中考英语数词总复习课件.ppt
数词数词3 8 12 20 45 100 threeeighttwelvetwentyforty-fiveone hundred第2第9第13第20第32第100secondninththirteenthtwentieththirty-thirdone hundredth数数词词基数词基数词序数词序数词定义:基数词用来定义:基数词用来,或者,或者叫基数词。叫基数词。一个苹果一个苹果 八辆汽车八辆汽车两支钢笔两支钢笔 十张课桌十张课桌one appletwo pensten deskseight buses1 one11 eleven100 a hundred2 two12 twelve20 twenty1,000 a thousand3 three13 thirteenteen30 thirty1,000,000 a million4 four14 fourteen40 forty10,000,000 ten million5 five15 fifteen50 fifty6 six16 sixteen60 sixty7 seven 17 seventeen70 seventy8 eight18 eighteen80 eighty9 nine19 nineteen90 ninety10 ten 两位基数词的构成两位基数词的构成2134576689twenty- onethirty - fourfifty-sevensixty-sixeighty-nine三位基数词的构成三位基数词的构成457890608389threethree hundred hundred andand eighty-nine eighty-ninefour hundred four hundred andand fifty-seven fifty-seveneight hundred eight hundred andand ninety ninetysix hundred six hundred andand eight eight 序数词序数词定义:定义:表示数目顺序的词叫序数词。表示数目顺序的词叫序数词。 相相当于中文的当于中文的“第几第几”。序数词在使用时,通。序数词在使用时,通常前面要加定冠词常前面要加定冠词the.the.如:如:She lives on She lives on thethe fifth floor. fifth floor.序数词的构成口诀序数词的构成口诀基变序,有规律,词尾常加基变序,有规律,词尾常加- th。一、二、三一、二、三 特殊记,词尾字母特殊记,词尾字母 t, d, d.八减八减 t,九减,九减 e , f 来把来把 ve 替。替。ty 字母作结尾,字母作结尾,ty 变成变成tie .若是遇上若是遇上“几十几几十几”,只变个位就可以。,只变个位就可以。序数词的基本构成序数词的基本构成第一-第十第十一-第十九第二十以上firsteleventhtwentiethsecondtwelfththirtieththirdthirteenthfortiethfourthfourteenthfiftiethfifthfifteenthsixtiethsixthsixteenthseventiethseventhseventeentheightietheightheighteenthninetiethninthnineteenthhundredthtenthtwo hundredth两位序数词的构成两位序数词的构成第第33 第第46第第89第第66the thirty-thirdthe thirty-thirdthe forty-sixththe forty-sixththe eighty-ninththe sixty-sixththe sixty-sixth数词的用法数词的用法例1、- Ive cut the cake into _ pieces. Which piece do you want ? - The _ one , Its the biggest .A. five, two B. fifth, two C. five, second 用法用法1、 表示数量多少用基数词;表示顺序用序数词表示数量多少用基数词;表示顺序用序数词1.表示数量用基数词。表示数量用基数词。 575名学生名学生 73两自行车两自行车five hundred and seventy-five studentsseventy-three bikes2. 表示事物的顺序用序数词。表示事物的顺序用序数词。Monday is the second day of a week.January is the first month of a year.Winter is the fourth season of a year.例2、I often have breakfast at _ .A. fifty past six B. six fifty C. fifty to six用法2、表达时间用基数词1、先时后分先时后分 6:45 six forty-five 9:30 nine thirty 2、先分后时、先分后时 当分钟数小于当分钟数小于30分时,用分时,用分钟数分钟数+past +点钟数点钟数 6:10 ten past six 9:20 twenty past nine当分钟数等于当分钟数等于30分时,用分时,用 half + past +点钟数点钟数 9:30 half past nine 2:3o half past two当分钟数大于当分钟数大于30分时,用分时,用 (60-分钟数分钟数) + to +下一个点钟数下一个点钟数 6:45 fifteen to seven 或或 a quarter to seven 8:55 five to nine 翻译:翻译:五年半五年半三天半三天半five and a half years /five years and a halfthree and a half days /three days and a half用法3、表达“几个半”用基数词“基数词+ and a half +复数形式 ” 或“基数词 + 单数/复数形式 + and a half” 例、It took me _ to write the book A. two and half year B. half and two years C. two and a half years D. a half and two years例3、Nine _ pounds for a dress Its too dear !A. hundred of B. hundreds of C. hundred D. hundreds用法用法4、基数词基数词+hundred / thousand / million / billionhundreds/thousands/millions/billions of + 名词复数名词复数如如:hundreds of birds, thousands of animalsmillions of starts, billions of workerssix hundred students, three thousand trees例4、Tim is _ boy ,and he can say a few words .A. a three year- old B. a three years- old C. a three year old D. a three years old 用法用法5、“基数词基数词-单数名词单数名词- 形容词形容词”构成合成形容词,构成合成形容词,有时可用有时可用 “基数词基数词+名词所有格名词所有格” 代替。