牛津译林版英语7b-unit1-grammar-(共41张PPT)

Unit1Dreamhomes---GrammarGrammarACardinalnumbers（基数词）Weusecardinalnumbersalmosteveryday.No.11BusNo.28ShangwuneihuanRoadNo.21playerPage2810yuanLet’sreadfromoto9.012345zeroonetwothreefourfive6789sixseveneightninePleasereadthesenumbers:124678111214161718213244566778Canyoureadthephonenumbers?Millie62224901_________________________Amy62226390_________________________Daniel62223986_________________________Sandy62220928_________________________Kitty62227395_________________________me62227108_________________________six,two,two,two;six,three,nine,osix,two,two,two;three,nine,eight,sixsix,two,two,two;o,nine,two,eightsix,two,two,two;seven,three,nine,fivesix,two,two,two;seven,one,o,eightsix,two,two,two;four,nine,o,oneLet’sreadfrom10to100.101112teneleventwelve13141516171819thirteenfourteenfifteensixteenseventeeneighteennineteen2030405060708090twentythirtyfortyfiftysixtyseventyeightyninety100onehundred212223twenty-onetwenty-twotwenty-threeCanyoureadthenumbers?•911•715•422•554•218ninehundredandelevensevenhundredandfifteenfourhundredandtwenty-twofivehundredandfifty-fourtwohundredandeighteenlargenumbers1,000onethousand10,000tenthousand100,000onehundredthousand1,000,000onemillionHowdowesayit?•4,056=_____thousandand______•23,813=___________thousand,__________________•567,110=_________________________thousand,__________________•6,425,200=__million,__________________________thousand,__________fourfifty-sixtwenty-threeeighthundredandthirteenfivehundredandsixty-sevenonehundredandtensixfourhundredandtwenty-fivetwohundredFindtherightnumbers.__1.tenthousand,twohundredandsix__2.onehundredandtwenty-six__3.onehundredthousand,twohundredandsixty__4.twelvethousandandtwenty-six__5.onemillion,twohundredthousandandtwenty-six__6.onethousandandtwenty-six__7.onehundredandtenthousand,twohundredandsixa.1,026b.10,206c.110,206d.126e.100,260f.12,026g.1,200,026bdefgacPayattention！1.个位和十位之间要加连字符“–”。2.读三位以上的数词时，要在十位前加“and”,如十位为0则在个位前加“and”。24368689253Payattention！3.在朗读、书写较大的数字前，我们可以先做什么来让我们的朗读、书写变得简单，而不易出错？从后往前每三位标上一个逗号twenty-twobillion,threehundredandsixty-eightmillion,sixhundredandeighty-ninethousand,twohundredandfifty-three，，，millionthousandbillion1.onehundredandeighty2.onethousandeighthundredandfifteen3.ninety-onethousand4.twohundredandsixtythousand5.eightmillion6.thirteenmillionHowtousecardinalnumbers?1.表示数量的多少。如：Therearefifty-twostudentsinourclass.2.表示年份和年龄。如：Iwasbornin1973.Iamfortyyearsold.3.表示时刻。如：---Whattimeisit?---It’stwototwo.4.表示顺序。基数词表示顺序时，由“单数名词+基数词”构成，此时名词和基数词的第一个字母通常都大写。如：ClassFourteenLessonOneRoom505No.4MiddleSchoolPage108注意：“单数名词+基数词”可以转换为“the+序数词+单数名词”，此时的名词和序数词的第一个字母都不大写。LessonOne=thefirstlessonHowtousecardinalnumbers?5.确数与概数的表达。英语中表示确数的方法为“基数词+计数单位（hundred,thousand,million,billion)+名词复数”。如：Thereareaboutseventhousandstudentsinourschool.Therearethousandsofstudentsinourschool.6.“整十”的基数词的复数形式可以用于表示几十年代或在某人几十多岁时。如：Inthe1960s,peoplehadtoleadapoorlife.Heisinhistwenties.Exercises3.请拨89065437打电话给我Pleasecallmeon_______________________________.4.我住在315房间。IliveinRom_______________.5.我早上6点18分起床。Igetupat________________.threeonefiveeightnineosixfivefourthreesevenCanyoureadthemcorrectly?sixeighteenExercises6.Thereare________booksinourlibrary.A.sixthousandsofB.sixthousandsC.sixthousandD.sixthousandof7.Anna住在公寓里的第七层。Annalivesonthe________floorinaflat.1.当有具体数量时，不能加“s”和“of”2.当表示泛指数量时用以下形式:hundredsofthousandsofmillionsofCanyoureadthemcorrectly?seventhOrdinalnumbersGrammarBOrdinalnumbers（序数词）B.OrdinalnumbersWeuseordinalnumberstoorderthingsandevents.Weusethemtotalkaboutdates,floors,positions,etc.Women’sDayisontheeighthofMarch.Ourflatisontheseventhfloor.Heisalwaysthefirsttocometoschoolinourclass.Weuseordinalnumberstoorderthingsandevents.0____________1__________2____________3__________4____________5__________6____________7__________8____________9__________onetwothreefourfivesixseveneightninezeroOdinalnumbers(序数词)firstsecondthirdthfifthththhth口诀：一、二、三特殊记，词尾字母t,d,d,（first,second,third）八去t,九去e,(eight,ninth)10____________11__________12____________13__________14____________15__________16____________17__________18____________19__________eleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteentenththfthththththththth口诀：f来把ve替(fifth,twelfth)Weuseordinalnumberstoorderthingsandevents.Odinalnumbers(序数词)20____________30__________40____________50__________60____________70__________80____________90__________twentythirtyfortyfiftysixtyseventyeightyninetyiethiethiethiethiethiethiethieth口诀：见y变ie,后面再加thWeuseordinalnumberstoorderthingsandevents.Odinalnumbers(序数词)91____________100____________1,000____________1,000,000____________onehundredonethousandonemillionWeuseordinalnumberstoorderthingsandevents.ninety-onefirstththth口诀：若是碰到几十几(twenty-one)，只变个位就可以。(twenty-first)Odinalnumbers(序数词)1月1日1月2日1月3日1月5日2月17日2月19日3月12日4月8日5月4日5月20日5月21日5月30日thefirstofJanuarythesecondofJanuarythethirdofJanuarythefifthofJanuaryFebruarytheseventeenthFebruarythenineteenthMarchthetwelfthApriltheeighthMaythefourthMaythetwentiethMaythetwenty-firstMaythethirtiethWeuseordinalnumberstotalkaboutd