一般现在时现在进行时及一般过去时讲解ppt课件

时态大比拼He works.He is working.He worked.在英语中，在英语中，不同时间不同时间发发生的动作或存在的状态要生的动作或存在的状态要用用不同的动词形式不同的动词形式来表现。来表现。何为时态？在英语中，不同时间发生的动作或存在一般现在时的使用条件四大1）经常性、习惯性的动作或存在的状态2）表示主语的特征、性格、能力、爱好等3）表示客观真理4）在时间状语从句与条件状语从句中一般现在时的使用条件四大1）经常性、习惯性的动作或存在的状态Tom always gets presents on his birthday.They usually go to school at seven oclcok.My mother often watches TV on the computer.We sometimes play basketball after school.总 是是通通 常常经 常常有有 时Hestwelve.Iamastudent.一般现在时：一般现在时：表示现在的状态或经常、表示现在的状态或经常、习惯性的动作习惯性的动作：总 是通 常经 常有 时Hes twelve.I大多数单词大多数单词+stalk-talkslook-looks以辅音以辅音y结结尾的单词尾的单词变变y为为i加加esflyflies（元音（元音+y直接加直接加s）以以s,ch,sh 或者或者 x结尾结尾的单词的单词+es miss-misses watch-watches wash-washes fix-fixes大多数单词+stalk-talks以辅音y结尾的单词变v一、写出下列动词第三人称单数形式v1.workworksreadreadsv2.cleancleanswritewritesv3.teachteacheswashwashesv4.guessguesseswatchwatchesv5.gogoesdodoesv6.studystudiesflyfliesv7.crycriesplayplaysv8.havehas一、写出下列动词第三人称单数形式时态时态现在进行时：现在进行时：一般现在时：一般现在时：一般过去时：一般过去时：现在正在现在正在进行进行的动作的动作经常经常或或习惯性习惯性的动作。的动作。过去过去某个时间或时间段结束某个时间或时间段结束的动作。的动作。时态现在进行时：一般现在时：一般过去时：现在正在进行的动作 一般现在时一般现在时 every,sometimes,at times always,usually,often,seldom,never,every,threetimesaday现在进行时现在进行时一般过去时一般过去时yesterday,last week,-ago,the other day,in+年年,just now,When nowthese days,rightnow，Look,Listen.atPresent，at the moment312一般现在时 every,sometimes,at timLily Lucy Look!Lily Lucy 现在进行时现在进行时表示现在说话瞬间正在进行的动作。表示现在说话瞬间正在进行的动作。Sheisreadinginthereadingroomnow.Weareworkingonafarmthesedays.现在进行时 表示现在说话瞬间正在进行的动作。1、Lucydidherhomeworkathome.（改否（改否定句）定句）Lucy_herhomeworkathome.2、Hefoundsomemeatinthefridge.（变一（变一般疑问句般疑问句)_he_meatinthefridge?3、Therewassomeorangeinthecup.（变一（变一般疑问句般疑问句)_there_orangeinthecup?didntdoanyfindDidWasany1、Lucy did her homework at hom1 1 一般过去时表示过去某个时间一般过去时表示过去某个时间结束的动作或存在的状态。结束的动作或存在的状态。Ididmyhomeworkyesterday.IplayedsoccerlastSunday.Icleanedmyroomlastweek.Iwenttothebeachthreeyearsago.Iplayedtenniswithmyfriendslastweekend.Iwenttothemoviesthreedaysago.1 一般过去时表示过去某个时间结束的动作或存在的状态。I d1.Heisateacher.2.KangkangcomesfromChina.3.Iusuallytakethebustowork.先（一般疑问句）先（一般疑问句）再（否定句）再（否定句）Isheateacher?Heisntateacher.DoesKangkangcomefromChina?KangkangdoesntcomefromChina.Doyouusuallytakethebustowork?Idontusuallytakethebustowork.句型变化操练句型变化操练He is a teacher.2.Kangkang co4.Theyarehavingclasses.5.Janeplayedtheguitarlastnight.Aretheyhavingclasses?Theyarenthavingclasses.DidJaneplaytheguitarlastnight?Janedidntplaytheguitarlastnight.句型变化操练句型变化操练你会了吗？4.They are having classes改一般疑问句的方法：改一般疑问句的方法：首先看有无首先看有无be动词，如果有，将动词，如果有，将be提到句提到句首并大写，句末打问号首并大写，句末打问号.如果没有如果没有be动词，看原句的动词形式来决动词，看原句的动词形式来决定借用助动词定借用助动词do/does/did,并且并且行为动词要还行为动词要还原原。V-原形原形V-s/esV-ed(过去式过去式)+动词原形动词原形?DoDoesDid改一般疑问句的方法：首先看有无be动词，如果有，将be提到改否定句的方法：改否定句的方法：以此类推以此类推首先看有无首先看有无be动词，如果有，在动词，如果有，在be动动词后面加词后面加not.