小学英语一般现在时课件.ppt
The simple present tense一般现在时(专项复习一）,1,一般现在时表示经常发生的、习惯性的动作或存在的状态。,定义,与频率副词usually,often,sometimes,always和时间短语in the morning/afternoon/evening,on Sundays,every day/week/year连用,用法,2,我的功能,1.表示经常性、习惯性的动作或状态,I wash the dishes every day.You go to school by bus sometimes.They usually have lunch at 11:30.He always gets up early.,2.表示表示客观事实,You are 13.He is a student.,3.表示永恒不变的真理；,The moon goes round the earth.,3,关键词,always(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）,4,一.be动词的一般现在时,be动词：主语+be+其它,如：I am a boy.我是一个男孩。He is a boy.他是一个男孩。,am,is(单三）,are,构成,5,构成,1）当谓语是be动词时，一般现在时的构成：主语be动词其他如：I am a student.He is Jims father.,6,I am a student.You are a nurse.,7,He is a policeman.He is a postman.,8,It is a snake.It is a lion.They are animals.,9,I am Chen Jie.He is a policeman.She is a nurse.It is a snake.We are girls.You are a student.You are students.They are beautiful girls.,10,一般现在时（否定句）,在一般现在时中，句中有be动词或情态动词（can等）时，否定句在be动词和情态动词后加not。,例如,11,一般现在时（否定句）,1、I am a teacher.否：I am not a teacher.2、He is a student.否：He is not a student.3、You are a boy.否：You are not a boy.4、I can swim.否：I can not（cant)swim.,12,变否定句,I am a good boy.,I am not a good boy.,13,变否定句,He is a student.,He is not a students.,(isnt),14,变否定句,They are students.,They are not students.,(arent),15,变否定句,She can speak English.,She can not speak English.,(cant),16,I am Jack.We are boys.You are a teacher.He is Jerry.She is Lisa.It is Tom.They are beautiful girls.,not,not,not,not,not,not,not,Exercise,17,一般现在时（疑问句）,句中有be动词或情态动词时，be动词或情态动词can提前，首字母变为大写；some 变any;第一人称变成第二人称。,例如,18,一般现在时（一般疑问句）,He is a student.You are a boy.Is he a student？Are you a boy？I can swim.They are teachers.Can you swim？Are they teachers？,19,I am a student.,Are you a student？,变一般疑问句,Yes,I am.No,I am not.,20,John is my friend.,Is John your friend？,变一般疑问句,Yes,he is.No,he isnt.,21,They are students.,Are they students？,变一般疑问句,Yes,they are.No,they arent.,22,He is Cheng Long.I am Chen Jie.We are Chinese.You are a student.She is lucy.It is Zoom.They are beautiful girls.,Is he,?,Exercise,Are you,?,Are you,?,Are you,?,?,Is it,?,Are they,?,Is she,23,二.实义动词的一般现在时,1、什么叫实义动词？实义动词是指表示有具体意思的动词,也叫行为动词。如:like(喜欢）,eat（吃）,live（居住）,have（有）,run（跑）等等。实义动词占英语中动词的绝大多数。,24,1）当谓语是实意动词时，一般现在时的构成：主语（非第三人称单数）动词原形其他如：I often watch TV in the evening.Amy and Sarah like playing football.主语（第三人称单数）动词的第三人称单数形式其他如：John usually goes shopping on Sundays.Mike studies English every day.,构成,25,主语（非第三人称单数）如I often go to school on foot.You usually go home by bus.We take a shower everyday.They often play basketball on Sunday.Mike and John play football everyday.The students do homework everyday.,26,哪些主语是第三人称单数?,27,一、人称代词he,she,it是第三人称单数。,He likes watching TV.他喜欢看电视。She has lunch at twelve.她十二点吃午餐。It looks like a cat.它看起来像只猫。,28,二、单个人名、地名或称呼作主语；是第三人称单数。,Chen Jie looks like her mother.陈洁看起来像她的母亲Beijing is in China.北京在中国。My mother often makes cakes.王叔叔经常做蛋糕。,29,实义动词第三人称单数的动词形式变化规则：1、一般情况下，直接加s，如：reads,plays,works,makes2、以s,x,ch,sh,o结尾的单词，后加es.如：watches washes teaches does goes3、以辅音字母+y结尾的单词,变y为i,再加es,如：flies,studies4、不规则变化 如：have-has,30,Exercise,sit_ swim_ go do _ make _ run _ write_ see_ _ cry_ study _ watch_ wash_ say_ play _ have_ take_,sits,swims,goes,does,makes,runs,writes,cries,sees,studies,watches,washes,says,plays,has,takes,sits,31,一般现在时（否定句）,句中没有be动词或情态动词时，主语为第三人称单数的变否定句在动词前加does not(doesnt),非单三时，变否定句在动词前加do not（dont),例如,32,一般现在时（否定句）,1、I to school by bus.否：I to school by bus.2、He to school by bus.否：He to school by bus.,go,dont go,goes,doesnt go,33,变否定句,I study English every day.,I study English every day.,dont,34,变否定句,She speaks Chinese well.,She Chinese well.,doesnt speak,s,35,es,s,He often go to school on foot.You usually go home by bus.We take a shower every day.They often play basketball on Sunday.Mike play football every day.The students do homework every day.,They take a shower everyday.,dont,Exercise,doesnt,dont,dont,dont,doesnt,dont,36,一般现在时（一般疑问句）,句中没有be动词或情态动词时，主语为非第三人称单数，变一般疑问句在句首加Do，句子中动词用原形。主语为第三人称单数，一般疑问句在句首加Does，句子中原有动词用原形；Some变any.,例如,37,一般现在时（一般疑问句）,1、I to school by bus.疑问句：you to school by bus.2、He to school by bus.疑问句：he to school by bus.,Does,go,goes,go,go,Do,38,We go to school every day.,Do you go to school every day?,变一般疑问句,39,Mike likes playing computer games.,Does Nancy like playing computer games?,变一般疑问句,s,40,John wants some bread.,Does John want any bread？,变一般疑问句,41,es,Exercise,They take a shower every day.,Do,they,?,I often go to school on foot.,Yes,they do.No,they dont.,Do you,?,Yes,I do.No,I dont.,He usually go home by bus.,Does he,?,Yes,he does.No,he doesnt.,42,es,Amy often play basketball on Sunday.,Exercise,Does,Yes,she does.No,she doesnt.,?,43,Good by!,44,
