955.4.)einsteineinsteinhis birthday ismarch 14th.copyright 2004-200