一般现在时完整.108939ppt课件

.,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,.,一般现在时的构成,1、主语+be动词+其他2、主语+V原形+其他（do)3、主语+Vses+其他(does),.,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,sometimestwiceaweekseldomonceamonthonSundays,.,2.表示客观事实和普遍真理。(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。)e.gTheteachersaidtheearthmovesaroundthesun.ShanghailiesintheeastofChina.,具体运用,.,具体运用,3表示格言或警句中。e.gPridegoesbeforeafall.骄者必败。例：Columbusprovedthattheearthisround.,.,具体运用,4在时间、条件状语从句中，主句用一般将来时，从句要用一般现在时。E.g:Illhelpyouassoonasyouhaveproblem.Wewontgoifitrains,.,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)Weusuallygotoschoolat7:30.2)Myparentsgivetenyuantomysistereveryweek.,.,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o,s,x,ch,sh结尾的动词词尾加-esteach-teaches,wash-washes.go-goespass-passesfix-fixeseg:Mymotherwashesthecoat.我母亲洗了大衣。,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，,Studyfly,studies,flies,4.特殊情况：,havehas,.,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.Thepicture_nice.A.looksB.islookedC.lookD.islooking15HellstayinBeijingtillhisaunt_well.AwillgetBwillbeCgetsDremains,.,16soundtravelsinthesamewayasl