初三英语专项复习课件语法1

九年级英语新目标Goforit!磐石市第三中学王静丽一般现在时一般过去时三种时态现在进行时一般现在时•它表示1)经常性、习惯性的动作或存在的状态。e.g.Igotoschoolonfoot.Heisverybusynow.2)表示主语的特征、性格、能力、爱好等。e.g.Hecanswim.Iworkhard.IlikewatchingTV.3)表示客观真理e.g.Therearesevendaysinaweek.Themoonmovesroundtheearth.•其时间状语为often、usually、always、sometimes等频率副词，onSaturdays、inthemorning(afternoonevening)、everyday等。第一种含be动词的•Iamateacher.Sheisastudent.•SheisMissLi.Sheisfriendly.•Weare14yearsold.Sheisyoung.•含有be动词的句式变化要在be上做变化.E.g.Dannyisagoodstudent.Dannyisn’tagoodstudent.IsDannyagoodstudent?第二种含有行为动词的•其结构通常为，“主语+谓语+其它”•这种情况又分两种，分为１主语不是第三人称单数的时候２主语是第三人称单数的时候２．１主语为非第三人称单数的时候肯定结构主语＋行为动词＋其它否定结构主语＋don’t+行为动词＋其它一般疑问句结构Do＋主语＋行为动词＋其它？Theyhavelunchat12:00.Theydon’thavelunchat12:00.Dotheyhavelunchat12:00?２．２主语为非第三人称单数的时候肯定结构主语＋行为动词(三人称单数)＋其它否定结构主语＋doesn’t+行为动词（原形）＋其它一般疑问句结构Does＋主语＋行为动词（原形）＋其它？JennyspeaksEnglishverywell.Jennydoesn’tspeakEnglishverywell.DoesJennyspeakEnglishverywell?什么时候主语是第三人称单数•１人称代词hesheit•2单个人名，地名或称呼•３可数名词单数或this/that/the+单个可数名词•４不定代词以及指示代词thisthat•5不可数名词做主语•６当数字或字母做主语时，也看作第三人称单数．主单三，谓单三１sitstandsnowrainsleepStopbookmakefindrun2washwatchfinishguessdogo3studycarry•谓语动词的三人称单数的变化规则与名词变复数的规则相同enjoystayplaystoprunhave动词第三人称单数请您欣赏Mostverbs+swalkwalkslivelivesVerbsendinginaconsonant+y-y+iesflyfliesstudystudiesVerbsendinginss,ch,shorx+esmissmisseswatchwatchesfinishfinishesfixfixesHowtoadd“s”“es”totheverbs74.Hisbrotherplaysfootballafterschool.(playbasketball)5.Itlookslikeacat.(hat)6.Shehasadogathome.(acat)Model1:Ilikefish.(meat)Idon’tlikemeat.Model2.Helikesreading.(writing)Hedoesn’tlikewriting.Hisbrotherdoesn’tplaybasketball.Itdoesn’tlooklikeahat.Shedoesn’thaveacatathome.11现在进行时•1、现在（说话的瞬间）正在进行或发生的动作，强调“此时此刻”。•E.g.Heisreading.Theyaretalkingnow.•2、当前一段时间内的活动或现阶段正在进行的动作。E.g.Theyareworkingthesedays.•一般由look,listen,now,atthismoment等时间状语做标志。其结构:be+现在分词.•肯定结构be+doing•否定结构benot+doing•一般疑问句结构Be+主语+doing+其它？其句式变换都在be上做文章。•E.g.Heisbuyingabike.•Ishebuyingabike?•Heisn’tbuyingabike.动词ing形式欢迎继续收看动词现在分词的变化规则•大多是动词原型+ing•Reading,drinking,eating,meeting•thinking•特殊变化:1.以不发音的e结尾，去e加ing•Writing,making2.重读闭音节要双写结尾的辅音字母加ing•Sittingswimmingputtingrunning改错．•注意•Playstudy•Swimchatbegin•Eat•Prefer一般过去时•一般过去时主要表示过去某时发生的动作或情况•1）过去某个时间所发生的动作或存在的状态。e.g.Iboughtanewshirtyesterday.Hewasaworkertwoyearsago.2）过去一段时间内，经常性或习惯性的动作。e.g.WhenIwasachild,Ioftenplayedwithfire.LiLeialwayswalkedtoschoollastterm.3）谈到已故人的情况时多用过去时。e.g.LuXunwasagreatwriter.•其时间状语为yesterday或由其构成的短语,e.g.yesterdaymorning;由last+时间构成的短语,e.g.lastyear;由时间段+ago构成的短语,e.g.threedaysago;另外,还有onthemorningofMonday,justnow等其结构是主语+动词的过去式。•第一种含有be动词的•Iwas22.Weweregoodfriends.•Shewasyoungandbeautiful.•Theywerehappyattheparty.•其句式变化含有be动词的依然在be上做文章.e.g.Iwasbornin1980.•Iwasnotbornin1980.•Wereyoubornin1980?第二种含有行为动词的•肯定结构•主语＋行为动词（过去式）＋其它否定结构主语＋didn’t+行为动词（原形）＋其它一般疑问句结构Did＋主语＋行为动词（原形）＋其它？动词过去式规则变化请您欣赏动词的过去式•be动词的过去式为was,were；•行为动词的过去式有规则变化和不规则变化两种，•规则变化有以下几种情况：•1）直接在动词原形末尾加-ed.e.g.work-----worked;ask------asked;•2）以e结尾的动词只加-d.e.g.arrive-----arrived;like-----liked.•3)末尾只有一个辅音字母的重读闭音节,应先双写这个辅音字母,再加-ed.e.g.shop-----shopped;stopped•4)以辅音字母+y结尾的动词,先把y变成i,再加-ed.e.g.carry----carried;study------studied.•有些动词变过去式是不规则的,e.g.fly------flew;break-----broke;teach-----taught.这些需要象生单词一样记住.•Putcutreadcomegotake•SwimrunbegindoPlayenjoystopFillintheblankswiththerightformsofthegivenverbs.1.Mymotheris_______(cook)supper.Myfatheris________(wash)thecar.2.Theyare_________(run)overthere.3.OurEnglishteacheris________(talk)withanewstudent.cookingwashingrunningtalkingExercise:1.We__________(watch)TVnow.2.He_______(do)hishomeworknow.3.Look!Thatgirl______(ride)thebike.4.She_______(fly)akiteintheparknow.5.TomandI___________(clean)ourbedroomnow.6.MymotherandI___________(make)cakesnow.7.Thebabyissleepingandhismother_________________(lookafter)him.8.Listen!Thetwins__________(sing)underthetree.arewatchingisdoingisridingisflyingarecleaningaremakingisaresinginglookingafter1.It’seighto’clock.Jim’sfamily__TV.A.iswatchingB.arewatchingC.watchD.towatch2.Mymotheris__acake__mybirthday.A.making,toB.making,forC.doing,toD.doing,for3.Letme__thesebooksinthebox.A.putsB.putC.toputD.putting4.__you__thewindow?—Yes,Iam.A.Do,cleanB.Is,cleaningC.Are,cleaningD.Do,cleaningBBBCCompletethesentences.Usetheproperverbformsinbrackets1.Jordan_______(play)basketball.He___________(notplay)football.2.I_______(go)swimmingonSunday.ButI___________(notgo)shopping.3.Mycousins_______(enjoy)computergames.Butthey__________(notenjoy)ballgames.4.You_______(like)fish.Buthe___________(notlike)fish.playsdoesn’tplaygodon’tgoenjoydon’tenjoylikedoesn’tlike12用括号內的字完成下列各句1.Sue(eat)______popcornand(drink)_________acolaatthemovietheaterlastnight.I(eat,not)___________anything.I’monadiet2.Mariah(ask)_____theteacheraquestioninclassyesterday.Theteacher(think)_________aboutthequestionforafewminutesandthensaid,“Idon’tknow.”atethoughtdrankdidn’tasked用括弧內的字完成下列各句3.A:WhyareyououtofbreathB:I(run)_______toclassbecauseIwaslate.4.A:(Ms.Carter,teach)____________classyesterday?B:No,shedidn’t.Mr.Adams(teach)________ourclass.ranDidMs.CarterteachtaughtSingaSongMonday,Monday.It’sasu