序数词


序数词

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序数词【序数词】序数词是数词的一种,主要在英语语法中讲到,在汉语中表示为“第几” 。此外,在生日中,描述你出生的日期时,也会用到序数词 。比如:May-first (5月1日)
基本介绍中文名:序数词
外文名:Ordinal Numbers
所属:数词的一种
汉语表述:汉语中表示为“第几”
定义英语上数词分为两大类:基数词和序数词 。序数词是指表示顺序的数词记忆口诀基变序,有规律,词尾加上“th” 。一,二,三(first、second、third)特殊记;从4开始上th;5变ve改f(fifth),8去t(eighth),9减e(ninth);几十尾巴ty变tie,后面跟上th(twentieth);几十几,头不变,尾巴变,中间记得加个槓(twenty-fourth);遇到特殊要除外(twenty-first);1至100序数词:第1 first 1st第2 second 2nd第3 third 3rd第4 fourth 4th第5 fifth 5th第6 sixth 6th第7 seventh 7th第8 eighth 8th第9 ninth 9th第10 tenth 10th第11 eleventh 11th第12 twelfth 12th第13 thirteenth 13th第14 fourteenth 14th第15 fifteenth 15th第16 sixteenth 16th第17 seventeenth 17th第18 eighteenth 18th第19 nineteenth 19th第20 twentieth 20th第21 twenty-first 21st第22 twenty-second 22nd第23 twenty-third 23rd第24 twenty-fourth 24th第25 twenty-fifth 25th第26 twenty-sixth 26th第27 twenty-seventh 27th第28 twenty-eighth 28th第29 twenty-ninth 29th第30 thirtieth 30th第31 thirty-first 31st第32 thirty-second 32nd第33 thirty-third 33rd第34 thirty-fourth 34th第35 thirty-fifth 35th第36 thirty-sixth 36th第37 thirty-seventh 37th第38 thirty-eighth 38th第39 thirty-ninth 39th第40 fortieth 40th第41 forty-first 41st第42 forty-second 42nd第43 forty-third 43rd第44 forty-fourth 44th第45 forty-fifth 45th第46 forty-sixth 46th第47 forty-seventh 47th第48 forty-eighth 48th第49 forty-ninth 49th第50 fiftieth 50th第51 fifty-first 51st第52 fifty-second 52nd第53 fifty-third 53rd第54 fifty-fourth 54th第55 fifty-fifth 55th第56 fifty-sixth 56th第57 fifty-seventh 57th第58 fifty-eighth 58th第59 fifty-ninth 59th第60 sixtieth 60th第61 sixty-first 61st第62 sixty-second 62nd第63 sixty-third 63rd第64 sixty-fourth 64th第65 sixty-fifth 65th第66 sixty-sixth 66th第67 sixty-seventh 67th第68 sixty-eighth 68th第69 sixty-ninth 69th第70 seventieth 70th第71 seventy-first 71st第72 seventy-second 72nd第73 seventy-third 73rd第74 seventy-fourth 74th第75 seventy-fifth 75th第76 seventy-sixth 76th第77 seventy-seventh 77th第78 seventy-eighth 78th 第79 seventy-ninth 79th第80 eightieth 80th第81 eighty-first 81st第82 eighty-second 82nd第83 eighty-third 83rd第84 eighty-fourth 84th第85 eighty-fifth 85th第86 eighty-sixth 86th第87 eighty-seventh 87th第88 eighty-eighth 88th第89 eighty-ninth 89th第90 ninetieth 90th第91 ninety-first 91st第92 ninety-second 92nd第93 ninety-third 93rd第94 ninety-fourth 94th第95 ninety-fifth 95th第96 ninety-sixth 96th第97 ninety-seventh 97th第98 ninety-eighth 98th第99 ninety-ninth 99th第100 one hundredth 100th多位序词:由基数词的形式变结尾部分为序数词形式来表示 。one hundred and twenty-first 第一百二十一one thousand three hundred and twentieth 第一千三百二十two hundred and fifty-second 第二百五十二缩写有时,序数词可以用缩写形式来表示 。主要缩写形式有:first——1stsecond——2ndthird——3rdfourth——4thsixth——6thtwentieth——20thtwenty-third——23rd其中1st,2nd,3rd为特殊形式,其它的都是阿拉伯数字后加th 。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画 。(作定语)She is the second in our class.在我们班她是第二名 。(作表语)注:序数词在使用时,通常前面要加定冠词the;但是如果序数词前出现不定冠词a或an时,则表示“再......”,“又......” 。We'll go over it a second time. 我们再念第二遍 。We've tried it three times.Must we try it a fourth time? 我们已经试过三遍了,还必须再试一次(第四次)吗?方法举例506房:Room 506第二中学:No.2 Middle School第五课:lesson 5第123页:Page 1237路公共汽车:Bus No.7不用the的情况在英语中,使用序数词时前面要加定冠词 the,但是,在下面的情况下则不加 the:1.当序数词前有形容词性物主代词或名词所有格修饰时,序数词前不用 the 。Mother was my first teacher in my life.妈妈是我生命中的第一个老师 。Tom is Lily's third boyfriend. 汤姆是莉莉的第三个男朋友 。2.当表达分数时,序数词前不用 the 。One fifth of the students here are from the country. 这儿1/5的学生来自农村 。Three fourths of the students here are from the country. 这儿的3/4的学生来自农村 。3.当表达“又一,再一”时,序数词前不用 the,但可加不定冠词 。Please give me a second chance. 请再给我一次机会 。The poor woman had a third baby. 那个可怜的妇女又生了第三个宝宝 。4.当表达“年月日”时,序数词前不用