小学英语语法 一般现在时详细讲解课件.ppt
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1、可编辑ppt1The simple present tense一般现在时一般现在时可编辑ppt2我的功能我的功能1.表示经常性、习惯性的动作或状态表示经常性、习惯性的动作或状态I wash the dishes every day.You sometimes take a bus home.They usually have lunch at 11:30.He always gets up early.She is often late for school.2.表示表示表示客观事实表示客观事实You are 13.He is a student.You study at Olympic Ga
2、rden Middle School.可编辑ppt3always(总是)usually(通常)often(经常)sometimes(有时)hardly(几乎不)rarely(很少)never(从不)every day(每天)every year(每年)all the time(所有时间)on Monday(在星期一)in January(在某月)3.表示表示永恒不变的真理;永恒不变的真理;The moon goes round the earth.可编辑ppt4 一一.be.be动词的一般现在时动词的一般现在时be动词:动词:主语主语+be +其它其它如如:I am a boy.我是一个男孩。
3、He is a boy.他是一个男孩。am is(单三)单三)are可编辑ppt5肯定句:主语肯定句:主语+bebe+其它其它 如:如:He is a worker.You are thirteen.He is a worker.You are thirteen.否定句:主语否定句:主语+bebe+notnot+其它其它 如:如:He is not a worker.He is not a worker.You arent thirteen.You arent thirteen.一般疑问句:一般疑问句:BeBe+主语主语+其它其它?如:如:Is he a worker?Yes,he is./N
4、o,he isnt.Is he a worker?Yes,he is./No,he isnt.Are you thirteen?Yes,I am./No,I am not.Are you thirteen?Yes,I am./No,I am not.特殊疑问句:特殊疑问句:疑问词疑问词+bebe+主语主语+其它其它?如:如:What is he?What colour is that bird?What is he?What colour is that bird?How old are you?Where are they?How old are you?Where are they?2.b
5、e2.be 动词的一般现在时的基本句型动词的一般现在时的基本句型二二.实义动词的一般现在时实义动词的一般现在时1 1、什么叫实义动词?、什么叫实义动词?实义动词是指实义动词是指表示有具体意思的表示有具体意思的动词动词,也叫行为动词。也叫行为动词。如如:like(喜欢)喜欢),eat(吃)(吃),live(居住)(居住),have(有)(有),run(跑)(跑)等等。等等。实义动词占英语中动词的绝大多数。实义动词占英语中动词的绝大多数。我们已学过的我们已学过的be 动词可译成动词可译成“是是”,有时译成有时译成“成为成为”,有时则没有具体意,有时则没有具体意思如:思如:“She is tall.
6、”这句译成:这句译成:“她很她很高高”。故。故be 动词不属于实义动词。动词不属于实义动词。2 2、一般现在时实义动词作谓语的时侯有两种形式:、一般现在时实义动词作谓语的时侯有两种形式:动词原形;如动词原形;如:enjoy第三人称单数动词形式;如第三人称单数动词形式;如:enjoys主语主语+(+其它其它)。行为动词原形行为动词原形行为动词的单数第三人称形式行为动词的单数第三人称形式如如:We study English.我们学习英语.He studies French.可编辑ppt9一般现在时结构静态句“to be”动态句“to do”可编辑ppt10静态句静态句“to be”肯定句肯定句否
7、定句否定句一般疑问句一般疑问句主语主语+be动词动词+I am a girl.He is at home.They are happy.主语主语+be动词动词+not+He is not a farmer.We are not at school.I am not tall.Be动词动词+主语主语+?Is he a farmer?Are you students?Are the books on the table?可编辑ppt11动态句动态句“to do”肯定句肯定句否定句否定句一般疑问句一般疑问句主语主语+动原动原+三单主语三单主语+动词三单动词三单+We go to school eve
8、ryday.He goes home after school.主语主语+dont+动原动原+三单主语三单主语+doesnt+动原动原We dont go to schoolHe doesnt go home Do+主语主语+动原动原?Does+三单主语三单主语+动原动原?Do you go to school?Does he go home?可编辑ppt12 哪些主语是第三人称单数哪些主语是第三人称单数?可编辑ppt13一、人称代词一、人称代词he,she,ithe,she,it是第三人称单是第三人称单数。数。He likes watching TV.他喜欢看电视。She has lunch
9、 at twelve.她十二点吃午餐。It looks like a cat.它看起来像只猫。可编辑ppt14二、单个人名、地名或称呼作主二、单个人名、地名或称呼作主语;是第三人称单数。语;是第三人称单数。Han Mei looks like her mother.韩梅看起来像她的母亲 Beijing is in China.北京在中国。Uncle Wang often makes cakes.王叔叔经常做蛋糕。可编辑ppt15三、单数可数名词或三、单数可数名词或this/that/this/that/the+the+单数可数名词单数可数名词 作主语时,是第三作主语时,是第三人称单数。人称单数