如果没有如果没有be动词，看原句的动词形式动词，看原句的动词形式来决定借用助动词来决定借用助动词do/does/did,并在后面并在后面加加not,并且并且行为动词要还原行为动词要还原。主语主语+dont/doesnt/didnt+动词原形动词原形改否定句的方法：以此类推首先看有无be动词，如果有，在be 对比对比时态时态动词形式动词形式否定句否定句一般问句一般问句现在进现在进行时行时 一般现一般现在时在时一般过一般过去时去时表格对比学习表格对比学习be+v-ing(现在分词）现在分词）在在be后后加上加上notBe提到句提到句首首V-原形原形V-三人单三人单在实义在实义v.前借前借do,does后加后加not，动词还原，动词还原Do,Does提提句首，句首，+动动原原V-ed(过去式）过去式）在实义在实义v.前借用前借用did后加后加not，+动原动原Did提到句提到句首，实义首，实义动词还原动词还原 对比动词形式否定句一般问句现在进行时 一般现在时一般Complete the sentences.王先生是我们的英语老师。王先生是我们的英语老师。1.Mr Wang _(be)our English teacher.2.Mr Wang _(not be)our English teacher.3._(be)Mr Wang our English teacher?4.Yes,_ _.No,_ _.is is is not/isntis not/isntIs Is he is he ishe isnthe isnt一般一般现在在时Complete the sentences.is is nv一、写出下列动词的第三人称单数形式v1.work_read_v2.clean_write_v3.teach_wash_v4.guess_watch_v5.go_do_v6.study_fly_v7.cry_play_v8.have_一、写出下列动词的第三人称单数形式一般在动词原形后一般在动词原形后+ing以不发音的以不发音的e结尾结尾的，去的，去e，+ing以辅音以辅音+元音元音+辅音辅音字母结尾的，双写字母结尾的，双写这一字母这一字母+ing动词动词-ing形式的构成：形式的构成：writingtakinggettingrunningswimminggoinggoaskwritetakegetrunswimasking一般在动词原形后+ing以不发音的e结尾的，去e，+ing以动词过去式转换练习动词过去式转换练习将下列动词变为过去式将下列动词变为过去式返回上页订正答案e16.say17.see18.put19.eat20.take21.read动词过去式转换练习返回上页订正答案1.look2.l返回上页返回首页返回练习动词过去式转换练习动词过去式转换练习答答 案案1.looklooked2.livelived3.stopstopped4.carrycarried5.hopehoped6.thinkthought7.Callcalled8.finishfinished9.wantwanted10.Arewere11.go went12.havehad13.dodid ecame16.saysaid 17.seesaw18.putput19.eatate20.taketook21.readread返回上页返回首页返回练习动词过去式转换练习1.look 动词过去式动词过去式的构成的构成规则动词规则动词不规则动词不规则动词动词过去式规则动词不规则动词规则动词过去式的构规则动词过去式的构成成构成规则构成规则例词例词一般在动词末尾加一般在动词末尾加edlooklookedplayplayed结尾是结尾是e的动词加的动词加-dlivelivedhopehoped辅音字母辅音字母+元音元音+辅辅音音，双写，双写最后的最后的辅音，再加辅音，再加edstopstoppedplanplanned结尾是结尾是“辅音辅音+y”的动的动词，变词，变“y”为为“i”再加再加ed studystudiedcarrycarried规则动词过去式的构成构成规则例词一般在动词末尾加 ed 不规则动词表不规则动词表原形原形过去式过去式amiswasarewerebeginbeganbreakbrokebringbroughtbuildbuiltbuybought原形原形过去式过去式catchcaughtcomecamedodiddrawdrewdrinkdrankdrivedroveeatatefallfell不规则动词表原形 过去式原形 不规则动词表不规则动词表原形原形过去式过去式amiswasarewerebeginbeganbreakbrokebringbroughtbuildbuiltbuybought原形原形过去式过去式catchcaughtcomecamedodiddrawdrewdrinkdrankdrivedroveeatatefallfell不规则动词表原形 过去式原形 am,iswasareweregowentdodidhavehadcomecametaketooksaysaideatateseesawgetgotputputsleepsleptgivegavewritewrotereadread动词不规则变化动词不规则变化/red/http:/ arebuyboughtsitsatrunranswimswammakemadefeelfelthearheardgrowgrewtelltoldknowknewfindfoundbeginbeganbringbroughtstandstoodspendspentcatchcaughtteachtaught动词不规则变化动词不规则变化http:/ sitsat1 1.