
初中英语语法中考专项复习———数词 数词中考核心考点总览 考点1:基数词的构成与读法 考点2:序数词的构成与用法 考点3:分数、小数、百分数的表达 考点4:数词在时间、日期、年龄中的表达 考点5:数词的句法功能 考点6:数词的特殊用法与易错点 二、数词考点系统讲解 考点1:基数词的构成与读法 中考要求: 掌握基数词的拼写和读法 掌握百位数、千位数、百万位数的表达 理解英文数字的分节读法(三位一分节) 基数词构成规则: 范围构成规则示例特殊形式1-12独立单词one, two, three... twelve无规律,需熟记13-19个位数+teenthirteen, fourteen... nineteen注意:three→thirteen, five→fifteen20-90(整十)个位数+tytwenty, thirty, forty... ninety注意:two→twenty, three→thirty, four→forty, five→fifty21-99(非整十)十位数+连字符+个位数twenty-one, thirty-two... ninety-nine连字符必须加100及以上hundred/thousand/million/billion+and+后两位101→one hundred and oneand不能省略(美式可省略) 大数读法规则(三位一分节): 1,234 → one thousand two hundred and thirty four 12,345 → twelve thousand three hundred and forty five 123,456 → one hundred and twenty three thousand four hundred and fifty six 1,234,567 → one million two hundred and thirty four thousand five hundred and sixty seven 易错数字特别提醒: 1. 14/40区别:fourteen(14) vs forty(40) 2. 13/30区别:thirteen(13) vs thirty(30) 3. 15/50区别:fifteen(15) vs fifty(50) 4. 100以上and的位置:one hundred and one(√) one hundred one(美式) 中考真题再现: 例1: There are _____ students in our school. A. two thousand three hundred and fifty six B. two thousands three hundred and fifty six C. two thousand three hundreds and fifty six D. two thousands three hundreds and fifty six 答案:A 解析:hundred/thousand/million前有具体数字时用单数。 例2: The old man is _____ years old. A. fourty B. forty C. forteen D. fourteen 答案:B 解析:40的正确拼写是forty。 考点2:序数词的构成与用法 中考要求: 掌握序数词的构成规则 掌握序数词的缩写形式 理解序数词在句子中的用法 序数词构成规则表: 基数词序数词缩写构成规则onefirst1st特殊变化twosecond2nd特殊变化threethird3rd特殊变化fourfourth4th基数词+thfivefifth5thve→f+theighteighth8th只加h(已有t)nineninth9th去e加thtwelvetwelfth12thve→f+thtwentytwentieth20thy→ie+thtwenty-onetwenty-first21st只变个位 序数词使用规则: 1. 序数词前一般加the: the first day, the second floor 但:He got a first in the competition.(第一名,作表语可省the) 2. 表示日期: May 1st(读作May first) the 1st of May(读作the first of May) 3. 表示楼层: the first floor(英式:一楼;美式:二楼) the ground floor(英式:一楼) 4. 序数词缩写:数字+最后两个字母 1st, 2nd, 3rd, 4th, 5th... 20th, 21st, 22nd, 23rd, 24th... 中考真题再现: 例3: Today is my _____ birthday. A. eighteen B. eighteenth C. the eighteen D. the eighteenth 答案:B 解析:序数词作定语修饰birthday时,常省略the。 例4: He lives on _____ floor. A. three B. third C. the three D. the third 答案:D 解析:序数词表示楼层时前加the。 考点3:分数、小数、百分数的表达 中考要求: 掌握分数的表达方法 掌握小数的读法 掌握百分数的表达 分数表达规则: 1. 分子用基数词,分母用序数词: 1/3 → one ... ...
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