一般现在时.PPT课件

1一般现在时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2一般现在时的构成一般现在时的构成v1、主语+be动词+其他v2、主语+V原形+其他（do)v3、主语+Vses+其他(does)3具体运用具体运用v1.表示经常的或习惯性的动作，常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。与表示频率的时间状语连用。时间状语：时间状语：always,usually,every morning/night/evening /day/week/year,often,sometimes twice a week seldom once a month on Sundays4v2.表示客观事实和普遍真理。表示客观事实和普遍真理。(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，即使主中，即使主句是过去时，从句句是过去时，从句谓语谓语也要用一般现在也要用一般现在时。时。)e.g The teacher said the earth moves around the sun.Shanghai lies in the east of China.具体运用具体运用5具体运用具体运用v3表示格言或警句中。表示格言或警句中。ve.g Pride goes before a fall.骄者必败。骄者必败。例：例：Columbus proved that the earth is round.6具体运用具体运用v4 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。vE.g:Ill help you as soon as you have problem.vWe wont go if it rains 71.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，即仍然用动词原语动词不用做任何变化，即仍然用动词原形表示：形表示：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)We usually go to school at 7:30.2)My parents give ten yuan to my sister every week.8v2.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+其其他他 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 91、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o,s,x,ch,sh结尾的动词词尾加结尾的动词词尾加-es teach-teaches,wash-washes.go-goes pass-passes fix-fixes eg:My mother washes the coat.我母亲洗了大衣。我母亲洗了大衣。动词变化规律动词变化规律103.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，Study flystudiesflies 4.特殊情况：特殊情况：have has 111._ you have a book?A Do B.Are C.Is D.Have2.Does Li Lei like to watch TV?_.A.Yes,he like.B.No,he doesnt .C.Yes,hed like.D.No,he likes.3.She doesnt _ her homework in the afternoon.A.doing B.to do C.does D.do4.How _ Mr.Smith _ to England?A.do,go B.is,go C.does,go D.does,goes 125._ she _ home at six every day?A.Is,leave B.Does,leave C.Is,leaves D.Does,left6.I want_homework now.A.doing B.to do C.to do my D.do my7.Its time_.A.go to school B.play games C.to go home D.to do my homeworks8_you _the blackboard?Yes,I can.A.Can,clean B.Am,cleaning C.Are,cleaning D.Do,clean9_go and help her.A.Lets me B.Lets us C.Lets D.Lets to1310.Do they have a new car?Yes,_.A.they are B.they have C.they dont D.they do11.He often _ supper at 6:00 in the evening.A.have B.has C.is having D.is eating12.Its 6 oclock in the morning.Its time _.A.get up B.gets up C.to get up D.gets up 1413.The students will go to the Summer Palace if it _ tomorrow.A.dont rain B.doesnt rain C.wont rain D.isnt rain14.The picture _ nice.A.looks B.is looked C.look D.is looking 15 Hell stay in Beijing till his aunt_well.A will getB will be C getsD remains15v16 sound travels in the same way as light _.v A doesB do C travel D traveled v17 The train he was looking forward to_ only a minute ago.A arriveB arrivingC arrivedD had arrived