10、。A panda is a shy animal.熊猫是害羞的动物。This book is yellow.这本书是黄色的。That car is red.那辆小汽车是红色的。The cat is black.这只猫是黑色的。可编辑ppt16 3 3、实义动词第三人称单数的动词形式变化规则、实义动词第三人称单数的动词形式变化规则一般情况下直接加一般情况下直接加-s-swalkwalkwalkwalks s以以s.x.sh.ch.os.x.sh.ch.o尾尾 加加-es-eswatchwatchwatchwatchesesgogogogoeses“辅音字母辅音字母+y”+y”结尾结尾 变变y y
11、为为i,i,再加再加-es-es,flyflflyfliesies 特殊情况特殊情况havehas havehas dodoesdodoesgogoesgogoes可编辑ppt17当主语是第三人称单数时,动词需变化当主语是第三人称单数时,动词需变化.动词单三的变化:动词单三的变化:1、一般情况下,直接一般情况下,直接加加s,如:,如:reads,plays,works,makes2、以、以s,x,ch,sh结尾,后加结尾,后加es.如:如:watches washes teaches3、以辅音字母加、以辅音字母加o结尾结尾,一般加一般加es,如:如:does,goes4、“元音字母元音字母+y
12、”结尾的单词,结尾的单词,直接在词尾加直接在词尾加-s。如:如:plays,says5、辅音字母辅音字母+y结尾的单词结尾的单词,去去y,加加ies,如:如:flies,studies6、不规则变化、不规则变化 如:如:have-has可编辑ppt18Exercise sit_ swim_ go _ _ do _ make _ run _ write_ see_ _ cry_ study _ watch_ wash_ say_ play _ have_ take_ swimsgoesdoesmakesrunswritescries_seesstudieswatcheswashessays_pl
13、ayshas_takessits1)1)肯定句肯定句:主语主语(I/We/You/TheyI/We/You/They)+实义动词原形实义动词原形+其他其他 如:如:I I staystay at home on Saturdays.at home on Saturdays.They They havehave sports every day.sports every day.主语主语(He/She/ItHe/She/It)+实义动词单三形式实义动词单三形式+其他其他 如:如:He He stays stays at home on Saturdays.at home on Saturdays
14、.Lucy Lucy has has sports every day.sports every day.4 4、实义动词的一般现在时的基本句型、实义动词的一般现在时的基本句型 2)否定句:否定句:主语主语(I/We/You/TheyI/We/You/They)+do+notdo+not+动词原形动词原形+其他其他 如:如:I dont stay at home on Saturdays.I dont stay at home on Saturdays.They dont have sports every day.They dont have sports every day.主语主语(He
15、/She/ItHe/She/It)+does+notdoes+not+动词原形动词原形+其他其他 如:如:He doesnt stay at home on Saturdays.He doesnt stay at home on Saturdays.Lucy doesnt have sports every day.Lucy doesnt have sports every day.3)3)一般疑问句及其肯、否定回答:一般疑问句及其肯、否定回答:DoDo+主语主语(I/we/you/theyI/we/you/they)+动词原形动词原形+其他?其他?如:如:Do you stay at hom
16、e on Saturdays?Do you stay at home on Saturdays?Yes,I do./No,I dont.Yes,I do./No,I dont.Do they have sports every day?Do they have sports every day?Yes,they do./No,they dont.Yes,they do./No,they dont.DoesDoes+主语主语(he/she/ithe/she/it)+动词原形动词原形+其他?其他?如:如:Does he stay at home on Saturdays?Does he stay
17、at home on Saturdays?Yes,he does./No,he doesnt.Yes,he does./No,he doesnt.Does Lucy have sports every day?Does Lucy have sports every day?Yes,he does./No,he doesnt.Yes,he does./No,he doesnt.4)特殊疑问句:特殊疑问句:疑问词疑问词+do/doesdo/does+主语主语+动词原形动词原形+其他?其他?如:如:What do you want?What does she want?What time do yo
18、u have lunch?What time does she have lunch?What do you do?What does she do?How do you spell it?How does he spell it?特殊疑问句特殊疑问句:疑问词疑问词+一般疑问句一般疑问句?直接回答,而不用直接回答,而不用yes 或或no.5.5.一般现在时的句型变换一般现在时的句型变换1)I usually play football on Friday.改为一般疑问句改为一般疑问句:Do you usually play football on Friday?对划线部分提问对划线部分提问:W
19、hat do you usually do on Friday?2)My father go to work by bike everyday.对划线部分提问对划线部分提问:How does your father go to work everyday?可编辑ppt24一般现在时一般现在时(否定句)(否定句)在一般现在时中,句在一般现在时中,句中有中有bebe动词或情态动词动词或情态动词(cancan等)时,否定句在等)时,否定句在bebe动词和情态动词后加动词和情态动词后加notnot。例如例如可编辑ppt25一般现在时一般现在时(否定句)(否定句)1、I am a teacher.否:否
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