1、2022-11-7中考英语语法中考英语语法数词数词课件课件1 基数词基数词2 序数词序数词3 分数分数4 百分数百分数5 小数小数一、数词的分类：一、数词的分类：二、二、数词的其它用法数词的其它用法基数词基数词定义：表示数目的词。定义：表示数目的词。如如 one、two、three.012345678910 zero one two three four five six seven eight nine ten111213141516171819eleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteen2030405
2、060708090 twenty thirty forty fifty sixty seventy eighty ninety 100101 9081217192135465367 twenty-one thirty-five forty-six fifty-three sixty-seven one hundred one hundred and one nine hundred and eight one hundred and twenty-one seven hundred and nineteen1,0201,6571,248,0005,300,0245,183,000,0006,2
3、01,384,100 one thousand and twenty one thousand six hundred and fifty-seven one million two hundred and forty-eight thousand five million three hundred thousand and twenty-four five billion one hundred and eighty-three million six billion two hundred and one million three hundred and eighty-four tho
4、usand one hundred总结基数词用法：总结基数词用法：1.112有有各自独立的形式。各自独立的形式。2.13-19都是相对应都是相对应39加上加上teen构成，特殊拼写的构成，特殊拼写的词有词有thirteen,fifteen,eighteen。3.2090都以都以-ty结尾，特殊拼写的有结尾，特殊拼写的有twenty,thirty,forty,eighty。4.2199,表示表示几十几几十几，中间添加，中间添加连字符连字符“-”。5.百位数可由百位数可由百位数百位数and+两位数两位数组成。组成。6.千位数可由千位数可由千位数千位数+百位数百位数+两位数两位数组成，组成，千位以上
5、从数字千位以上从数字右端向左端右端向左端数起，数起，每三位加一个逗每三位加一个逗号号，依次为，依次为thousand,million,billion。7.表示确切数字时，表示确切数字时，hundred,thousand,million，billion只用单数。如：只用单数。如：五百棵树五百棵树five hundred trees两千个盒子两千个盒子 two thousand boxes三百万只绵羊三百万只绵羊 three million sheep二十亿人二十亿人 two billion people8.表示不确定概念的数字，表示不确定概念的数字，hundred,thousand,millio
6、n后需加后需加s。如：。如：数百个婴儿数百个婴儿 hundreds of babies数千个盒子数千个盒子 thousands of boxes数百万只绵羊数百万只绵羊 millions of sheep数十亿人数十亿人 billions of people注意：表示不确定数字时用复数常见有：注意：表示不确定数字时用复数常见有：1）hundreds/thousands/millions/billions of+n2）thousands and thousands of(成千上万）成千上万）3）many/some/several hundreds/thousands/millions/billi
7、ons of+n还有一个词用法相同：还有一个词用法相同：dozen(一打）一打）two dozen eggs dozens of eggs两打鸡蛋两打鸡蛋数打鸡蛋数打鸡蛋注意：表示注意：表示“人的不确切岁数或年代人的不确切岁数或年代”用几用几十的复数形式。十的复数形式。如：如：1.她她在在30多岁时多岁时成为工程师成为工程师2.他他四十多岁四十多岁时死于肺癌。时死于肺癌。3.20世纪世纪60年代年代She became an engineer in her thirties.He died of lung cancer in his forties.in the 1960s2)During t
8、he entrance exams,there are _ parents waiting for their children outside the test center.A.thousand of B.thousands ofC.thousand D.two thousands B中考链接中考链接1)There are _ students in this school.A.eight hundreds and forty-sixB.eight hundred forty-sixC.eight hundred and forty-sixD.eight hundreds forty-si
9、x C中考链接中考链接中考链接中考链接1)People often live a hard life_.A.in the fortyB.in the fortiesC.in fortyD.on forties B序数词序数词定义：表示顺序的词。定义：表示顺序的词。e.g.first、second、third1.13分别为分别为first,second,third。2.419都是在后面加上都是在后面加上th,特殊的有特殊的有fifth,eighth,ninth,twelfth。3.2090把把y变成变成ie然后加然后加th,如如twentieth。4.2199的序数词变后面的各位数。的序数词变后
10、面的各位数。5.序数词可以用缩写，如序数词可以用缩写，如1st,2nd,3rd,4th序数词的构成：序数词的构成：12345678910 first second third fourth fifth sixth seventh eighth ninth tenth111213141516171819eleventh twelfth thirteenth fourteenth fifteenth sixteenth seventeenth eighteenth nineteenth 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 203040506070809
