在基数词篇,我们了解了基数词及其用法,那么,今天我们就来看一下数词的另一种形式:序数词。表示顺序的数词叫序数词。序数词的变化源于基数词,所以一定要牢记基数词的构成。如果想要灵活地运用序数词,都需要掌握些什么呢?赶紧跟着小编看一看吧。
问题一:英语的序数词是怎么由基数词变化而来的呢?
口诀:
基变序,有规律,词尾要加th;
一二三,特殊记,词尾分别tdd(first second third );
八去t ,九去e,ve要用f替;
ty变作tie,再加th莫忘记。
若遇几十几,只变个位就可以。
最基本的序数词如下表所示:
100以下的基本序数词
100以上的基本序数词
1~10
11~19
20~29
30~90
100th
onehundredth
1stfirst
11th eleventh
20thtwentieth
30th thirtieth
1000th
one thousandth
2nd second
12th twelfth
21st twenty-first
40th fortieth
1,000,000th
one millionth
3rd third
13th thirteenth
22nd twenty-second
50th fiftieth
1,000,000,000th
one billionth
4th fourth
14th
fourteenth
23rd twenty-third
60th sixtieth
5th fifth
15th fifteenth
24th twenty-forth
70th seventieth
6th sixth
16th sixteenth
25th twenty-fifth
80th eightieth
7th seventh
17th seventeenth
26th twenty-sixth
90th ninetieth
8th eighth
18th eighteenth