30英语怎么写序数简写( 三 ) _序数

18theighteenth
19thnineteenth
20th twentieth
21st twenty-first
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
8.英文序数词1试读结束，如需阅读或下载，请点击购买>原发布者：伴你一程英文序数词1-30及缩写与1-100的序数词分类1、第一类first(1st)第一second(2nd)第二third(3rd)第三（在括号里的是缩写形式，均在阿拉伯数字后面加上相应序数词的最后两个字母构成，以下各类与此相同.）这类序数词只有三个，在整个序数词里面是特殊的，就和第一类基数词一样，需要逐个地硬记下来.2、第二类：fourth(4th)第四fifth(5th)第五sixth(6th)第六seventh(7th)第七eighth(8th)第八ninth(9th)第九tenth(10th)第十eleventh(11th)第十一twelfth(12th)第十二thirteenth(13th)第十三fourteenth(14th)第十四fifteenth(15th)第十五sixteenth(16th)第十六seventeenth(17th)第十七eighteenth(18th)第十八nineteenth(19th)第十九这一类序数词共有十六个.均在相应的基数词后面加上后缀-th构成.要注意其中fifth、eighth、ninth、twelth四个词的拼法.3、第三类：twentieth(20th)第二十thirtieth(30th)第三十fortieth(40th)第四十fiftieth(50th)第五十sixtieth(60th)第六十seventieth(70th)第七十eightieth(80th)第八十ninetieth(90th)第九十这一类全是十位整数的序数词，共八个.它们的构成方法是：先将相应的十位整数的基数词词尾-ty中的y改成i，然后在加上后缀-eth.4、第四类：thirty-first(31th)第三十一sixty-second(62nd)第六十二eighty-seventh(87th)第八十七ninety-eighth(98th)第九十八这类表。
9.1———30英语怎么写.还有序数词1-10:-20 -30 twenty-firsttwenty-secondtwenty-thirdtwetny-fourthtwenty-fifthtwenty-sixthtwenty-seventhtwenty-eighthtwenty-ninththirtieth1 - one2 - two3 - three4 - four5 - five6 - six7 - seven8 - eight9 - nine10 - ten11 - eleven12 - twelve13 - thirteen14 - fourteen15 - fifteen16 - sixteen17 - seventeen18 - eighteen19 - nineteen20 - twenty21 - twenty-one22 - twenty-two23 - twenty-three24 - twenty-four25 - twenty-five26 - twenty-six27 - twenty-seven28 - twenty-eight29 - twenty-nine30 - thirty 。
10.序数词1~30的英文怎样写one two three four five six seven eight nine ten eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty twenty-one twenty-two twenty-three twenty-four twenty-five twenty-six twenty-seven twenty-eight twenty-nine thirty 按顺序就是了呵呵 ·· 。

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