精灵酱酱儿
1到10的序数词：
first第一、second第二 、third第三、fourth第四、fifth第五
sixth第六 、seventh第七、eighth第八、ninth第九、tenth第十
1到10的基数词：
1 one、2 two、3 three、4 four 、5 five
6 six 、7 seven 、8 eight、9 nine 、10 ten
序数词句法功能：
序数词在句中可作主语、宾语、定语和表语。
The second is what I really need． 第二个是我真正需要的。（作主语）
He chooses the second． 他挑选了第二个。（作宾语）
We are to carry out the first plan． 我们将执行第一个计划。（作定语）
She is the second in our class．在我们班她是第二名。（作表语）
shirleycci
1到100序数词：1到20为：first、second、third、fourth、fifth、sixth、seventh、eighth、ninth、tenth、eleventh、twelfth、thirteenth、fourteenth、fifteenth、sixteenth、seventeenth、eighteenth、nineteenth、 twentieth21到40为：twenty-first、twenty-second、twenty-third、twenty-fourth、twenty-fifth、twenty-sixth、twenty-seventh、twenty-eighth、twenty-ninth、thirtieth、thirty-first、thirty-secondthirty-third、thirty-fourth、thirty-fifth、thirty-sixth、thirty-seventh、thirty-eighth、thirty-ninth、fortieth41到60为：forty-first、forty-second、forty-third、forty-fourth、forty-fifth、forty-sixth、forty-seventh、forty-eighth、forty-ninth、fiftieth、fifty-first、fifty-second、fifty-third、fifty-fourth、fifty-fifth、fifty-sixth、fifty-seventh、fifty-eighth、fifty-ninth、sixtieth61到80为：sixty-first、sixty-second、sixty-third、sixty-fourth、sixty-fifth、sixty-sixth、sixty-seventh、sixty-eighth、sixty-ninth、seventieth、seventy-first、seventy-second、seventy-thirdseventy-fourth、seventy-fifth、seventy-sixth、seventy-seventh、seventy-eighth、seventy-ninth、eightieth81到100为：eighty-first、eighty-second、eighty-third、eighty-fourth、eighty-fifth、eighty-sixth、eighty-seventh、eighty-eighth、eighty-ninth、ninetieth、ninety-first、ninety-secondninety-third、ninety-fourth、ninety-fifth、ninety-sixth、ninety-seventh、ninety-eighth、ninety-ninth、one hundredth扩展资料：序数词记忆歌诀：第1、2、3、12单独记第五第九均无e整十y变ie，然后再加-th整十带个是“基 + 序”； 其余直接加-th说明：序数词有两种写法：①用英语单词②用“阿拉伯数字+词尾-st/-nd/-r/-thfirst—1st eleventh—11th twenty-first—21stsecond—2nd twelfth—12th twenty-second—22nd third—3rdthirteenth—13th twenty-third—23rdfourth4—4th fourteenth—14th twenty—fourth 24th
