一般现在时..ppt

一般现在时v定义定义:一般现在时。表示通常性、规律性、习一般现在时。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）的一种时间状态的事件）的一种时间状态.具体运用具体运用v1.表示经常的或习惯性的动作，常与表示频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。率的时间状语连用。时间状语：时间状语：always,usually,everymorning/night/evening/day/week/year,often,sometimes,twiceaweek,seldom,onceamonth,onSundayse.g.Ileavehomeforschoolat7:00everymorning.Igetupatsixin the morning.v2.表示客观事实和普遍真理。表示客观事实和普遍真理。e.gTheearthmovesaroundthesun.ShanghailiesintheeastofChina.v3表示格言或警句中。表示格言或警句中。ve.gPridegoesbeforeafall.骄者必败。骄者必败。注意注意：此用法如果出现在：此用法如果出现在宾语从句宾语从句中，即使主句是过去时，从句中，即使主句是过去时，从句谓语谓语也要用也要用一般现在时。一般现在时。v例：例：Columbusprovedthattheearthisround.表达方法表达方法v主要通过主要通过谓语动词谓语动词的变化和用时间词语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：化。一般现在时动词变化的规则是：.1.如果主语是如果主语是名词复数名词复数和和第一人称第一人称I、we，谓，谓语动词不用做任何变化，即仍然用动词原形语动词不用做任何变化，即仍然用动词原形表示：表示：肯定句肯定句主语主语+动词原形动词原形+其他其他否定句否定句主语主语+dont+动词原形动词原形+其他其他一般疑问句一般疑问句Do+主语主语+动词原形动词原形+其他其他例例1)Weusuallygotoschoolat7:30.我们通常我们通常7:30上学去。上学去。go2)Myparentsgivetenyuantomysistereveryweek.我父母每星期给我妹妹十元钱。我父母每星期给我妹妹十元钱。.v2.主语是任何一个单数名词或者是第三人称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。特别单数，谓语动词要进行必要的变化。特别提一点：提一点：不可数名词也算作单数处理不可数名词也算作单数处理。肯定句肯定句:主语主语+动词的第三人称单数动词的第三人称单数+其他其他否定句否定句:主语主语+doesnt+动词原形动词原形+其他其他一般疑问句一般疑问句:Does+主语主语+动词原形动词原形+其他其他肯定回答肯定回答:Yes，主语，主语+does否定回答否定回答:No，主语，主语+doesnt特殊疑问句特殊疑问句:特殊疑问词特殊疑问词+一般疑问句一般疑问句.1、一般动词，在词尾加、一般动词，在词尾加 s;如：如：work-works,live-lives,play-plays,sing-sings.eg:She lives in Ningbo.她住在宁波。她住在宁波。2、以、以/s/z/等音素结尾的动词，词尾加等音素结尾的动词，词尾加-es，如词尾为，如词尾为e，只加只加-s.读作读作/iz/如：如：teach-teaches,wash-washes.eg:My mother washes the coat.我母亲洗了大衣。我母亲洗了大衣。行为动词行为动词do一般现在时一般现在时第三人称单第三人称单（he,she,it)的构成规则：的构成规则：动词变化规律动词变化规律.3.以辅音字母加以辅音字母加Y 结尾的词，把结尾的词，把y变变i 在加在加es，读作读作ZStudy flystudiesflies4.以辅音字母以辅音字母+O结尾的词，一般情况是在词尾加结尾的词，一般情况是在词尾加es 读作读作Zgo do goesdoes5.特殊情况：特殊情况：have has .EX2EX2 1.Tom often_(get)up at six in the morning 1.Tom often_(get)up at six in the morning 2.The earth _(go)around the sun.2.The earth _(go)around the sun.3.Marys parent _(live)in Beijing.3.Marys parent _(live)in Beijing.4.She _(draw)very well.4.She _(draw)very well.Ex1.Ex1.写出下列词的单三形式：写出下列词的单三形式：写出下列词的单三形式：写出下列词的单三形式：look;go;give;fly;have wa look;go;give;fly;have wa looks;golooks;goeses;give;gives s;flies;has ;flies;has getsgoeslivesdraws.II 一般现在时的一般现在时的否定式1.Be动词的否定式动词的否定式:be+notI am a teacher.You are a workerShe is a doctorWe are friends.Im not a teacherYou arent a workerShe isnt a doctor.We arent friends.is not=isntare not=arent 否定句否定句.否定句型否定句型v1.谓语动词或助动词是谓语动词或助动词是be、have或者情态动或者情态动词词can/may/must等，在将助动词后加等，在将助动词后加not.Iamnotatcollege.Mr.Wangisnt50yearsold.TheJacksonsdoesnthavetwosons.Youmaynotgonow.v2.