初中一般现在时完整课件

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,1.,一般现在时的基本用法,：,1),经常性或习惯性的动作，常与表示频率副词的时间状语连用。,时间状语：,every morning(afternoon,Sunday),sometimes,at,on Sunday,often.usually,例如：,I wake up at six O,clock every morning.,My friends often go to the park on Sundays.,第1页/共49页,1.一般现在时的基本用法：1)经常性或习惯性的动,1,2),用于表示客观真理，客观存在，科学事实。,例如：,The earth moves around the sun.,地球绕着太阳转。,Tomorrow is Tuesday.,明天是星期二,第2页/共49页,2)用于表示客观真理，客观存在，科学事实。第2页/共49页,2,3),用于格言或警句中。,例如,：,Where there is a will,there is a way.,有志者事竟成。,4),用于表示现在时刻的状态、能力、性格、个性。,例如,：,She is a good girl and always help others.,她是一个好女孩，经常帮助别人。,My watch is very new,。我的手表很新。,第3页/共49页,3)用于格言或警句中。第3页/共49页,3,2,常与一般现在时连用的词：,第4页/共49页,2 常与一般现在时连用的词：第4页/共49页,4,1,、,every,系列,every,day,year,month,week,morning,afternoon,evening,第5页/共49页,1、every系列every day第5页/共49页,5,、频率副词,never,seldom,rarely,sometimes,often,usually,always,第6页/共49页,、频率副词 neverseldomrarelys,6,1,、,一般动词，在词尾加,s;,如：,work-works,live-lives,play-plays,sing-sings.,eg:She,lives,in Ningbo.,她住在宁波。,2,、以,/s/z/,等音素结尾的动词，词尾加,-es,，如词尾为,e,，只加,-s.,读作,/iz/,如：,teach-teaches,wash-washes.,eg:My mother,washes,the coat.,我母亲洗了大衣。,3 一般现在时第三人称单he,she,it,的构成规则,第7页/共49页,1、一般动词，在词尾加 s;如：3 一般现在时第三人,7,3.,以辅音字母加,Y,结尾的词，把,Y,变,I,在加,ES,，读作,Z,Study fly,studies,flied,4.,以辅音字母,+O,结尾的词，一般情况是在词尾加,ES,读作,Z,go do,goes,does,5.,特殊情况：,have has,第8页/共49页,3.以辅音字母加Y 结尾的词，把Y变I 在加ES，读作Z,8,EX2,1.Tom often_(get)up at six in the morning,2.The earth _(go)around the sun.,3.Marys parent _(live)in Beijing.,4.She _(draw)very well.,Ex1.,写出下列词的单三形式：,look;go;give;fly;have,looks;go,es,;give,s,;flies;has,gets,goes,lives,draws,第9页/共49页,EX2 1.Tom often_(get)up,9,4 一般现在时的构成,一、系动词,be,的一般现在时,二、情态动词的一般现在时,三、实义（行为）动词的一,般现在时,第10页/共49页,4 一般现在时的构成一、系动词be的一般现在时第10页/共4,10,一、系动词,be,的一般现在时,1,、构成,：,主语,+be+,其他,2,、,be,包 括 哪 些？,is am are,3,、什么时候用,is,？,什么时候用,am,？,什么时候用,are,？,取决于主语是单数,还是复数,The girl is my friend,.,第11页/共49页,一、系动词be的一般现在时1、构成：主语+be+其他,11,主语为单数时,主语为复数时,主语为,“,I,”,时,is,are,am,第12页/共49页,主语为单数时isaream第12页/共49页,12,Exercise,1,、,Kitty,an English girl.,2,、,We,students.,3,、,I,from Taizhou.,4,、,She,tall.,5,、,Lucy and Lily,good friends.,6,、,Those chairs,broken.,7,、,The bag,mine.,is,are,am,is,are,are,is,第13页/共49页,Exercise1、Kitty an E,13,1.Be,动词的否定式,:be+not,I am a teacher.,You are a worker,She is a doctor,We are friends.,I,m not,a teacher,You,arent,a worker,She,isnt,a doctor.,We,arent,friends.,is not=isnt,are not=arent,否定句,第14页/共49页,1.Be 动词的否定式:be+notI am a te,14,2.(do),当主语是单数第三人称时，它与助动词,DOES,有关，但是动词谓语一定要恢复为原形,。