育才学习网1. 1到30的序数词英文怎么写
首先搞清楚基数词和序数词，
基数词，表示数量，1,2,3，表示多少个
序数词，表示顺序，第1，第2，第3，表示第几个
1-30的序数词，前3个是特殊情况，需要单独记忆，从4开始往后，基本上都是在基数词的词根后面加th，但是词根变化较多，尤其结尾部分，要注意。
还有，所有序数词之前，都要加the。
1-10,first, second, third,fourth,fifth,sixth,seventh,eighth,ninth,tenth
11-20,eleventh,twelfth,thirteenth,fourteenth,fifteenth,sixteenth,seventeenth,eighteenth,nineteenth,twentieth
21-30,twenty first, twenty second,twenty third,twenty-fourth,twenty-fifth,twenth-sixth, twenty-seventh,twenty-eighth,twenty-ninth,thirtieth
2. 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 ··。
3. 一到30序数词用英语怎么写
1-100的序数词分为四个类。
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
这类表示“第几十几”的序数词，跟表示“几十几”的基数词一样简单。在构成方法上均由基数词“几十几”变化而来，十位数不变，仅把个位上的基数词变成序数词就行了。
第一百 hundredth
4. 从1到30英语的序数词怎么写
1:one— first
2:two— second
3:three— third
4:four-fourth
5:five— fifth
6:six— sixth
7:seven— seventh
8:eight— eighth
9:nine— ninth
10:ten— tenth
11:eleven— eleventh
12:twelve— twelfth
13:thirteen— thirteenth
14:fourteen— fourteenth
15:fifteen— fifteenth
16:sixteen— sixteenth
17:seventeen— seventeenth
18:eighteen— eighteenth
19:nineteen— nineteenth
20:twenty— twentieth
21:twenty-one— twentieth-first
22:twenty-two— twentieth-second
23:twenty-three— twentieth-third
24:twenty-fuor— twentieth-fourth
25:twenty-five— twentieth-fifth
26:twenty-six— twentieth-sixth
27:twenty-seven— twentieth-seventh
28:twenty-eight— twentieth-eighth
29:twenty-nine—twentieth-ninth
30:thirty—thirtieth
5. 1
1 one-first 2 two-second 3 three- third 4 four- fourth 5 five-fifth 6 six-sixth 7 seven-seventh 8 eight-eighth 9 nine-ninth 10 ten- tenth 11 eleven- eleventh 12 twelve-twelfth 13 thirteen-thirteenth 14 fourteen-fourteenth 15 fifteen-fifteenth 16 sixteen-sixteenth 17 seventeen-seventeenth 18 eighteen-eighteenth 19 ninteen-nineteenth 20 twenty-twentieth 21 twenty-one--twenty-first 22 twenty-two--twenty-second 23 twenty-three--twenty-third 24 twenty-four--twenty-fourth 25 twenty-five--twenty-fifth 26 twenty-six--twenty-sixth 27 twenty-seven--twenty-seventh 28 twenty-eight--twenty-eighth 29 twenty-nine--twenty-ninth 30 thirty--thirtieth。
6. 1
1st first
2ndsecond
3rdthird
4thfourth
5thfifth
6thsixth
7th seventh
8theighth
9thninth
10thtenth
11theleventh
12thtwelfth
13ththirteenth
14thfourteenth
15thfifteenth
16thsixteenth
17thseventeenth
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
7. 一到三十的序数词 英语
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 eleventh 第十一 twelfth 第十二 thirteenth 第十三 fourteenth 第十四 fifteenth 第十五 sixteenth 第十六 seventeenth 第十七 eighteenth 第十八 nineteenth 第十九 twentieth 第二十 twenty-first 第 二十一 twenty-second第二十二 twenty-third 第二十三 twenty-fourth 第二十四 twenty-fifth 第二十五 twenty-sixth 第二十六 twenty-seventh第二十七 twenty-eighth 第二十八 twenty-ninth 第二十九 thirtieth 第三十。
8. 1
zd1 st first 2 nd second 3 rd third 4 th fourth 5 th fifth 6 th sixth 7 th seventh 8 th eighth 9 th ninth 10 th tenth 11 th eleventh 12 th twelfth 13 th thirteenth 14 th fourteenth 15 th fifteenth 16 th sixteenth 17 th seventeenth 18 th eighteenth 19 th nineteenth 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。
9. 1
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-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
10. 一到30序数词用英语怎么写
1-10:first
second
third
fourth
fifth
sixth
seventh
eighth
ninth
tenth
11-20 eleventh
twelfth
thirteenth
fourteenth
fifteenth
sixteenth
seventeenth
eighteenth
nineteenth
twentieth
21-30
twenty-first
twenty-second
twenty-third
twetny-fourth
twenty-fifth
twenty-sixth
twenty-seventh
twenty-eighth
twenty-ninth
thirtieth
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