谓语动词是谓语动词是实义动词实义动词，是在谓语动词前加，是在谓语动词前加donot或或doesnot，谓语动词改用动词原，谓语动词改用动词原型。型。Idonthavelunchathome.Theydontplaybasketballonthesportsground.Mr.JimmydoesntknowFrench.Ex1.将下列各句从肯定式改为否定式将下列各句从肯定式改为否定式1.I talk to Peter because I like him.2.Kate comes from America.Kate works with Peter1.I am Chinese,and I am a student.2.They know each other.I donttalk to Peter because I dont like him.Kate doesnt come from America.Kate doesnt work with Peter.I am not Chinese,and I am not a studentThey dont know each other.疑问句型问句型v1.对于谓语动词或助动词是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。等，将这些词移到主语前面。vAreyoustudents？vYes,weare./No,wearent.vIsJaneintheclassroom?vYes,heis./No,heisnt.vDoesthehousehavetworooms?vYes,itdoes/No,itdoesnt.vIsthereanywaterintheglass?vYes,thereis./No,thereisnt.vCanyouswim?vYes,Ican./No,Icant.v2.谓语动词是实义动词，方法是在主语前加助谓语动词是实义动词，方法是在主语前加助动词动词do或或does构成，句中动词要改用原型动词。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，用于第一人称和名词复数，does用于第三人用于第三人称单数和名词单数或不可数名词。称单数和名词单数或不可数名词。vDoyouknowit？vYes,Ido./No,Idont.vDoesshehaveapen？vYes,shedoes./No,shehasnt.have这里这里是实义动词是实义动词vDotheyplaybasketballafterschool?vYes,theydo./No,theydont.概念：用概念：用 yes 或或 no 来回答的疑问句叫做一般疑问来回答的疑问句叫做一般疑问句。句。III一般疑问句一般疑问句I ama teacher.You are a worker.Heis a student.We are friends.1.对于对于BE 动词，疑问句要求把动词，疑问句要求把BE 提前，第一人称的单数和复数提前，第一人称的单数和复数（I/WE），第一变成第二人称。），第一变成第二人称。疑疑问问句句Are you a teacher?Are you a worker?Is he a student?Are you friends?.2.对于实意动词，疑问句要求是：当主对于实意动词，疑问句要求是：当主语是他语是他(he)，她，她(she)，它，它(it)时，句子前时，句子前面加面加DOES，并把动词恢复原形；当主，并把动词恢复原形；当主语是其他人称时，句前加语是其他人称时，句前加DO，第一人，第一人(I/we)称换第二人称称换第二人称(you)。I often go there.You like the music.He goes to work by bus.We/You/They like it.Do you often go there?Do you like the music.?Does he go to work by bus?Do you/they like it?.Ex1.请做练习1.Her parents live in Shanghai.否否:Her parents_ in Shanghai.疑：疑：_ her parents_ in Shanghai?.2.You study English.否：否：You study English.疑：疑：you study English?3.How often Tom football?A.is,play B.do,play C.does,play D.does,plays dont liveDo liveDontDo C.请把下列句子变成否定句和疑问句。请把下列句子变成否定句和疑问句。1.The sun rises in the east.2.Tom gets up at six in the morning.The sun doesnt rise in the east.Does the sun rise in the east?Tom doesnt get up at six in the morning.Does Tom get up at six in the morning?.3.TheyliveinShanhai.4.Iamastudent.They dont live in Shanhai.Do they live in Shanhai?I am not a student.Are you a student?.特殊疑问句特殊疑问句特特殊殊疑疑问问句句在在考考试试中中涉涉及及的的比比较较多多，主主要要以以选选择择和和转转换换句句型型为为主主，首首先先要要掌掌握握一一些些常常用用疑疑问问词词的的意意思思如如：what（什什么么）,when,what time（什什么么时时间间）,who（谁谁）,where（在在哪哪里里）,why（为为什什么么）,how（怎怎样样）,how many+可可数数名名词词的的复复数数（多多少少），how long（多多长长时时间间）,how often（多多久久一一次次）等等，其其次次掌掌握握它它的的语语序序，即即就就是是特特殊殊疑疑问问词词+一一般般疑疑问问句句语语序序（Who）除外）除外.