英语序数词
第一、二、三要全变,
one→first two→second three→third
其余把“th”加后边,
four→fourth ten→tenth hundred→hundredth …
“th”里有例外,
您需格外记明白,
8减“t”, eight→eighth
9去“e”, nine→ninth
字母“f”代“ve”,five→fifth twelve→twelfth
“ty”变成“tie”。
twenty→twentieth thirty→thirtieth …
附:练习题:把下列基数词变为序数词。
1.one 2.two 3.third 4.four 5.five 6.six 7.seven 8.eight 9.nine 10.ten 11.eleven 12.twelve 13.thirteen 14.fourteen 15.fifteen 16.sixteen 17.seventeen 18.eighteen 19.nineteen 20.twenty 21.twenty-one 22.thirty-four 23.sixty-five 24.ninety 25.one hundred
答案:
1.first 2.second 3.third 4.fourth 5.fifth 6.sixth 7.seventh 8.eighth 9.ninth 10.tenth 11.eleventh 12.twelfth 13.thirteenth 14.fourteenth 15.fifteenth 16.sixteenth 17.seventeenth 18.eighteenth 19.nineteenth 20.twentieth 21.twenty-first 22.thirty-fourth 23.sixty-fifth 24.ninetieth 25.one hundredth