文档介绍：基数词和序数词
表示数目多少的词叫基数词:
100以下的基本基数词
100以上
1-10
11-19
20-90
100
a/one hundred;
1000
a/one thousand;
1,000,000
a/one million;
1,000,000,000
a/one billion(美)
a/one thousand million(英)
1 one
11 eleven
20 twenty
2 two
12 twelve
30 thirty
3 three
13 thirteen
40 forty
4 four
14 fourteen
50 fifty
5 five
15 fifteen
60 sixty
6 six
16 sixteen
70 seventy
7 seven
17 seventeen
80 eighty
8 eight
18 eightteen
90 y
9 nine
19 een
10 ten
表示顺序的数次叫序数词:
基本序数词的构成
1st first
11th eleventh
20th twentieth
30th thirtieth
2nd second
12th twelfth
21st twenty-first
40th fortieth
3rd third
13th thirteenth
22nd twenty-second
50th fiftieth
4th fourth
14th fourteenth
23rd twenty-third
60th sixtieth
5th fifth
15th fifteenth
24th twenty-fourth
70th sevenyieth
6th sixth
16th sixteenth
25th twenty-fifth
80th eightieth
7th seventh
17th seventeenth
26th twenty-sixth
90th ieth
8th eighth
18th eighteenth
27th twenty-seventh
100th one hundredth
9th ninth
19th eenth
28th twenty-eighty
1,000th one thousangth
10th tenth
29th twenty-ninth
1,,000,000th one millionth
100,000,000th one billionth
注意: Hundred thousand million
其前有具体数字时,用单数: There are thousand students in this in this 。
前无数词,模糊数字+s+of短语: Hundreds of e to see our ’s so ,它太成功了。
基数词变序数词口诀:
基变序,很容易,结尾加上th。
一二三特殊记,结尾各是t,d,d。
八去t,九去e,f来