口诀 | 解说 | 举例 |
基变序,有规律,后面th加上去。 | 在数词后面加th(发音为[θ])。 | four → fourth six → sixth seven → seventh ten → tenth eleven → eleventh thirteen → thirteenth fourteen → fourteenth fifteen → fifteenth sixteen → sixteenth seventeen → seventeenth eighteen → eighteenth nineteen → nineteenth |
一二三,特殊记,后面字母st, nd, rd。 | one, two, three特殊变。 | first,second,third |
八去t,九去e。整数中的y要变成ie | eight去掉t,nine去掉e。twenty去掉y变成twentieth | eight → eighth nine → ninth twenty → twentieth thirty → thirtieth forty → fortieth fifty → fiftieth sixty → sixtieth seventy → seventieth eighty → eightieth ninety → ninetieth |
f 来把ve替。 | five和twelve的ve要变成f 。 | five→ fifth twelve→ twelfth |
若是遇到几十几,只变个位就可以。 | 两位数或两位以上数字只变个位。 | twenty-one → twenty-first twenty-two → twenty-second twenty-three → twenty-third twenty-four → twenty-fourth thirty-three→thirty-third |
序数词前要加the 我们一定要牢记。 | 序数词前必须加the(上述原则中的除外) | the first day |
—_______. And we just had a party for his _______ birthday last weekend.
—______. And we just had a special birthday party for his _____ birthday last Sunday.
—You mean the football match will be held in __________?
— About ________ kilometers.
found, nine, season, band, all kinds of |