基数词和序数词.doc

基数词和序数词表示数目多少的词叫基数词:100以下的基本基数词100以上1-1011-1920-90100a/onehundred;1000a/onethousand;1,000,000a/onemillion;1,000,000,000a/onebillion(美)a/onethousandmillion(英)een10ten表示顺序的数次叫序数词:基本序数词的构成1stfirst11theleventh20thtwentieth30ththirtieth2ndsecond12thtwelfth21sttwenty-first40thfortieth3rdthird13ththirteenth22ndtwenty-second50thfiftieth4thfourth14thfourteenth23rdtwenty-third60thsixtieth5thfifth15thfifteenth24thtwenty-fourth70thsevenyieth6thsixth16thsixteenth25thtwenty-fifth80theightieth7thseventh17thseventeenth26thtwenty-ieth8theighth18theighteenth27thtwenty-eenth28thtwenty-eighty1,housangth10thtenth29thtwenty-ninth1,,000,000thonemillionth100,000,000thonebillionth注意:Hundredthousandmillion其前有具体数字时,用单数:。前无数词,模糊数字+s+of短语:’,它太成功了。基数词变序数词口诀:基变序,很容易,结尾加上th。一二三特殊记,结尾各是t,d,d。八去t,九去e,f来把ve替,y改为ie,结尾仍有th。若是遇到几十几,只变个位就可以。基数词的用法:基数词在句中可用作主语、宾语、表语、定语和同位语。主语: 。宾语:。定语:。表语:。Heisonlythree,andhecan’,不会穿衣服。同位语:。注意:1以上的基数词作定语时,它所修饰的名词要用复数形式:。。:、宾语、定语、表语。主语:。宾语:。定语:Wearecarry