2017年中考英语(广东专版)语法课件-第四章数词.pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,#,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,#,数词是表示数量和顺序的词，其用法相当于名词或者形容词。数词分为基数词和序数词。,第 四 章 数 词,考 点,1,基 数 词,1.,基数词的构成,构成方法,举例,(1)112,的基数词是独立的，需牢记,1(one),2(two),3(three),4(four),5(five),6(six),7(seven),8(eight),9(nine),10(ten),11(eleven),12(twelve),(2)1319,的基数词以,teen,结尾,13(thirteen),，,15(fifteen),，,18(eighteen),的拼写较特殊,(3)2090,的整十数以,ty,结尾,20(twenty),，,30(thirty),，,40(forty),，,50(fifty),，,80(eighty),的拼写较特殊,构成方法,举例,(4),十位数与个位数之间要加连字符,“-”,53(fifty-three),76(seventy-six),(5),百位和十位,(,若无十位，则和个位,),之间加,and,892(eight hundred and ninety-two),(6),四位数以上的数要借用科学记数法，从后往前数，每三位数加“，”，第一个逗号为千,(thousand),，第二个逗号为百万,(million),，第三个逗号为十亿,(billion),3,999(three thousand nine hundred and ninety-nine),注,：英语中没有表示“万”“十万”的单词，要用“几十个千”,(thousand),来表示“几万”，“几百个千”来表示“几十万”。如：,10 000(ten thousand),，,30,万,(three hundred thousand),2.,基数词的用法,(1)hundred,，,thousand,，,million,的特殊用法,后,接,of,时,，词尾须加,s,，且前面不能有具体,数字。,如,:,thousands of,成千上万,millions,of,数百万计的,前面有具体数字时，不管数字是多少，这些词后面都不能加,s,，也不能与,of,连用。,如：,800(eight hundred)3,000(three thousand),hundreds,of/thousands of/millions of,前面可被,many,，,several,，,a few,修饰。,如,：,many/several thousands of,成千上万的,(2),编号,表示法,汉语,英语,用法,第一课,/,第二单元,Lesson One/1=the first lesson,Unit Two/2=the second unit,(1),名词,+,基数词,=the+,序数词,+,名词,(,注意大小写,),(2),如果编号的数字比较长，一般用“名词,+,基数词”表示,第四页,Page Four/4=the fourth page,6,路公车,Bus No.6=the No.6 bus,308,房,Room 308,九年级,6,班,Class 6,Grade 9,=Class Six,Grade Nine,第一中学,No.1 Junior High School,表示法,举例,用法,顺读法,时,+,分,7,：,30,(seven thirty),具体时刻前用介词,at,逆读法,当分钟小于,30,时用,past(,过,),即,“,分钟,+past+,钟点数,”,7,：,20,(twenty past seven),当分钟大于,30,时用,to(,差,),即,“(60-,分钟,)+to+(,钟点数,+1)”,6,：,40,(twenty to seven),当分钟等于,30,时,用“,half past+,钟点数”,7,：,30,(half past seven),(3),时刻表示法,(4),年、月、日表示法,用法,举例,年,多用阿拉伯数字表示，但需要注意读法，四位数年份常分为两组来读；年份前用介词,in,in,2016,(in twenty sixteen),月,首字母要大写，月份前用介词,in,in July,日,年、月、日连用时常在年份前加逗号，介词用,on,on July 2nd,，,2016,(5),世纪、年代表示法,汉语,英语,21,世纪,(in)the twenty-first century/in the 21st century,20,世纪,80,年代,(in)the 1980s,2016,年,(in)twenty sixteen,(6),年龄表示法,。,汉语,英语,他,15,岁,He is 15(years old).,他,15,岁,He is at the age of 15.,他三十多岁,He is in his thirties.,一个,15,岁的男生,a 15yearold boy,=a boy of 15 years old,=a boy of 15,(7),倍数表示法,用法,举例,表示“是,几倍”：,倍数,+as+,形容词,/,副词原级,+as,The room is three times as big as that one.,“,比,大几倍”：倍数,+,形容词,/,副词比较级,+than,The room is three times bigger than that one.,(8),其他主要表示法,分类,汉语,英语,“半”的表示法,一个半小时,(1.5,小时,),one and a half hours=one hour and a half,两年半,two and a half years=two years and a half,半小时,half an hour,半杯茶,half a cup of tea,another,，,more,的表示法,另外两个小时,/,多两个小时,另外两个人,/,多两个人,another two hours=two more hours,another two people=two more people,路程、时间,5,分钟的路程,5-minute walk=5 minutes walk,10,天的假期,10-day holiday=10 days holiday,举一反三,()1.Its never too old to learn.Karl Marx began to learn English in his _.(2014,广东省,),A.the fiftieth B.fiftieth C.fifty D.fifties,()2.Please turn to page _ and take a look at the picture on it.(2016,广东省,),A.the eightieth B.eightieth C.eighties D.eighty,中考真题,D,D,()1.Which row are you in,？,Im in _.,A.Row Fourth B.The Row four,C.Four Row D.Row Four,()2.The factory is small.There are only _ workers in it.,A.two hundred B.two hundreds,C.two hundred of D.two hundreds of,中考,预测,D,A,考 点,2,序 数 词,序数词表示人或事物的顺序。序数词的构成以基数词为基础，通常在后面加“,th”,构成，序数词前一般要加定冠词,the,。,1.,基数词变序数词的构成规则,口诀,举例,(1),一二三，特殊记，词尾分别,tdd,one first,，,two second,，,three third,(2),八去,t,，九去,e,，,ve,要用,f,替，,ty,结尾变,tie,，再加,th,莫忘记,eight eighth,，,nine ninth,，,five fifth,，,twelve twelfth,，,twenty twentieth,，,thirty thirtieth,，,forty fortieth,(3),若遇几十几，只变个位就可以,twenty-six twenty-sixth,，,fifty-one fifty-first,(4),其他情况,six sixth,，,eighteen eighteenth,2,.,序数词的用法,用法,举例,(1),作定语时，一般要与定冠词或物主代词连用,Tom is the first child of the family.,(2),与,a/an,连用时，表示数量上“又一”“再一”,Though he failed twice,，,he would like to have a third time.,(3),表示分数时，分子用基数词，分母用序数词，当分子大于,1,时，分母要用复数,1/4,写作,one fourth,或,one quarter,1/2,写作,one second,或,a half,2/3,写作,two thirds,3/4,写作,three fourths,或,three quarters,举一反三,()1.How was your weekend,？,Great!It was my grandfathers _ birthday.We enjoyed ourselves.(2012,广东省,),A.seventy B.seventieth,C.the seventieth D.seventeenth,()2.I live in Room 403,Sam lives in the room right above mine,on the_ floor.(2015,广东省,),A.third B.three C.fifth D.five,中考真题,B,C,()3.I heard that your friend Amy had a big family.Is that true,？,Yes.Shes the _ child in her family.,A.ninth B.nine C.nineth D.nineteen,()4.Now let me have _.,A.the third try B.a third try,C.third try D.this third try,中考,预测,B,A,实战演练见复习书,28,30,页,终与梦想比肩，加油！,