四、数词:基数词,序数词一、基数词
(1)1-20
one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve,thirteen,fourteen,fifteen, sixteen,seventeen,eighteen,nineteen,twenty
(2)21-99 先说几十,再说几,中间加连字符。
23twenty-three,34thirty-four,45fortyfive,56fifty-six,67sixty-seven,78seventy-eight,89eighty-nine,91ninety-one
(3)101999先说几百,再加and,再加末两位数或末位数;
586five hundred and eighty-six,803eight hundred and three
(4)l,000以上,先从右往左数,每三位数加一个,,第一个,前为thousand.第二个,前为million,第三个,前为billion
1,001one thousand and one
18,423eighteen thousand,four hundred and twenty-three
6,260,309six million two hundred and sixty thousand three hundred and nine
750,000,000,000seven hundred and fifty billion
二、序数词
(1)一般在基数词后加th
eg.fourfourth,thirteenthirteenth
(2)不规则变化
onefirst,twosecond,threethird,fivefifth,eighteighth,nineninth,twelvetwelfth
(3)以y结尾的十位整数,变y为ie再加th
twentytwentieth, fortyfortieth, ninetyninetieth
(4)从二十一后的几十几直至几百几十几或几千几百几十几只将个位的基数词变为序数词。
twenty-first,two hundred and forty-fifth
基数词转为序数词的口诀:
基变序,有规律,词尾加上-th.
一,二,三,特殊记,词尾字母t,d,d.
八去t,九去e, ve要用f替。
ty将y变成i,th前面有个e.
若是碰到几十几,前用基来后用序。
外研版九上《Module 6 Unit 1 It’s wasteful to throw away paper and metal》word导学案
外研版九上《Module 4 Great inventions》word全模块教案
外研版九上《Module 3 Unit 2 Liu Xiang was trained for gold》word导学案
外研版九上《Module 3 Unit 3 Language in use》word导学案
外研版九上《Module 5 Unit 1 you mustn’t touch it》word教学参考
外研版九上《Module 6 Save our world Unit 3 Language in use》word导学案
外研版九上《Module 4 Unit 1 Paper and printing have been used for ages》word导学案
外研版九上《Module 5 Unit 1 you mustn’t touch it》word教案
外研版九上《Module 6 Save our world》(Unit 3)word教案
外研版九上《Module 7 Australia》word同步教案
外研版九上《Module 12 Summer in LA》word全模块教案
外研版九上《Module 11 Unit 2 It was a quiet country village》word教案
外研版九上《Module 5 Unit 2 There’s no shouting and no running》word教案
外研版九上《Module 11 Population》word重难点辅导
外研版九上《Module 6 Unit 1 It’s wasteful to throw away paper and metal》word预习导学案
外研版九上《Module 6 Unit 2 Remember three words reduce, reuse and recycle》word教案
外研版九上《Module 11 Unit 3 Language in use》word教案
外研版九上《Module 5 Unit 2 There’s no shouting and no running》word教学参考
外研版九上《Module 7 Australia Unit 3 Language in use》word教案
外研版九上《Module 3 Unit 1 When will the match be held》word导学案
外研版九上《Module 3 Sporting life》word学案
外研版九上《Module 3 Sporting life》word同步教案
外研版九上《Module 6 Unit 1 It’s wasteful to throw away paper and material》word学案
外研版九上《Module 12 Summer in LA》word同步教案
外研版九上《Module 11 Population》word同步教案
外研版九上《Module 5—Module 6》word教学参考
外研版九上《Module 11 Unit 3 Language in use》word导学案
外研版九上《Module 11 Unit 1 It’s the biggest city in China》word教案
外研版九上《Module 6 Save our world》word教学参考
外研版九上《Module 7 Australia》word教案和练习
| 不限 |
| 英语教案 |
| 英语课件 |
| 英语试题 |
| 不限 |
| 不限 |
| 上册 |
| 下册 |
| 不限 |