代替。一个五岁的男孩一个五岁的男孩走路走路20分钟的路程分钟的路程一座一座800米长的桥米长的桥a twenty minute walk = twenty minutes walkan 800 meter long bridgea five year old boy翻译:翻译:第一课第一课 第第32页页 第第12路公共汽车路公共汽车一班一班 第第305房间房间 Lesson One= the first lessonPage 32Room 305Room 305Bus No.12Class OneClass One用法用法6、基数词用在表达电话号码、门牌、房基数词用在表达电话号码、门牌、房号、页码、编号、公交路线的表示等。基数词号、页码、编号、公交路线的表示等。基数词和被编号事物的首字母要大写。和被编号事物的首字母要大写。(注:在编号(注:在编号时,序号在前用序数词,序号在后用基数词)时,序号在前用序数词,序号在后用基数词)例:The twins are in _ .A. Two Class B. Class Two C. class two D. two class 用法7、1、表示表示“在几十年代在几十年代”要用要用“ in the +逢整十数的复数逢整十数的复数”如:在如:在二十世纪九十年代二十世纪九十年代 in the 1990s 例5、In _ ,Tom began to learn Chinese. A. A 1980 B. the 1980 C. the 1980s D. his 19802、表示、表示“在某人在某人多岁时多岁时”用用“ in+物主代词物主代词/名词所有名词所有 格格+整十数的复数整十数的复数” 。如:如:在他在他20/30/70 多岁时多岁时 in his twenties / thirties / seventies例6、Though in his _ ,he still gets up and runs like the young.A. ninety B. nineties C. ninetieth D. ninty用法用法8、年、月、日的表达法、年、月、日的表达法1、 年份用基数词表达,分两位一年份用基数词表达,分两位一读,介词用读,介词用 in 。 1999年年 2000年年 2004年年 1867年年nineteen ninety-ninetwo thousandtwo thousandtwo thousand and foureighteen sixty-seveneighteen sixty-seven日期要用日期要用序数词序数词来表达来表达,并且介词并且介词用用on在在6月月1日日在在7月月15日日在在8月月30日日在在10月月25日日On June 1stOn July 15thOn August 30thOn October 25th用法9、次数的表达一次 两次三次 六次 oncetwicethree timessix times一次用一次用once ,两次用,两次用 twice ,两次以上用,两次以上用“基数词基数词+ times”用法10、表示长、宽、高、深等意思时用 “数字+单位+形容词”表示。The Changjiang River is _.(6300千米)6,300 kilometers long用法用法10、分数的表达法、分数的表达法1/3 3/54/9 3/41/8one thirdthree fifthsfour ninthsthree fourthsone eighth分子用分子用基数基数,分母用,分母用序数序数;分子;分子1时,时,分母要用复数,即加分母要用复数,即加 S。其前不能用定。其前不能用定冠词冠词the_ of the teachers in our school are men.A. Two third B. Two threes C. Two thirds D. second third数词和冠词的关系数词和冠词的关系1、“ a /an +序数词序数词” ,表示,表示“又一,再又一,再一一”例:例:1、Well go over it a _ ( two) time .我们得再检查一遍。我们得再检查一遍。second2、Although I failed twice ,my father encouraged me to have a (three) try. 虽然我失败了两次,但是爸爸还是鼓励我再试一次虽然我失败了两次,但是爸爸还是鼓励我再试一次third2、一般情况下,序数词前要加定冠词、一般情况下,序数词前要加定冠词the,但基但基数词前不价冠词。如:数词前不价冠词。如: Sunday is the_ (one) day of a week.first There are _ (60) students in our class.sixty3、of the +基数词,表示基数词,表示“范围范围”She is the most beautiful girl of the _ ( 3 )three4、序数词前已有指示代词、物主代词、名、序数词前已有指示代词、物主代词、名词所有格时,不用定冠词词所有格时,不用定冠词the。My _ (第第3) bike was stolen again.third 353房间房间 二年级三班二年级三班 六点二十分六点二十分 四月三十日四月三十日 九点半九点半 七百八十二七百八十二 一百棵橘子树一百棵橘子树 五分之四五分之四 第五十四页第五十四页Room 353Class Three ,Grade Twosix twenty/twenty past sixApril 30thnine thirty/half past nineseven hundred and eighty -twoone hundred orange treesfour-fifthspage fifty-four/ the fifty-fourth page中考链接中考链接