表示数目多少或顺序先后的词叫数词.数词有基数词和序数词两种:表示数目多少的数词叫基数词,如:one, two, three等;表示顺序先后的叫序数词,如:first, second等.
1. 基数词
1. one 2. two 3. three 4. four 5. five 6. six 7. seven 8. eight 9. nine 10. ten
11—12用心记,13—19teen结尾,20—90ty结尾,几十几中间加连字符.
2. 序数词
1st first 2nd second 3rd third
4th fourth 5th fifth 6th sixth
7th seventh 20th twentieth 21st twenty-first
30th thirtieth 39th thirty-ninth 40th fortieth
50th fiftieth 100th hundredth
101st one hundred and first
时间的表达
1. 整点,如:4:00 four o'clock
2. 半点, 如:4:30 half past four
3. 不到半点,如:2:05 five past two
4. 超过半点,如:3:45 a quarter to four
