内容正文:
2024中考一轮
语法专题复习
数词
数词
表示数量或顺序的单词,分为基数词和序数词两种
一.基数词的表达方法
范 围 特点 例词
1—12 无规律 one, two, three, four, five,six, seven, eight, nine, ten,eleven, twelve
13—19 以teen结尾 thirteen, fourteen, fifteen,sixteen, seventeen, eighteen,nineteen
20—90 之间的整十的数 以ty结尾 twenty, thirty, forty, fifty,sixty, seventy, eighty, ninety
21—99之间的两位数(整十的数除外) 十位与个位之间要加连字符 twenty-five, ninety-nine
101—999 百位和十位(个位)之间通常用 and 连接 one hundred and one
千以上 从后向前每三位加一个逗号,第一个逗号读thousand(千),第二个读million(百万),第三个读 billion(十亿),然后一节一节读 four thousand two hundred and fifty-five(4,255)
基数词拓展运用
(1) hundred(百)、thousand(千)、million(百万)、billion(十亿)与基数词连用时, hundred、thousand、million、billion 用单数形式,不可用复数。
如:two hundred 二百;three thousand三千;six million 六百万
(2)当 hundred、thousand、million、billion 与 of 连用且表示约数时, hundred、thousand、million、billion 应用复数形式。如:
hundreds of people 数百人;thousands of trees 成千上万棵树;
millions of books数百万本书
Have a try!
请用英语表达以下数字:
18
52
100
499
1088
52,740,200
eighteen
fifty-two
one hundred
four hundred and ninety-nine
one thousand and eighty-eight
fifty-two million, seven hundred and
forty thousand, two hundred
二.基数词的基本用法
①表示人或事物的数量,位于名词前。
I have three friends.
②表示顺序、编号,位于名词后。名词和基数词的首字母通常大写。
She's in Grade Six.
③表示年龄,位于 year(s)/month(s) old前。
My father is forty years old.
④用于计算。
Seven and two is nine.
⑤表示时间、年份、价格等。
He goes to school at eight o'clock in the morning.
The white T-shirt is fifty yuan.
⑥表示各种号码,如电话、门牌、身份证号码等。
He lives in Room 8.
Have a try!
1.—Look! There are many people. —Yes. _____them is more than two _____ . A. A number of; hundred
B. The number of; hundred C. The number of; hundreds
D. A number of; hundreds
2.He is a student. He is in _________.
A. Class five, Grade one B. Class Five, Grade One
C. Grade one, Class five D. Grade One, Class Five
三.序数词表达方法
范 围 特点 例词
1,2,3 无规律 first, second, third
4—19 一般在基数词(变形)后加-th fourth, fifth, eighth, ninth,twelfth, nineteenth
20—90 之间整十的数 把基数词后的 y变成ie,再加-th twentieth, ninetieth
21 及其后的多位数(其后整十的数除外) 个位数用序数词,其余位用基数词 twenty-first
四、序数词的