11、0 twentieth thirtieth fortieth fiftieth sixtieth seventieth eightieth ninetieth21324355677899101203412 twenty-first thirty-second forty-third fifty-fifth sixty-seventh seventy-eighth ninety-ninth one hundred and first two hundred and third four hundred and twelfth 21st 32nd 43rd 55th 67th 78th 99th
12、101st 203rd 412th 1、序数词的构成规则：序数词的构成规则：一二三单独记，一二三单独记，th 从四加起从四加起 eight 少个少个t nine 去掉去掉e ve要用要用f来替来替 ty变成变成tie 若问几十几，几百几，若问几十几，几百几，只变个位记心里。只变个位记心里。2、序数词的用法序数词的用法1）一般情况下，序数词前一定要加）一般情况下，序数词前一定要加the 有物主代词就不用有物主代词就不用the Sunday is the first day of the week.This is her twentieth birthday.2)序数词有时前面可加不定冠词来表示序
13、数词有时前面可加不定冠词来表示“再一再一”，“又一又一”这样的意思，这样的意思，a+序数词序数词Ill go to Beijing a second time.Well have to do it a second time Shall I ask him a third time？(再一次，又一次，前面去过了一次）再一次，又一次，前面去过了一次）Both of the two rulers are broken.I want tobuy_ one.A.the third B.three C.a third D.a C1)The _question is much more difficult
14、than this one.A.forth B.fortyC.fourteen D.fourth D中考链接中考链接2)He believed his lucky number was ten,so he decide to live on the _ floor.A.ten B.twelvethC.nineth D.twentieth D中考链接中考链接-How was your weekend?-Great!It was my grandfathers_birthday.We enjoyed ourselves.A.seventy B.seventieth C.the seventieth
15、 D.seventeenth B中考链接中考链接分数分数1.构成构成：分数是由基数词和序数词一起表示分数是由基数词和序数词一起表示，基数词作分子，序数词作分母，基数词作分子，序数词作分母，基数词大于基数词大于“1”，序数词要用复数形式。，序数词要用复数形式。2.用法：用法：分数做主语时，谓语动词的单复数由分数做主语时，谓语动词的单复数由of 后的名词来决定。后的名词来决定。3.百分数的表达：百分数的表达：用用“基数词基数词+percent”表示，表示，注意注意percent 不用复数形式，如：不用复数形式，如：3%three percent 50%fifty percent 百分数作主语用法同
16、分数一样。百分数作主语用法同分数一样。分数分数1/3 1/42/53/4 one third one fourth two fifths three fourths分子基，分母序，分子大于分子基，分母序，分子大于1，分母加，分母加s 1/2 1/4 3/4 one second a half one fourth one/a quarter three fourths three quarters 分数的用法分数的用法分数分数+of+(C)单单+V单单(C)复复+V复复(U)+V单单三分之一的这些书三分之一的这些书 one third of the books三分之一的这些垃圾三分之一的这些垃
17、圾 one third of the rubbish 这个苹果的三分之一这个苹果的三分之一 1 One third of the books_(be)popular with the young.2 One third of the rubbish_(have)been recycled.3One third of the apple _(be)on the table.one third of the apple are has is1)There is a lot of food in the refrigerator.About _ is meat.A.two five B.two fi
18、fthsC.two fifth D.second fifths B中考链接中考链接2)Three quarters of the earth _ withWater.A.are cover B.is coverC.are covered D.is covered D中考链接中考链接 百分数百分数89%40%100%eighty-nine percent forty percent one hundred percent 写法：基数词写法：基数词+%读法：读法：基数词基数词 percent 百分数的用法同分数的用法百分数的用法同分数的用法百分数百分数+of+(C)单单+V单单(C)复复+V复复(
19、U)+V单单 小数小数0.50.321.61.72zero point fivezero point three two/thirty-twoone point sixone point seven two/seventy-two当数值大于当数值大于1时，小数点后的名词用复数。时，小数点后的名词用复数。如：如：1.03 meters 1.5 tons数词的其它用法数词的其它用法1.编号的表示编号的表示 1）基数词表示编号，放在名词之后）基数词表示编号，放在名词之后；序数；序数词放在名词之前词放在名词之前 第一课第一课1.第七页第七页2.第三册第三册Book Three the third bo
20、okLesson One （the first lesson）Page Seven (the seventh page)601房间房间 南京路南京路15号号 第十三路公车第十三路公车 Room 601 No.15 Nanjing Road Bus No.13 the No.13 bus2)数字过长，一般用基数词数字过长，一般用基数词2.年月日和时刻的表示年月日和时刻的表示 1）年份的写法和读法）年份的写法和读法 18051900191020002010358BC550AD eighteen o five nineteen hundred nineteen ten two thousand tw
