内容正文:
第一部分 语法专题
第三章 数词
一、写出下列基数词的序数词。
1. one first 2. two second
3. three third 4. five fifth
5. eight eighth 6. nine ninth
7. twelve twelfth 8. seventeen seventeenth
9. twenty twentieth 10. forty fortieth
11. thirty-two thirty-second 12. hundred hundredth
first
second
third
fifth
eighth
ninth
twelfth
seventeenth
twentieth
fortieth
thirty-second
hundredth
基础自测
二、翻译下列词块。
1. 五只老鼠 five mice
2. 在她五十多岁时 in her fifties
3. 在19世纪80年代 in the 1880s
4. 步行20分钟的路程 20 minutes' walk
5. 第八个月 the eighth month
6. 第二深的湖 the second deepest lake
7. 七百人 seven hundred people
8. 四分之三 three fourths/quarters
five mice
in her fifties
in the 1880s
20 minutes' walk
the eighth month
the second deepest lake
seven hundred people
three fourths/quarters
数词分为基数词和序数词,基数词表示数目,序数词表示顺序。
考点1 基数词和序数词的构成
1.常见的基数词、序数词及缩写
基数词 序数词及缩写
one first/1st
two second/2nd
three third/3rd
four fourth/4th
five fifth/5th
基数词 序数词及缩写
six sixth/6th
seven seventh/7th
eight eighth/8th
nine ninth/9th
ten tenth/10th
语法点拨
基数词 序数词及缩写
eleven eleventh/11th
twelve twelfth/12th
thirteen thirteenth/13th
fourteen fourteenth/14th
fifteen fifteenth/15th
sixteen sixteenth/16th
seventeen seventeenth/17th
eighteen eighteenth/18th
nineteen nineteenth/19th
twenty twentieth/20th
基数词 序数词及缩写
thirty thirtieth/30th
forty fortieth/40th
fifty fiftieth/50th
sixty sixtieth/60th
seventy seventieth/70th
eighty eightieth/80th
ninety ninetieth/90th
twenty-one twenty-first/21st
thirty-two thirty-second/32nd
ninety-nine ninety-ninth/99th
巧学妙记
基数词变序数词歌:
基变序,有规律,词尾加上-th;一、二、三,特殊记,结尾字母t,d,d;
八去t,九去e (eighth,ninth),ve要用f替;-ty将y改成i,th前面有个e;
若是碰到几十几,前用基来后用序。
2.百、千、百万等基数词变序数词在词尾加-th:hundred—hundredth, thousand—thousandth, million—millionth。
3.十位数和个位数之间要用连字符“-”,百位数和十位数或个位数之间要用and 连接。
如:62 sixty-two 103 one hundred and three
考点2 基数词的用法
一、基数词的用法
特别提醒
在由基数词和名词(或名词+形容词)构成的合成定语中,名词用单数形式。如:a 15-year-old boy一个15岁的男孩 a 15-minute walk=15