数词ppt课件.ppt

数词ppt课件.ppt

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学习目标一基数词的构成。

二序数词的构成。

三数词的基本用法。

四数词的特殊用法。

数词概述,表示数目多少或顺序先后的词叫数词。

数词分为基数词和序数词。

基数词表示数目或数量多少。

序数词表示顺序和等级。

数词在句中可作主语、宾语、表语、定语和同位语等成分。

一基数词的构成1one11eleven20twenty2two12twelve21twenty-one3three13thirteen30thirty4four14fourteen40forty5five15fifteen50fifty6six16sixteen60sixty7seven17seventeen70seventy8eight18eighteen80eighty9nine19nineteen90ninety10ten100one/ahundred,二序数词的构成,一基数词的构成二序数词的构成1one1st2two2nd3three3rd4fourfourth4th5five5th6sixsixth6th7sevenseventh7th8eight8th9nine9th,first,scond,third,fifth,eighth,ninth,八加h九去e,一二三，特殊记,一基数词的构成二序数词的构成10tententh10theleveneleventh11th12twelve12th13thirteenthirteenth13thfourteenfourteenth14th15fifteenfifteenth15thsixteensixteenth16th17seventeenseventeenth17th,twelfth,e,ve要用f替,一基数词的构成二序数词的构成18eighteeneighteenth18th19nineteennineteenth19th20twenty20th21twenty-onetwenty-21th22twenty-twotwenty-22th23twenty-threetwenty-23th24twenty-fourtwenty-fourth24th,twentieth,first,scond,third,以y结尾变ie,后跟th莫忘记,若想表示几十几只变个位就可以,1,000一千_10,000一万_1,000,000一百万_1,000,000,000十亿_,onethousand,tenthousand,onemillion,onebillion,基数词的构成二序数词的构成25twenty-fivetwenty-fifth25th30thirtythirtieth30th100onehundredonehundredth100th101hundredandoneonehundredandfirst101th,练一练一读出下列数字791039991,3026,896,203123,234,438,209第九第四十第五十二第八十六第三百零三_二写出下列数字.1.twothousandsixhundredandfifty-nine_2.eighteenmilliontwohundredandthirtythousandandsixty-eight_,thethreehundredandthird,2659,18,230,068,练一练一读出下列数字791039991,3026,896,203123,234,438,209第九第四十第五十二第八十六第三百零三_二写出下列数字.1.twothousandsixhundredandfifty-nine_2.eighteenmilliontwohundredandthirtythousandandsixty-eight_,thethreehundredandthird,2659,18,230,068,三数词的基本用法1.数字表示时刻a.整点7:

00读作sevenoclock或seven.3:

00读作b.用past表示“几点过几分”8:

09读作eightonine或ninepasteight11:

26读作结构：

不超过30分钟的，用分钟+past+点钟数c.用to表示几点差几分4:

50读作tentofive12：

50读作-结构：

超过30分钟的，用（60-分钟数）+to+（点钟数+1）d.用half表示半小时5:

30读作fivethirty或halfpastfive4:

30读作e.正好十五分钟也可用quarter例如1:

15读作aquarterpastone9:

45读作,threeoclock,twenty-sixpasteleven,tentoone,fourthirty或halfpastfour,aquartertoten,在时间前用介词at，如：

在6:

45：

ataquartertoseven或atsixforty-five,三数词的基本用法数词表示年月日英语年月日的顺序：

日月,年或月日，年a.在2011年5月1号写作：

on1（st）May,2011或onMay1（st）,2011读作：

onthefirstofMay,twothousandandeleven或onMaythefirst,twothousandandelevenb.在1989年9月写作：

inSeptember,1989读作：

inSeptember，nineteeneighty-nine2013年4月22日：

thetwenty-sendofApril,twothousandandeleven,Aprilthetwenty-sendtwothousandandeleven,3.数词表示编号LessonOne=thefirstlesson结构:

名词+基数词或the+序数词+名词如：

Page5=Room21读作4.表示年龄a.表示十几岁用teens指从13岁到19岁。

在某人十几岁时：

inonesteens.b.表示“几十岁”；用inones+数词复数inonesthirties表示在某人三十几岁时，指从30岁到39岁。

在他五十多岁时写作c.18岁：

eighteenyearsoldd.一个十八岁的男孩：

an18-year-oldboy=aboyof18,inhisfifties,thefifthpage,RoomTwenty-one,thetwenty-firstroom,1.Itisnotrarein_thatpeoplein_fiftiesaregoingtouniversityforfurthereducation.A.90s,theB.the90s,/C.90s,theirD.the90s,their2.Jackisnowin_.thethreegradeB.GradeThirdC.GradeThree3.-Peter,howoldisyourfatherthisyear-_.Andwejusthadapartyforhis_birthdaylastweekFortieth,fortyB.Forty,fortyC.Forty,fortiethD.Fortieth,forthieth,A,C,C,数词的特殊用法1.分数分子用基数词，分母用序数词，分子大于一时，分母用复数形式。

1/3onethird2/3twothirds3/5读作ahalf_threequarters_twothirdsmetre意_2.百分数倍数5%fivepercent67%读作一次once两次twice三次threetimes四次读作六倍读作3.小数0.6zeropointsixonepointfive_4.表示世纪年代a.inthe+数词的复数，意为在年代，如:

inthenineties在九十年代可写作：

inthe90sb.inthe+序数词+century,意为在世纪，如：

在19世纪inthenineteenthcentury在十九世纪三十年代写作thesixthcentury译_intheearly1920s_,threefifths,二分之一,四分之三,三分之二米,sixty-sevenpercent,fourtimes,sixtimes,inthe1830s,六世纪,在二十世纪二十年代早期,1.5,_ofthelandinthatdistrict_coveredwithtreesandgrass.A.Twofifth,isB.Twofifth,areC.Twofifths,isD.Twofifths,are,C,分数和百分数作主语时，关键是看其后的名词来决定其谓语动词的数。

该题中的是不可数名词，所以动词需用单数。

5.hundred,thousand,million的用法a.与具体数次one,two或several等连用时，要用单数如：

300人：

threehundredpeopleb.与of连用，要用复数，前面不能加具体数词，表示“数百”、“数千”、“数百万”等不确切数目如：

hundredsofpeople6.数词加减乘除表示法a.“加”用plus,and,或add表示：

等于用“is，等词表示如：

2+3=?

Howmuchistwoplusthree?

2+3=5Twoplusthreeisfive.b.“减”用minus表示10-6=4Tenminussixisfour.c.“乘”用time或multiply表示34=12Threetimesfouristwelve.d.“除”用divide的过去分词形式表示164=4Sixteendividedbyfourisfour.,当堂检测1.IstudyinPingLiChengguanMiddleSchool,therearetwo_studentsinourschool.thousandsB.thousandsofC.thousandofD.thousand2Whenspringcomes,_treesareplantedinourcity.A.amillionofB.millionsofC.twomillionsD.millionof3.Fiveminustwo_three.A.wasB.areC.wereD.is,C,D,D,7.不定冠词+序数词表示“又一次”。

a.Doyouwanttotryathirdtime?

你想做第三次尝试吗？

b.Thelittlemonkeyhadhadthreebananas,andhewantedtoeatafourthone.我可以再试一次吗？

8.数词用连字符“-”连接作复合定语amillion-poundnote一张百万英镑的支票atwo-thousand-wordcomposition_atwenty-metre-widesquare_他有一个三岁大的妹妹。

_9.用在习语中intwosandthrees三三两两atsevensandeights_,MayIhaveascondtry,一篇两千字的作文,一个二十米宽的广场,Hehasathree-year-oldsister.,乱七八糟,中考风向标1.千以内数词的表达方法。

2.基数词变为序数词的方法。

3年月日编号时刻的表达方法。

4.分数小数的表达方法。

中考演练选择题1.-Whenwasheborn?