一、疑问词一、疑问词+一般疑问句句序：一般疑问句句序：Where are you from?Im from thenorth.What do you want?I wantthebookson your desk.特殊疑问句的语序特殊疑问句的语序 .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?.Tom goes to school every day by bike.1.就就Tom 提问提问 2.就就goes to school提问提问 3.就就by bike提问提问 Ex.请做练习。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。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选选择择疑疑问问句句:(直直接接回回答答，与与YES 和和NO 无关）无关）1Does she work in a factory or in an office?2Which do you like best,football,basketball or volleyball?Eg:Does she play football or basketball?A.Yes,she does B.she plays football.C.No,she doesnt.反反意意疑疑问问句句，遵遵循循的的原原则则是是：前前肯肯，后后否否；前前否否，后后肯肯。其其中中，前前否否包包括括是是带带有有not的的否否定定，还还包包括括前前面面句句中中含含有有否否定定意意义义的的词词，如如seldom（很很少少）,hardly（几几乎乎不不）,never（从从来来也也不不）,little,few（很少，不多）（很少，不多）etc.反意疑问句反意疑问句.例如；例如；1.She lives in Ningbo,_?疑问句：疑问句：Does she live in Ningbo?2.They are students,_?Are they students?3.It seldom snows in kunming,_?Does it snow in kunming?arenttheydoesitdoesntshe.v1.Igoestoschoolatsixeveryday.v2.Hedontlikeplayingfootball.v3.Theylikesplayinggames.v4.DamingwatchsTVintheevening.v5.Doesheusuallyhasaparty?v6.WhatdotheyonSunday?7.Whattheyeatintheparty?v8.Lilyhaveslunchatschool.改错题改错题.v1.Igotoschoolatsixeveryday.v2.Hedoesntlikeplayingfootball.v3.Theylikeplayinggames.v4.DamingwatchesTVintheevening.v5.Doesheusuallyhaveaparty?v6.WhatdotheydoonSunday?7.Whatdotheyeatintheparty?v8.Lilyhaslunchatschool.用所给动词的正确形式填空：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.playwatcheslooksdoesntlikehasgocomeswantsdrivestoworkgoes.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.1.Weoften_(play)intheplaygound.2.He_(get)upatsixoclock.3._you_(brush)yourteetheverymorning.4.What(do)_heusually(do)_afterschool?5.Danny_(study)English,Chinese,Maths,ScienceandArtanschool.playgetsbrushDododoesstudies.6.Mikesometimes_(go)totheparkwithhissister.7.Ateightatnight,she_(watch)TVwithhisparents.8._Mike_(read)Englisheveryday?9.Howmanylessons_yourclassmate_(have)onMonday?10.Whattime_hismother_(do)thehousework?goeswatchesreadDoesdoeshavedodoes.改句子改句子1.Doyouoftenplayfootballafterschool?(肯定回答肯定回答)Yes,Ido2.Ihavemanybooks.（改为否定句）（改为否定句）Idonthavemanybooks.3.GaoShanssisterlikesplayingtabletennis（改为否定句）（改为否定句）Gaoshanssistersdoesntlikeplaytabletennis.4.ShelivesinasmalltownnearNewYork.（改为否定句）（改为否定句）ShedoesntliveinasmallvillageNearNewyork.5.IwatchTVeveryday.（改为一般疑问句）（改为一般疑问句）DoyouwatchTVeveryday?6.Davidhasgotagoal.（改为一般疑问句）（改为一般疑问句）HasDavidgotaboat?7.Wehavefourlessons.（否定句）（否定句）Wedonthavefourlesons.8.Nancydoesntrunfast（肯定句）（肯定句）Nanryrunsfast.9.Mydogrunsfast.（否定句）（否定句）Mydogdoesntrunfast.