4个回答
1~30序数词如下:
first、second、third、fourth、fifth、sixth、seventh、eighth、ninth、tenth;
eleventh、twelfth、thirteenth、fourteenth、fifteenth、sixteenth、seventeenth、eighteenth、nineteenth、twentieth;
twenty-first、twenty-second、twenty-third、twenty-fourth、twenty-fifth、twenty-sixth、twenty-seventh、twenty-eighth、twenty-ninth、thirtieth。
1~30的序数词的缩写如下:
1st,2nd,3rd,4th,5th,6th,7th,8th,9th,10th;11th,12th,13th,14th,15th,16th,17th,18th,19th,20th;21st,22nd,23rd,24th,25th,26th,27th,28th,29th,30th。
序数词的语法:
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。
例句:Mother was my first teacher in my life.妈妈是我生命中的第一个老师。
2、当表达分数时,序数词前不用 the。
例句:One fifth of the students here are from the country. 这儿1/5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。
例句:Please give me a second chance. 请再给我一次机会。
4、当表达“年月日”时,序数词前不用the。
例句:He was born on June 6th, 1974. 他出生在1974年6月6日。
5、当序数词在句中作状语时,序数词前不用 the。
例句:Who got there second? 谁第二个到那儿的?
6、当表达考试(赛跑等)中获得的名次时,序数词前不用 the。
例句:She stands first in her class. 她在班上成绩排名第一。
一、1~30序数词:first、second、third、fourth、fifth、sixth、seventh、eighth、ninth、tenth;eleventh、twelfth、thirteenth、fourteenth、fifteenth、sixteenth、seventeenth、eighteenth、nineteenth、twentieth;
twenty-first、twenty-second、twenty-third、twenty-fourth、twenty-fifth、twenty-sixth、twenty-seventh、twenty-eighth、twenty-ninth、thirtieth。
二、1~30的序数词的缩写:1st,2nd,3rd,4th,5th,6th,7th,8th,9th,10th;11th,12th,13th,14th,15th,16th,17th,18th,19th,20th;21st,22nd,23rd,24th,25th,26th,27th,28th,29th,30th。
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)
以上内容参考:百度百科-序数词
一到三十的序数词
1st = first
2nd = second
3rd=third
4th=fourth
5th=fifth
6th=sixth
7th=seventh
8th=eighth
9th=ninth
10th=tenth
11th=eleventh
12th=twelfth
13th=thirteenth
14th=fourteenth
15th=fifteenth
16th=sixteenth
17th=seventeenth
18th=eighteenth
19th=nineteenth
20th=twentieth
21st=twenty-firstu
22nd=twenty-second
23rd=twenty-third
24th=twenty-fourth
25th=twenty-fifth
26th=twenty-sixth
27th=twenty-seventh
28th=twenty-eighth
29th=twenty-ninth
30th=thirtieth
说明
1、许多序数词是由相应的基数词后加th构成的,如:four / fourth,six / sixth,ten / tenth,sixteen / sixteenth,但是nine变为序数词是ninth,而不是nineth。
2、twentieth, thirtieth, fortieth等表示整十的序数词,由相应的基数词将词尾y改为ie,再加th构成。
3、first, second, third通常可缩写为1st, 2nd, 3rd。凡是以th结尾的序数词可缩写为“基数词+th”:4th, 5th, 9th, 11th, 60th, 128th等。
4、非整十的多位数,将个位数变成序数词即可:twenty-first(第21),thirty-sixth(第36),ninety-ninth(第99),three hundred and sixty-fifth(第365)等。