1到20的英语单词序数词

firstsecondthirdfourthfifthsixthseventheighthninthtentheleventhtwelfththirteenthfourteenthfifteenths

first(1st)第一second(2nd)第二third(3rd)第三fourth(4th)第四fifth(5th)第五sixth(6th)第六seventh(7th)第七eighth(8th)第

第1first（下面为第二第三以此类推省略了“第”）2second3third4fourth5fifth6sixth7seventh8eighth9ninth10tenth11eleventh12tw

1one2two3three4four5five6six7seven8eight9nine10ten11eleven12twelve13thirteen14fourteen15fifteen16six

基数词：one(1)two(2)three(3)four(4)five(5)six(6)seven(7)eight(8)nine(9)ten(10)eleven(11)twelve(12)thirte

第1first1st第2second2nd第3third3rd第4fourth4th第5fifth5th第6sixth6th第7seventh7th第8eighth8th第9ninth9th第10te

第1first1st　　第2second2nd　　第3third3rd　　第4fourth4th　　第5fifth5th　　第6sixth6th　　第7seventh7th　　第8eighth8th　

1one2two3three4four5five6six7seven8eight9nine10ten11eleven12twelve13thirteen14fourteen15fifteen16six

onefirst\\twosecond\\threethird\\fourfourth\\fivefifth\\sixsixth\\sevenseventh\\eighteighth\\ninenin

序数词：第1first第2second第3third第4fourth第5fifth第6sixth第7seventh第8eighth第9ninth第10tenth第11eleventh第12twelft

fifth序数词是数词的一种,主要在英语语法中讲到,在汉语中表示为“第几”.此外,在生日中,描述你出生的日期时,也用到了序数词.比如：Mayfirst（5月1日）.基数词变序数词,有规律,词尾加上-t

firstsencondthirdforthfifthsixthseventheigthninthtentheleventhtwelveththirteenthforteenthfifteenthsi

twentieth20thtwenty-first21sttwenty-second22ndtwenty-third23rdtwenty-fourth24thtwenty-fifth25thtwent

first(1st)第一second(2nd)第二third(3rd)第三（在括号里的是缩写形式,均在阿拉伯数字后面加上相应序数词的最后两个字母构成,以下各类与此相同.）这类序数词只有三个,在整个序数

第1first1st　　第2second2nd　　第3third3rd　　第4fourth4th　　第5fifth5th　　第6sixth6th　　第7seventh7th　　第8eighth8th　

第1first第2second第3third第4fourth第5fifth第6sixth第7seventh第8eighth第9ninth第10tenth第11eleventh第12twelfth第13

第1first第2second第3third第4fourth第5fifth第6sixth第7seventh第8eighth第9ninth第10tenth第11eleventh第12twelfth第13

基数词：1one2two3three4four5five6six7seven8eight9nine10ten11eleven12twelve13thirteen14fourteen15fifteen1

第1first第2second第3third第4fourth第5fifth第6sixth第7seventh第8eighth第9ninth第10tenth第11eleventh第12twelfth第13

firstsecondthirdfourthfifthsixthseventheighthninthtenth