1、中考语法复习中考语法复习专题四专题四-数词数词数词的分类数词的分类将下列数词分类:one,second,three,fourth,four,ten,sixth,eleven,twenty,thirtieth,one hundred,seventh,fifteenth :_:表示数量多少。:_:表示顺序。one,three,ten,elevensecond,fourth,sixth基数词基数词序数词序数词数词数词序数词序数词分分类类基数词基数词数词数词序数词序数词分分类类构成构成基数词基数词基数词的构成基数词的构成基数词的构成基数词的构成1-12是独立词,需单独记忆单独记忆。1_,2_,3_,4
2、_,5_,6_,7_,8_ 9_,10_,11_,12_ 13-19是在个位数词的后面加_.其中_,_,_是不规则变化。13_,14_,15_,16_17_,18_ 19_onefourthreetwofiveninetensixseveneighttwelveelevenfourteenfifteensixteenseventeeneighteennineteenfifteeneighteenteenthirteenthirteen 20-99,整十后加整十后加_,_,_和_是不规则变化。20_,30_,40_,50_,60:sixty,70:_,80:_,90_ 非整十非整十,整十整十“-
3、”加加个位个位 56:fifty-six 69:sixty-nine 71:_,28:_ 三位三位数及数及以上以上,_位和位和_位之间位之间加加_.(若十位为0,则是百位个位之间)百:_ 千_ 百万_,十亿_.twentytyfortythirtyeightyfiftyseventyninetytwentythirtyfortyfiftyseventy-onetwenty-eight百百十十andhundredthousandmillionbillion 888_.104_.1,314_.注:注:数词数词+hundred/thousand/million/billion时,时,hundred,
4、thousand,million,billion不加不加S S 如:200_,5000_ 24000_.只有在加只有在加_表示很多时才加表示很多时才加s s.如:数百:_,数千:_.数百万:_ 数十亿:_.eighty hundred and eighty-five one hundred and four one thousand three hundred and fourteentwenty-four thousandofhundreds ofthousands oftwo hundredfive thousandmillions ofbillions of 英语中没有万和亿,万则用英语
5、中没有万和亿,万则用_来来表示表示,亿则用亿则用_来表示。如:来表示。如:20000:twenty thousand 100000000:one hundred million 9,8000:_:_数词数词+thousand数词数词+millionninety-eight thousand数词数词序数词序数词分分类类构成构成基数词基数词基数词的构成基数词的构成序数词的构成序数词的构成序数词的构成序数词的构成基数词基数词 序数词的规则。序数词的规则。第一:第一:_,_,第二第二:_,:_,第三第三:_:_ 第四到第十二,在第四到第十二,在_加加_._.如:如:fourfourth,ten-_,s
6、ix-_-_,six-_ 注:注:以下为以下为不规则变化不规则变化:five-_ nine-_,twelve-_,eight-_.第十三到十九第十三到十九,直接在直接在_后加后加_._.如:如:fourteenfourteenth firstsecondthird序数词后序数词后thtenthsixthfifthninthtwelftheighth序数词后序数词后th 第第20-第第99的整十数,的整十数,twentytwentieth thirtythirtieth,即变,即变_为为_再加再加_.若非整十数,则只需将若非整十数,则只需将_位基数词变为位基数词变为_.如如 twenty-one
7、:twenty-first ninety-nine:_yieth个个序数词序数词ninety-ninth数词数词序数词序数词分分类类构成构成基数词基数词基数词的构成基数词的构成序数词的构成序数词的构成用用法法基数词的用法基数词的用法_:表表“范围范围”She is the most beautiful of the three(三个之中).Jack是两人之中较高的_.表示时刻。表示时刻。顺读法:钟点顺读法:钟点+分钟分钟。4:30:four thirty 倒读法:分钟倒读法:分钟+to/past+钟点钟点 4:28:twenty-eight past four 十五分钟:_ 三十分钟:_ 练一
8、练:7:15 _ _.10:50 _ _.of+the+基数词基数词Jack is the taller of the two.a quarterhalf(an hour)seven fifteena quarter past seventen fiftyten to eleven基数词的用法基数词的用法 表年龄表年龄 表“多少岁多少岁”:_ 18 years old 复合数词,表”多少岁的多少岁的”:_ She is an 18-year-old girl.at the age of+数词数词:_ in ones+整数数词的复数整数数词的复数:_ in his twenties:在他二十岁的
9、时候 in 1997:_ in the 1970s/in the 1970s_.基数词基数词+year(s)+old基数词基数词-year-old在多少岁的时候在多少岁的时候在某人多少岁的时候在某人多少岁的时候在在1997年年在在20世纪世纪70年代年代数词数词序数词序数词分分类类构成构成基数词基数词基数词的构成基数词的构成序数词的构成序数词的构成用用法法基数词的用法基数词的用法序数词的用法序数词的用法序数词的用法序数词的用法 序数词前常加定冠词序数词前常加定冠词_,_,后面加名词后面加名词_._.如:如:Linda is the first student to arrive school.
10、a/an+序数词序数词:_:_ the+序数词:序数词:_ 如:如:Jack wants a third apple(再一个苹果再一个苹果).Jack wants the third apple(第三个苹果第三个苹果).常与常与_连用,表示连用,表示_._.如:如:The Yellow River is the second longest river in china.单数单数the又又/再一再一第几第几形容词最高级形容词最高级第几最第几最的的分数分数/百分比的表达方法百分比的表达方法 分数的表达方法分数的表达方法 分子用分子用_,分母用分母用_.分子大于分子大于1时时,分分母要用复数。母要
11、用复数。如:如:1/4:one fourth/a quarter 1/2:one second/a half 3/5:three fifths 5/8_ 7/12_ 百分比的表达方法百分比的表达方法:_ 50%的学生:的学生:50 percent of students 30%的水的水:_.基数词基数词序数词序数词five eighthsseven twelfths阿拉伯数字阿拉伯数字+percent+of+名词名词30 percent of water数词数词序数词序数词分分类类构成构成基数词基数词基数词的构成基数词的构成序数词的构成序数词的构成用用法法基数词的用法基数词的用法序数词的用法序
12、数词的用法读读法法基数词的读法基数词的读法 Step1:将数字从右往左每将数字从右往左每_位数用位数用_隔隔开,如:开,如:23,476,852,013 Step2:从右往左从右往左,分别加分别加 thousand,million,billion 如:如:23,(billion)476,(million)852,(thousand)013 twenty-three billion,four hundred and seventy-six million,eight hundred and fifty-two thousand and thirteen3,练一练:2,500,000_ 52,367,420,001two million five hundred thousandfifty-two billion,three hundred and sixty sevenMillion,four hundred and twenty thousand and one.Homework:draw a mind map and complete the mind-map数词数词序数词序数词分分类类构成构成基数词基数词基数词的构成基数词的构成序数词的构成序数词的构成用用法法基数词的用法基数词的用法序数词的用法序数词的用法读读法法Example: