一般现在时课件.ppt.ppt

一般现在时,定义:一般现在时。表示通常性、规律性、习惯性的状态或者动作（有时间规律发生的事件）的一种时间状态,具体运用,1.表示经常的或习惯性的动作，常与表示频率的时间状语连用。时间状语：always,usually,everymorning/night/evening/day/week/year,often,sometimes,twiceaweek,seldom,onceamonth,onSundayse.g.Ileavehomeforschoolat7:00everymorning.Igetupatsixinthemorning.,2.表示客观事实和普遍真理。e.gTheearthmovesaroundthesun.ShanghailiesintheeastofChina.3表示格言或警句中。e.gPridegoesbeforeafall.骄者必败。注意：此用法如果出现在宾语从句中，即使主句是过去时，从句谓语也要用一般现在时。例：Columbusprovedthattheearthisround.,表达方法,主要通过谓语动词的变化和用时间词语来表示，其中最主要的是谓语动词的变化。一般现在时动词变化的规则是：,1.如果主语是名词复数和第一人称I、we，谓语动词不用做任何变化，即仍然用动词原形表示：肯定句主语+动词原形+其他否定句主语+dont+动词原形+其他一般疑问句Do+主语+动词原形+其他例1)Weusuallygotoschoolat7:30.我们通常7:30上学去。go2)Myparentsgivetenyuantomysistereveryweek.我父母每星期给我妹妹十元钱。,2.主语是任何一个单数名词或者是第三人称单数，谓语动词要进行必要的变化。特别提一点：不可数名词也算作单数处理。肯定句:主语+动词的第三人称单数+其他否定句:主语+doesnt+动词原形+其他一般疑问句:Does+主语+动词原形+其他肯定回答:Yes，主语+does否定回答:No，主语+doesnt特殊疑问句:特殊疑问词+一般疑问句,1、一般动词，在词尾加s;如：work-works,live-lives,play-plays,sing-sings.eg:ShelivesinNingbo.她住在宁波。2、以/s/z/等音素结尾的动词，词尾加-es，如词尾为e，只加-s.读作/iz/如：teach-teaches,wash-washes.eg:Mymotherwashesthecoat.我母亲洗了大衣。,行为动词do一般现在时第三人称单（he,she,it)的构成规则：,动词变化规律,3.以辅音字母加Y结尾的词，把Y变I在加ES，读作Z,Studyfly,studies,flied,4.以辅音字母+O结尾的词，一般情况是在词尾加es读作Z,godo,goes,does,5.特殊情况：,havehas,EX21.Tomoften_(get)upatsixinthemorning2.Theearth_(go)aroundthesun.3.Marysparent_(live)inBeijing.4.She_(draw)verywell.,Ex1.写出下列词的单三形式：look;go;give;fly;have,looks;goes;gives;flies;has,gets,goes,lives,draws,II一般现在时的否定式,1.Be动词的否定式:be+not,Iamateacher.YouareaworkerSheisadoctorWearefriends.,ImnotateacherYouarentaworkerSheisntadoctor.Wearentfriends.,isnot=isntarenot=arent,否定句,否定句型,1.谓语动词或助动词是be、have或者情态动词can/may/must等，在将助动词后加not.Iamnotatcollege.Mr.Wangisnt50yearsold.TheJacksonsdoesnthavetwosons.Youmaynotgonow.,2.谓语动词是实义动词，是在谓语动词前加donot或doesnot，谓语动词改用动词原型。Idonthavelunchathome.Theydontplaybasketballonthesportsground.Mr.JimmydoesntknowFrench.,Ex1.将下列各句从肯定式改为否定式,ItalktoPeterbecauseIlikehim.KatecomesfromAmerica.KateworkswithPeterIamChinese,andIamastudent.Theyknoweachother.,IdonttalktoPeterbecauseIdontlikehim.,KatedoesntcomefromAmerica.KatedoesntworkwithPeter.,IamnotChinese,andIamnotastudent,Theydontknoweachother.,疑问句型,1.对于谓语动词或助动词是be、have、can/may/must等，将这些词移到主语前面。Areyoustudents？Yes,weare./No,wearent.IsJaneintheclassroom?Yes,heis./No,heisnt.Doesthehousehavetworooms?Yes,itdoes/No,itdoesnt.Isthereanywaterintheglass?Yes,thereis./No,thereisnt.Canyouswim?Yes,Ican./No,Icant.,2.谓语动词是实义动词，方法是在主语前加助动词do或does构成，句中动词要改用原型动词。do用于第一人称和名词复数，does用于第三人称单数和名词单数或不可数名词。Doyouknowit？Yes,Ido./No,Idont.Doesshehaveapen？Yes,shedoes./No,shehasnt.have这里是实义动词Dotheyplaybasketballafterschool?Yes,theydo./No,theydont.,概念：用yes或no来回答的疑问句叫做一般疑问句。,III一般疑问句,Iamateacher.Youareaworker.Heisastudent.Wearefriends.,1.对于BE动词，疑问句要求把BE提前，第一人称的单数和复数（I/WE），第一变成第二人称。,疑问句,Areyouateacher?Areyouaworker?Isheastudent?Areyoufriends?,2.对于实意动词，疑问句要求是：当主语是他(he)，她(she)，它(it)时，句子前面加DOES，并把动词恢复原形；当主语是其他人称时，句前加DO，第一人(I/we)称换第二人称(you)。,Ioftengothere.Youlikethemusic.Hegoestoworkbybus.We/You/Theylikeit.,Doyouoftengothere?Doyoulikethemusic.?Doeshegotoworkbybus?Doyou/theylikeit?,Ex1.请做练习,1.HerparentsliveinShanghai.否:Herparents_inShanghai.疑：_herparents_inShanghai?.2.YoustudyEnglish.否：YoustudyEnglish.疑：youstudyEnglish?3.HowoftenTomfootball?A.is,playB.do,playC.does,playD.does,plays,dontlive,Do,live,Dont,Do,C,请把下列句子变成否定句和疑问句。,Thesunrisesintheeast.2.Tomgetsupatsixinthemorning.,Thesundoesntriseintheeast.Doesthesunriseintheeast?,Tomdoesntgetupatsixinthemorning.DoesTomgetupatsixinthemorning?,3.TheyliveinShanhai.4.Iamastudent.,TheydontliveinShanhai.DotheyliveinShanhai?,Iamnotastudent.Areyouastudent?,2019/12/13,21,可编辑,.特殊疑问句,特殊疑问句在考试中涉及的比较多，主要以选择和转换句型为主，首先要掌握一些常用疑问词的意思如：what（什么）,when,whattime（什么时间）,who（谁）,where（在哪里）,why（为什么）,how（怎样）,howmany+可数名词的复数（多少），howlong（多长时间）,howoften（多久一次）等，其次掌握它的语序，即就是特殊疑问词+一般疑问句语序（Who）除外,一、疑问词+一般疑问句句序：Whereareyoufrom?Imfromthenorth.Whatdoyouwant?Iwantthebooksonyourdesk.,特殊疑问句的语序,二，与陈述句的语序同：（疑问词作主语或修饰主语)Whogivesyouthepresent.Mr.Wanggivesmethepresent.Whatisinthebox?Whichismine?Whosebookisonthedesk?,Tomgoestoschooleverydaybybike.1.就Tom提问2.就goestoschool提问3.就bybike提问,Ex.请做练习。,1.Whogoestoschooleverydaybybike?,2.WhatdoesTomdoeverydaybybike?,3.HowdoesTomgotoschooleveryday?,Ex2.将下列句子变成其否定句，并就斜体部分提问。1.ShecomesfromAmerica.2.Iusuallygotoschoolbybike.,DoesshecomefromAmerica?ShedoesntcomefromAmeica.Wheredoesshecomefrom?,Idontusuallygotoschoolbybike.Doyouusuallygotoschoolbybike?Howdoyouusuallygotoschool?,V选择疑问句,选择疑问句:(直接回答，与YES和NO无关）1Doessheworkinafactoryorinanoffice?2Whichdoyoulikebest,football,basketballorvolleyball?Eg:Doessheplayfootballorbasketball?A.Yes,shedoesB.sheplaysfootball.C.No,shedoesnt,反意疑问句，遵循的原则是：前肯，后否；前否，后肯。