21、o thousand and ten three hundred and fifty-eight B.C five hundred and fifty AD2）年月日的表示）年月日的表示1998.9.12013.1.17 September 1st,1998读成：读成：September the first,nineteen ninety-eight 1st September 1998读成：读成：the first of September,nineteen ninety-eight January 17th,2013 17th January 20133）年代）年代/世纪的表示世纪的表示
22、20世纪世纪18世纪世纪20世纪世纪80年代年代19世纪世纪50年代年代 the twentieth century the eighteenth century the 1980s the 1980s the 1850s the 1850s in the 1850s the 1850s the 1700s the 1900s在在19世纪世纪50年代年代 Have a try!在在1990年年在二十世纪在二十世纪在二十世纪在二十世纪90年代年代 in 1990 in the 1900s in the 1990s4）时刻的写法和读法）时刻的写法和读法 A 直接表达法直接表达法:先小时后分钟先小时
23、后分钟7：008：205：55 seven oclock eight twenty five fifty-five B 间接表达法间接表达法:6：057：158：205：306：4510：55 five past six fifteen/a quarter past seven twenty past eight half past five fifteen/a quarter to seven five to eleven分钟分钟(30)past+小时小时to+(小时小时+1)4 年龄的表示年龄的表示 1)at the age of+数字数字 十二岁时十二岁时 at the age of t
24、welve 三十岁时三十岁时 at the age of thirty2)数字数字-year-old :几岁的几岁的 数字数字 years old:几岁几岁 twelve-year-old twelve years old He is only a _(四岁的四岁的)boy.He is only _(四岁四岁).four years old four-year-old3)in ones twenties/thirties/forties在某人二十在某人二十/三十三十/四十四十几岁时几岁时在我三十几岁时在我三十几岁时在你四十几岁时在你四十几岁时在她五十几岁时在她五十几岁时 in my thirt
25、ies in your forties in her fifties5 次数的表示次数的表示 一次一次 两次两次 三次三次 四次四次 once twice three times four timesI have seen the film _.A.second B.two C.two time D.twice D6 倍数的表示倍数的表示 一倍一倍 两倍两倍 三倍三倍 四倍四倍 once twice three times four times 这把尺子是那把的三倍长。这把尺子是那把的三倍长。This ruler is _ than that one.three times as long a
26、s7.其它含有数词用法的固定词组其它含有数词用法的固定词组/句型句型1)她是第一个到达学校的。她是第一个到达学校的。She is the first to get to school.be the+序数词序数词+to do sth.2)长江是中国第一长河。长江是中国第一长河。The Changjiang River is the first longest river in China.the+序数词序数词+adj.最高级最高级3)这座建筑物有这座建筑物有50米高。米高。The building is 50 meters tall.数字数字+单位单位+adj.4)又来了三个模特。又来了三个模特
27、。Here comes another three models.注意：注意：another+数字数字+可数名词复数可数名词复数=数字数字+more+可数名词复数可数名词复数 表示再几个、又几个表示再几个、又几个3)He has just finished writing a _composition.A.nine-hundreds-word B.nine-hundred-wordsC.nine-hundred-word D.nine-hundreds-words C4)Time is not enough for so much work._ people are needed,I thin
28、k.A.Other two B.Only twoC.Two more D.Two others C1.About _ students in our class can describe that place in English.A.three-fifths B.three-fifth C.third-five D.third-fifths2.Nine _ pounds a week?Thats very good.A.hundred of B.hundreds of C.hundreds D.hundred真题训练真题训练AD1.(2013河北河北）In our city_of the p
29、eople_ to Han nationality.A.three fifths;belong B.three fifth;belong C.three fifths;belongs D.three fifth;belongs2.(2014辽宁辽宁)_of the teachers in our school are women teachers A.Three quarter B.Two thirds C.Second threes D.Three fourAB1.“Which lesson are you studying now?”-“_”A.The lesson six B.Sixth lessonC.Lesson six D.Lesson sixth 2.The bike cost me _ yuan.Afive hundred forty Bfive hundreds fourty Cfive hundred and forty Dfive hundred fourty CC真题训练真题训练
