秀讲数词(基数词和序数词)ppt课件.ppt

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1、,Nice to meet you!,数词,Miss Zeng,数词,基数词:,表示数量的词,序数词:,表示顺序的词,数词,12345678,onetwothreefourfivesixseveneight,基数词,9101112,nineteneleventwelve,（一）、一至十二的数:,（二）、十几的数:都是以-teenti:n结尾，,13141517161819,thirteenfourteenfifteensixteenseventeeneighteennineteen,基数词,（三）、整十数都是以ty ti 结尾,2030405060708090,twentythirtyfort

2、yfiftysixtyseventyeightyninety,基数词,(四)、几十几的数：,thirty two,点拨：几十几的数：先说“几十”再说“几”中间用连字号“-”即：“整十数+连字号+个位数”(五)几百几的数：先说“几百”，再说“几十几”。百位和十位之间用and 连接。即：百位数+hundred and+末尾数。,基数词,基数词,例：32,如：235,two hundred and thirty-five,小结：基数词的构成,0-12是独立的单词,zero,one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve,1

3、3-19带有后缀teen,20-90各整十位数带有后缀 ty,21-99十位和个位数之间要用连字符号“-”,101-999百位数+hundred and+末尾数。,thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen,twenty,thirty,forty,fifty,sixty,seventy,eighty,ninety,如:21,seven hundred and eight,99,twenty-one,ninety-nine,构成特点,单 词,three hundred and fifty-nine,1234567,f

4、irst=1st second=2ndthird=3rdfourth=4thfifth=5thsixth=6thseventh=7th,序数词,(一)、1-12的数：,8 9101112,onetwothreefourfivesixseven,10,13141516171819,(二)、十几的数（即13-19的数）：,序数词,thirteenfourteenfifteensixteenseventeeneighteennineteen,（二）、整十数都是以ty ti 结尾,2030405060708090,twentieth=20ththirtieth=30thfortieth=40thfif

5、tieth=50thsixtieth=60thseventieth=70theightieth=80thninetieth=90th,11,序数词,twentythirtyfortyfiftysixtyseventyeightyninety,first,second,third,eighth,ninth,fifth,twentieth,fortieth,ninetieth,twenty-first,forty-fourth,one hundred and third,twelfth,one hundred and three,让我们来找找其中的规律,巧记基数词变序数词,基变序，有规律，词尾都加

6、th。一二三，特殊记，词尾字母tdd。八去t，九减e，f来把 ve替。ty结尾很容易，ty变成tie。要是遇到几十几，只变个位就可以。,注意：序数词在使用时，通常前面要加定冠词the。,1、把下列基数词变为序数词。two-three-nine-twelve-twenty-eight-five-thirty-one-,second,third,ninth,twelfth,twentieth,eighth,2、按要求变换句子。1、My birthday is on August fourth(对划线部分提问）is birthday?2、Nick is thirteen years old.(提问）

7、_ _ is Nick?3、My birthday is on January 10th.(一般疑问句并做否定回答）_ _ birthday on January 10th?No,_ _,How old,Is your,fifth,thirty-first,it isnt,能力训练,基础训练,January is the_ month of a year.March is the _month of a year.April is the _month of a year.June is the _month of a year.July is the _month of a year.,fi

8、rst,third,fourth,sixth,seventh,小试牛刀,基础训练,_ is the 1st month of the year._ is the 2nd month of the year._is the 5th month of the year.August is the _ month of the year.October is the_ month of the year.,January,February,May,eighth,小试牛刀,基础训练,tenth,Spring Festival(春节)is in _ or _.Tree Planting Day(植树节)

9、is in _.Mothers Day is in _.National Day(国庆节)is in _.Teachers Day is in _.,January February,March,May,October,September,Christmas Day（圣诞节）is in _.April Fools Day(愚人节)is in _.Childrens Day(儿童节)is in _.Students have summer holiday(暑假)in _ and _.Thanksgiving(感恩节)is in _.,December,April,June,August,Nove

10、mber,你知道这些节日吗？,July,1、表示页数；电话号码；公共汽车路线；学校；医院；年级；班级；年份等,例如：,page 1 读作page one,Class One,Grade Nine,数词的基本用法,nineteen ninety-eight,2、表达时刻：,数词的基本用法,例如：,at five(oclock)；,at four ten 或 at ten past four,at six fifty 或 at ten to seven,（整点）,（分钟数小于30）,（分钟数大于30）,3、分数的表达法,分数由基数词和序数词合成：分母用序数词，分子用基数词；分子在前，分母在后。当分

11、子大于1时，分母用复数形式。,one third,two thirds,one fifth,three fifths,子基，母序；子前，母后。,巧记分数表达法：,数词的基本用法,4、hundred、thousand、million 的用法,如果表示具体的几百、几千、几百万时，三个单词后都不用复数形式；如果用了复数形式，要跟of连用，构成固定的搭配。hundreds of 成百上千的 thousands of 成千上万的 millions of 数以百万计的,数词的基本用法,5：英语日期表达法：在日期方面，美英的表达方式是有差别的。以日为先，月份为后，此为英国式，美国式则与此相反。如1963.3

12、.2的写法：2nd March,1996(英)March 2,1996(美)在美式的写法中，1st,2nd,3rd的st,nd,rd是不使用的。由于日期书面表达不同，读法也不一样。如：1987年4月20日英式的写法是20th April,1987，读成the twentieth of April,nineteen eighty-seven;美式的表达是April 20,1987，则读成April the twentieth,nineteen eighty-seven。,数词的基本用法,6、由基数词构成的复合词，名词 不用复数形式,而且单词之间必须用连词符号“-”连接。,一个五岁的男孩：,一百一

13、十米跨栏：,例如：,a five-year-old boy,110-metre hurdles（跨栏）,要小心哦！,考点练习,1.December is the _ month of the year.A.twelve B.twelveth C.twelfth 2._ of the newspapers in the world are written in English.A.Three four B.Three fourths C.Three fourth D.Third four3.There are _ people in Peters family,They live on the

14、_ floor in a tall building.A.six,eighteenth B.six,eighteenC.sixth,eighteen D.sixth,eighteenth,C,B,A,4.Both of the two rulers are broken.I want to buy a _ one.A.three B.forth C.third D./5._ people had to leave their hometown（家乡）during the war.(战争)A.Three thousands B.Thousand of C.Seven thousands D.Th

15、ousands of,考点练习,C,D,（05年中考题）1、-What class are you in,Mike?-Im in _.A Grade Three,Class Two B Class Two,Grade ThreeC class two,grade three D grade three,class two（06年中考题）2、_Iraqi（伊拉克的）people died in the Iraq（伊拉克）war.A Thousand of B Thousands ofC Many thousand of D Thousands,直击中考,小试牛刀,B,B,A,3.Liu Xian

16、g,21,is an Olympic winner in the _hurdles(跨栏).Were proud of him.A 110-metre B 110-metres C 110 metre4.We have only _(first)earth.We must take good care of it.（06年中考题）5.-Where will we have our chemistry lesson this afternoon?（06年中考题）-In the chemistry lab on the_(three)floor.,直击中考,小试牛刀,one,third,Thank you!,