英语1-31的基数词和序数词急今晚要

　　基数词+序数词:
one[基数词].first〔序数词〕
two.second
three.third
four.fourth
five.fifth
six.sixth
seven.seventh
eight.eighth
nine.ninth
ten.tenth
eleven.eleventh
twelve.twelfth
thirteen.thirteenth
fourteen.fourteenth
fifteen.fifteenth
sixteen.sixteenth
seventeen.seventeenth
eighteen.eighteenth
nineteen.nineteenth
twenty.twentieth
twenty-one.twenty-first
twenty-two.twenty-second
twenty-three.twenty-third
twenty-four.twenty-fourth
twenty-five.twenty-fifth
twenty-six twenty-sixth
twenty-seven.twenty-seventh
twenty-eight.twenty-eighth
twenty-nine.twenty-ninth
thirty.thirtieth
thirty-one thirty-first
基数词变序数词的规律是一般直接+th。 ve结尾的变f再加th

two.second three.third four.fourth five.fifth six.sixth seven.seventh eight.eighth nine.ninth ten.tenth eleven.eleventh twelve.twelfth thirteen.thirteenth fourteen.fourteenth fifteen.fifteenth sixteen.sixteenth seventeen.seventeenth eighteen.eighteenth nineteen.nineteenth twenty.twentieth twenty-one.twenty-first twenty-two.twenty-second twenty-three.twenty-third twenty-four.twenty-fourth twenty-five.twenty-fifth twenty-six twenty-sixth twenty-seven.twenty-seventh twenty-eight.twenty-eighth twenty-nine.twenty-ninth thirty.thirtieth thirty-one thirty-first

基数词+序数词:one[基数词].first〔序数词〕 two.second three.third four.fourth five.fifth six.sixth seven.seventh eight.eighth nine.ninth ten.tenth eleven.eleventh twelve.twelfth thirteen.thirteenth fou...

基数词 序数词
one. first
two. second
three. third
four. fourth
five. fifth
six. sixth
seven. seventh
eight. eighth
nine. ninth
ten. tenth
eleven. eleventh
twelve .twelfth
thirteen. thirteenth
fourteen. fourteenth
fifteen. fifteenth
sixteen. sixteenth
seventeen. seventeenth
eighteen. eighteenth
nineteen. nineteenth
twenty .twentieth
twenty-one .twenty-first
twenty-two. twenty-second
twenty-three. twenty-third
twenty-four. twenty-fourth
twenty-five. twenty-fifth
twenty-six twenty-sixth
twenty-seven .twenty-seventh
twenty-eight. twenty-eighth
twenty-nine. twenty-ninth
thirty .thirtieth
thirty-one thirty-first
基数词变序数词的规律是一般直接+th。 ve结尾的变f再加th