当主语是其他人称时，它与助动词,DO,有关。,I like English.,She likes it very much.,We go to work by bike.,I,dont like,English.,She,doesnt like,it very much.,We,dont go,to work by bike.,否定句,第15页/共49页,2.(do)当主语是单数第三人称时，它与助动词DOES有关，,15,Ex1.,将下列各句从肯定式改为否定式,I,talk,to Peter because I,like,him.,Kate,comes,from America.Kate,works,with Peter,I,am,Chinese,and I,am,a student.,They,know,each other.,I,dont talk,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 student,They,dont,know,each other.,第16页/共49页,Ex1.将下列各句从肯定式改为否定式I talk to P,16,1,、,Kitty,(not)an English girl.,2,、,We,(not)students.,3,、,I,(not)from Taizhou.,4,、,She,(not)tall.,5,、,Lucy and Lily,（,not,）,good friends.,6,、,Those chairs,(not)broken.,7,、,The bag,(not)mine.,isnt,arent,am not,isnt,arent,arent,isnt,第17页/共49页,1、Kitty (not)an Eng,17,二 情态动词的一般现在时,构成,主语,+,情态动词,+,动词原形,+,其他,She can speak English.,注意,：,情态动词后的动词一定要用,原形,Eg:They should(,应该,)be right.,试比较：,They,are,right.,She speak,s,English.,第18页/共49页,二 情态动词的一般现在时构成主语+情态动词+动词原形,18,其否定句的构成,主语,+,情态动词,+not+,动词原形,+,其他,can not =,could not =,must not =,would not =,will not =,should not =,may not =,cant,couldnt,mustnt,wouldnt,wont,shouldnt,may not,第19页/共49页,其否定句的构成主语+情态动词+not+动词原形,19,She,(can not)speak English.,You,(must not)open the door.,They,(should not)be right.,I,(will not)go to Japan.,第20页/共49页,She (can not)speak E,20,三 行为动词的一般现在时,构成,主语,+,行为动词,+,其他,These boys like playing football.,The girl read,s,English every morning.,注意：当主语为第三人称单数时，,行为动词要加,s,或者,es,第21页/共49页,三 行为动词的一般现在时构成主语+行为动词+其他Th,21,否定句的构成,主语,+,助动词（,do/does,）,+not+,行为动词,原形,+,其他,These boys dont,（,do not,）,like,playing football.,The girl doesnt,（,does not,）,read,English every morning.,什么时候用助动词,do,，什么时候用助动词,does,呢？,取决于主语,The girl reads English every morning.,These boys like playing football.,第22页/共49页,否定句的构成主语+助动词（do/does）+not+行,22,当主语为复数时，用助动词,do,构成否定,当主语为单数时，用助动词,does,构成否定,注意,：,dont,和,doesnt,之后动词一定要用原形,第23页/共49页,注意：dont 和 doesnt 之后动词一定要用原形,23,Change the following sentences after the models.,I like red.(green),They like apples.(oranges),We take a bus to school every day.(walk to school),Model 1:I like fish.(meat),I,dont like,meat.,Model 2.He likes reading.(writing),He,doesnt like,writing.,I dont like green.,They dont like orange.,We dont walk to school every day.,10,第24页/共49页,Change the following sentences,24,4.His brother plays football after school.(play,basketball),5.It looks like a cat.(hat),6.She has a dog at home.(a cat),Model 1:I like fish.(meat),I,dont lik