其中，前否包括是带有not的否定，还包括前面句中含有否定意义的词，如seldom（很少）,hardly（几乎不）,never（从来也不）,little,few（很少，不多）etc.,.反意疑问句,例如；1.ShelivesinNingbo,_?疑问句：DoessheliveinNingbo?,2.Theyarestudents,_?Aretheystudents?3.Itseldomsnowsinkunming,_?Doesitsnowinkunming?,arentthey,doesit,doesntshe,1.Igoestoschoolatsixeveryday.2.Hedontlikeplayingfootball.3.Theylikesplayinggames.4.DamingwatchsTVintheevening.5.Doesheusuallyhasaparty?6.WhatdotheyonSunday?7.Whattheyeatintheparty?8.Lilyhaveslunchatschool.,1.Igotoschoolatsixeveryday.2.Hedoesntlikeplayingfootball.3.Theylikeplayinggames.4.DamingwatchesTVintheevening.5.Doesheusuallyhaveaparty?6.WhatdotheydoonSunday?7.Whatdotheyeatintheparty?8.Lilyhaslunchatschool.,用所给动词的正确形式填空：1.Weoften_(play)intheplayground.2.Sheoften_(watch)TVwithherdog.3.Theearth_(go)aroundthesun.4.Mymother_look)aftermylittlesisterathome.5.Lucy_(have)somefriendshere.6.FangMing_(notlike)riceatall.7.We_(go)toschoolat7:30inthemorning.8.Maryseldom_(come)here.9.Heruncleoften_(drive)toBeijing.10.Tom_(want)_(work)inHainan.,play,watches,looks,doesntlike,has,go,comes,wants,drives,towork,goes,1._youhaveabook?ADoB.AreC.IsD.Have2.DoesLiLeiliketowatchTV?_.A.Yes,helike.B.No,hedoesnt.C.Yes,hedlike.D.No,helikes.3.Shedoesnt_herhomeworkintheafternoon.A.doingB.todoC.doesD.do4.How_Mr.Smith_toEngland?A.do,goB.is,goC.does,goD.does,goes,5._she_homeatsixeveryday?A.Is,leaveB.Does,leaveC.Is,leavesD.Does,left6.Iwant_homeworknow.A.doingB.todoC.todomyD.domy7.Itstime_.A.gotoschoolB.playgamesC.togohomeD.todomyhomeworks8_you_theblackboard?Yes,Ican.A.Can,cleanB.Am,cleaningC.Are,cleaningD.Do,clean9_goandhelpher.A.LetsmeB.LetsusC.LetsD.Letsto,10.Dotheyhaveanewcar?Yes,_.A.theyareB.theyhaveC.theydontD.theydo11.Heoften_supperat6:00intheevening.A.haveB.hasC.ishavingD.iseating12.Its6oclockinthemorning.Itstime_.A.getupB.getsupC.togetupD.getsup,13.ThestudentswillgototheSummerPalaceifit_tomorrow.A.dontrainB.doesntrainC.wontrainD.isntrain14.There_anEnglishfilmnextweek.A.willhaveB.isgoingtohaveC.isgoingtobeD.wasgoingtobe15.Thepicture_nice.A.looksB.islookedC.lookD.islooking,Weoften_(play)intheplaygound.2.He_(get)upatsixoclock.3._you_(brush)yourteetheverymorning.4.What(do)_heusually(do)_afterschool?5.Danny_(study)English,Chinese,Maths,ScienceandArtanschool.,plays,gets,brush,Do,