高三英语语法专题复习之数词课件

1、讲师： 乔海红 学校：湖北省水果湖高级中学数词的基本形式和基本用法目标要求010203知识清单常设误点即学巩固Part 1知识清单 一.基数词二.序数词三.小数表示法四.百分数表示法01知识清单一.基数词表示数目（数量的多少），如：one, two, three, four巧记口诀：找清规律很容易，十二以内词名异；十三数到十九去，后加-teen莫忘记。二十、三十至九十，整十之后有-ty;如果要说“几十几”，中间“-”号别丢弃，hundred是“一百”，请你记住莫大意。twenty-sixfortyfifty01知识清单基数词的用法1、作定语 There are three boys in th

2、is class.2、作主语 It is said that thirteen is an unlucky number.3、作宾语The city has a population of three million.4、作表语I am eighteen.5、作同位语They ten will go abroad.01知识清单二.序数词表示排列的顺序，如：first, second, third, fourth序数词前一般要加the。巧记口诀：一二三全要变；(first, second, third)其余都加th;th里有意外，8去t,(eighteighth)9去e(nineninth);字

3、母f代ve(fivefifth; twelvetwelfth);ty变成tie(twentytwentieth);若要变化几十几，只变个位就可以(twenty-onetwenty-first)。01知识清单序数词的用法1、作主语。The first day of May is International Labour Day.2、作表语。作表语时，序数词前的定冠词往往省去。Maria was second last year.3、作宾语。He was among the first to come. 4、作定语。May is the fifth month of the year.5、作同位语

4、。Who is the woman, the second in the second line?01知识清单三.小数表示法小数点左边的数通常按基数词读；小数点右边的数通常按编码式读法单个读出。six point eight sixfourteen point one fivethree hundred and forty-five point four five six6.8614.15345.45601知识清单四.百分数表示法百分数中的百分号%读作percent。30.57%thirty point fifty-seven percentPart 2常设误点02常设误点Cardinal N

5、umbers(基数词)一.名词性数词hundred,thousand,million等前有数词或several时不能用复数形式,其后所跟的复数名词前不加of,表“一百，一千，一百万”时需加one或不定冠词a。如表不确切的数目应用hundreds/thousands/millions of+复数名词。如：ten thousand, several million people, two hundred teachers, hundreds of students。二.用以表示年龄时，逢十的基数词复数之前应加物主代词，如：in her forties“在她四十多岁时”。三. 与基数词合成的定语，其

6、中的名词用单数。如：a three-month-old baby, a five-year plan02一.序数词前一般要加上定冠词或物主代词等限定词。如：二.分数的分母部分用序数词，分子为1时，分母用序数词的单数形 式；分子为2及以上时，分母用序数词的复数形式。常设误点Ordinal Numbers(序数词)It was the/my first visit to Europe._ of the buildings were ruined. A. Three fourth B. Three four C. Three-fourths D. Three-fourC02score(20)，doz

7、en(12)的用法与hundred, thousand, million, billion相同，即与具体的数字连用时，不加s , 泛指时，加s , 与of 连用； 如: The old lady bought 3 score/dozen eggs 2. scores of/dozens of两者表示的都是虚数“很多”之意。 如: He has been there scores/dozens of times. 常设误点（表达数量的特殊词汇）Part 3即学巩固 031.(2017全国卷)In the summer holiday following my eighteen birthday, I took driving lessons. Exercises2. When he retired, he was already in his _(sixty).3. Two third of the islands population made a living by fishing.eighteenthsixtiesthirds4. Shortly after the accident, two _ police were sent to the spot to keep order. A. dozen of B. dozens C. dozen D. dozens