-Hewasborn_.A.in1988June6B.onJune6,in1988C.inJune6,1988D.onJune6,19882.Thelibraryintheschoolisntlarge.Thereareonly_booksinit.A.sixthousand,fivehundredandforty-oneB.sixthousandandfivehundredandforty-oneC.sixthousandsfivehundredfortyandoneD.sixthousand,fivehundredsandforthone3.AthoughIfailedfourtimes,myfatherencouragedmetotrya_time.A.twoB.fourC.thirdD.fifth,D,A,D,4.TheOlympicsGamesareheld_.A.everyfouryearsB.everyfouryearC.everyfourthyearsD.everyfour-year5._thestudentsinourschoolisabouttwothousand,and_ofthem_girls.A.Anumberof;twothird;areB.Thenumberof;twothirds;isC.Anumberof;twothirds;isD.Thenumberof;twothirds;are6.Theyellowriveris_inChina.ItgoesthroughmanycitiesinChina.A.thesecondlongestriverB.thelongestscondriverC.thescondlongestriversD.thelongestscondrivers,A,D,A,7.Inourschoolmorethan_boys_likeEnglish.A.twofifths;dontB.twofivesdontC.twofifthsdoesntD.scondfivedoesnt8.Thecarcostme_dollars.A.eightthousandsB.eightthousandofC.eightthousandsofD.thousandsof9.Thewartookplace_.A.1720sB.1720sC.inthe1720sD.the172010.Igotabeatutifulbikeon_birthday.Ilikeitverymuch.A.fifteenthB.fifteenC.myfifteenD.myfifteenth,D,C,C,A,Thebestclassroomintheworldisatthefeetofanelderlyperson.世界上最好的课堂在老人的脚下.Havingachildfallasleepinyourarmsisoneofthemostpeacefulfeelingintheworld.让一个孩子在你的臂弯入睡,你会体会到世间最安宁的感觉.Beingkindismoreimportantthanbeingright.善良比真理更重要.Youshouldneversaynotoagiftfromachild.永远不要拒绝孩子送给你的礼物.Sometimesallapersonneedsisahandtoholdandahearttounderstand.有时候,一个人想要的只是一只可握的手和一颗感知的心.Love,nottime,healsallwounds.治愈一切创伤的并非时间,而是爱.Lifeistough,butImtougher.生活是艰苦的,但我应更坚强.,励志名言,请您欣赏,二序数词的构成,一基数词的构成二序数词的构成1one1st2two2nd3three3rd4fourfourth4th5five5th6sixsixth6th7sevenseventh7th8eight8th9nine9th,first,scond,third,fifth,eighth,ninth,八加h九去e,一二三，特殊记,一基数词的构成二序数词的构成18eighteeneighteenth18th19nineteennineteenth19th20twenty20th21twenty-onetwenty-21th22twenty-twotwenty-22th23twenty-threetwenty-23th24twenty-fourtwenty-fourth24th,twentieth,first,scond,third,以y结尾变ie,后跟th莫忘记,若想表示几十几只变个位就可以,1,000一千_10,000一万_1,000,000一百万_1,000,000,000十亿_,onethousand,tenthousand,onemillion,onebillion,基数词的构成二序数词的构成25twenty-fivetwenty-fifth25th30thirtythirtieth30th100onehundredonehundredth100th101hundredandoneonehundredandfirst101th,三数词的基本用法1.数字表示时刻a.整点7:

00读作sevenoclock或seven.3:

00读作b.用past表示“几点过几分”8:

09读作eightonine或ninepasteight11:

26读作结构：

不超过30分钟的，用分钟+past+点钟数c.用to表示几点差几分4:

50读作tentofive12：

50读作-结构：

超过30分钟的，用（60-分钟数）+to+（点钟数+1）d.用half表示半小时5:

30读作fivethirty或halfpastfive4:

30读作e.正好十五分钟也可用quarter例如1:

15读作aquarterpastone9:

45读作,threeoclock,twenty-sixpasteleven,tentoone,fourthirty或halfpastfour,aquartertoten,在时间前用介词at，如：

在6:

45：

ataquartertoseven或atsixforty-five,谢谢！