内容正文:
专题复习之数词
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专题复习之数词
Where there is a will,there is a way.
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数词的定义和分类
基数词的构成
基数词的用法
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序数词的构成
序数词的用法
时间与时刻的表达
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数词的定义和分类
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1 数词的定义和分类
Where there is a will,there is a way.
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定义:表示数目多少或顺序多少的词叫数词。
什么叫数词?
数词
基数词:表示数目多少的数词
序数词:表示顺序的数词
There are twenty girls in our class. 我们班有20个女生。
Sunday is the first day of a week.星期天是一周的第一天。
基数词的构成
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2 基数词的构成
Where there is a will,there is a way.
one 1 five 5 nine 9
two 2 six 6 ten 10
three 3 seven 7 eleven 11
four 4 eight 8 twelve 12
(1)1-12, 形各异单独记。
2 基数词的构成
Where there is a will,there is a way.
13-thirteen 15-fifteen 18-eighteen
14-fourteen 16-sixteen 17-seventeen 19-nineteen
(2)13--19, 词尾要加-teen构成,表示“十几”。
20-twenty 30-thirty 40-forty
50-fifty 60-sixty 70-seventy
80-eighty 90-ninety
(3)20--90, 整十由2-9加后缀-ty构成,表示“几十”。
2 基数词的构成
Where there is a will,there is a way.
21 twenty-one 55 fifty-five 99 ninety-nine 49 forty-nine
(4)表达“几十几“,由整十+个位数, 十位与个位之间有连字符 “-”
two hundred 200 five hundred 500 one hundred 100
(5)整百:由1-9 + hundred 构成
101 one hundred and one
840 eight hundred and forty
693 six hundred and ninety-three
(6)非整百:先说几百再说几十几,百位与十位/个位之间由and连接
2 基数词的构成
Where there is a will,there is a way.
(7)英语中的数量单位
hundred 百 thousand 千 million 百万 billion 十亿
考点指向
two hundred 200 five thousand 5000 nine billion 9,000,000
hundreds of 成百上千 thousands of 成千上万
必杀技:两有两无
基数词的构成小结
Where there is a will,there is a way.
1 one 13 thirteen 20 twenty 100 one hundred
2 two 14 fourteen 30 thirty 1,000
one thousand
3 three 15 fifteen 40 forty 1 000及以上的数字,从后面向前,每三位加“,”,第一个“,”前为thousand,第二个“,”前为million,第三个“,”前为billion
4 four 16 sixteen 50 fifty
5 five 17 seventeen 60 sixty
6 six 18 eighteen 70 seventy
7 seven 19 nineteen 80 eighty
8 eight “十几”以teen结尾 90 ninety
9 nine “几十”以ty结尾
10 ten
11 eleven
12 twelve
基数词的用