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《Module 2 Unit 3 We are going to have an English test -- 基数词如何变成序数词.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、基数词如何变序数词Module2Unit3WearegoingtohaveanEnglishtestWeusenumbersalmosteveryday.No.11BusNo.28ShangwuneihuanRoadNo.21playerPage2810yuanLet’sreadfrom0to9.012345zeroonetwothreefourfive6789sixseveneightnineCanyoureadthephonenumbers?Millie55532901_________________________Amy55586390_______________________
2、__Daniel55543986_________________________Sandy55520928_________________________Kitty55567395_________________________me55572118_________________________five,five,five,eight;six,three,nine,ofive,five,five,four;three,nine,eight,sixfive,five,five,two;o,nine,two,eightfive,five,five,six;seven,three,nin
3、e,fivefive,five,five,seven;two,one,one,eightfive,five,five,three;two,nine,o,oneLet’sreadfrom10to100.101112teneleventwelve13141516171819thirteenfourteenfifteensixteenseventeeneighteennineteen2030405060708090twentythirtyfortyfiftysixtyseventyeightyninety100onehundred212223twenty-onetwenty-twotwenty-
4、threeCanyoureadthenumbers?102(onehundredandtwo)139(onehundredandthirty-nine)13(thirteen)45(forty-five)33(thirty-three)82(eighty-two)91(ninety-one)14(fourteen)Canyoureadthenumbers?911715422554218ninehundredandelevensevenhundredandfifteenfourhundredandtwenty-twofivehundredandfifty-fourtwohundredande
5、ighteen基数词onetwothreefirstsecondthird序数词基数词onetwothreefourfivesixseveneightninetentwelvetwentytwenty-onetwenty-two序数词firstsecondthirdfourthfifthsixthseventheighthninthtenthtwelfthtwentiethtwenty-firsttwenty-second八去t九去e，字母f代ve若是碰到几十几，只变个位就可以整十变化要牢记，ty变成tie一二三要全变，其余th加后面firstsecondthirdeighthninthf
6、ifthtwelfthtwentiethfortiethtwenty-firsttwenty-second基数词变序数词基数词变序数词规律一二三要全变，其余th加后面;八去t九去e，字母f代ve；整十变化要牢记，ty变成tie；若是碰到几十几，只变个位就可以。基数词变序数词表示顺序的数词叫序数词。基数词变序数词的规则是：（1）大部分数词在词尾加th：如:fourth（第四）thirteenth（第十三）hundredth（第一百）（2）表示整十的基数词，变y为ie，再加eth;如：twentieth第二十eightieth第八十（3）特殊的序数词有:第一first,第二second，第三t
7、hird，第五fifth,第八eighth,第九ninth，第十二twelfth(4)要把一个“几十几”，“几百几”的基数词变成序数词，只需把个位数变成序数词。如:32---thirty-second256---twohundredandfifty-sixth(5)在表示编号的东西时，可以用基数词表示，也可用序数词表示如:thefirstlesson=LessonOnethesixthgrade=GradeSixThef