写出下列动词的过去式写出下列动词的过去式1.stay_2.go_3.visit_4.swim_5.study_6.have_7.fly_8.draw_9.do_10.rain_11.help_12.lose_13.make_14.walk_15.decide_16.eat_17.am/is_18.are_stayedwentvisitedswamhadwaswereatewalkedmadehelpeddecideddidflewstudieddrewrainedlosthttp:/ _ have-look-begin-use-shop-get-dance-study-现在分词现在分词第三人称单数第三人称单数过去式过去式study-finish-have-go-do-play-watch-give-need-stop-hope-play-try-plan-visit-like-havinglookingbeginningusingshoppinggettingdancingstudying studiesfinisheshasgoesdoesplayswatchesgives neededstoppedhopedplayedtriedplannedvisitedliked have-现在分词第三人称单数过去式study-need用所给动词的适当形式填空。用所给动词的适当形式填空。1.Listen!Mary_(sing)now.2.Ayoungman(run)ontheplaygroundnow.3.Mymother_(watch)TVplayeveryday.4.OldBush_(visit)Chinaagainlastmonth.5.I_(play)sportsthreetimesaday.6.Look!LucyandLily_(read)books.7.There_(is)afootballmatchyesterday.8.Ourclass_(go)tothezoothreedaysago.issingingisrunning watches visited playarereading was went1.Listen!Mary _ (s时态大比拼时态大比拼She got up at seven oclock yesterday.（用 now改写）She is getting up now.（用 every day改写）She gets up at seven oclock every day.时态大比拼时态大比拼时态大比拼时态大比拼Look！Tom is cleaning his room.（用on weekends 改写）Tom cleans his room on weekends.（用two hours ago改写）Tom cleaned his room two hours ago.时态大比拼Look！Tom is cleaning his I usually wash my clothes in the afternoon.(用用now改写改写)I am washing my clothes now.(用用last weekend改写改写)I washed my clothes last weekend.I usually wash my clothes in t再见Read and think.（判断下面句子的（判断下面句子的时态，动词有什么变化）时态，动词有什么变化）Tom always gets presents on his birthday.They usually go to school at seven oclcok.My mother often watches TV on the computer.We sometimes play basketball after school.总 是是通通 常常经 常常有有 时Read and think.（判断下面句子的时态，动词有什 一般现在时v一、写出下列动词的第三人称单数形式v1.work_read_v2.clean_write_v3.teach_wash_v4.guess_watch_v5.go_do_v6.study_fly_v7.cry_play_v8.have_一般现在时一、写出下列动词的第三人称单数形式v一、写出下列动词的第三人称单数形式v1.workworksreadreadsv2.cleancleanswritewritesv3.teachteacheswashwashesv4.guessguesseswatchwatchesv5.gogoesdodoesv6.studystudiesflyfliesv7.crycriesplayplaysv8.havehas一、写出下列动词的第三人称单数形式大多数单词大多数单词+stalk-talkslook-looks以辅音以辅音y结结尾的单词尾的单词变变y为为i加加esflyflies（元音（元音+y直接加直接加s）以以s,ch,sh 或者或者 x结尾结尾的单词的单词+es miss-misses watch-watches wash-washes fix-fixes大多数单词+stalk-talks以辅音y结尾的单词变一般在动词原形后一般在动词原形后+ing以不发音的以不发音的e结尾结尾的，去的，去e，+ing以辅音以辅音+元音元音+辅音辅音字母结尾的，双写字母结尾的，双写这一字母这一字母+ing动词动词-ing形式的构成：形式的构成：writingtakinggettingrunningswimminggoinggoaskwritetakegetrunswimasking一般在动词原形后+ing以不发音的e结尾的，去e，+ing以动词过去式转换练习动词过去式转换练习将下列动词变为过去式将下列动词变为过去式返回上页订正答案e16.say17.see18.put19.eat20.take21.read动词过去式转换练习返回上页订正答案1.look2.l返回上页返回首页返回练习动词过去式转换练习动词过去式转换练习答答 案案1.looklooked2.livelived3.stopstopped4.carrycarried5.hopehoped6.thinkthought7.Callcalled8.finishfinished9.wantwanted10.Arewere11.go went12.havehad13.dodid ecame16.saysaid 17.seesaw18.putput19.eatate20.taketook21.readread返回上页返回首页返回练习动词过去式转换练习1.look 1.We studyatMengheSecondarySchool.2.Iwashthedisheseveryday.3.Yousometimestakeabushome.4.Theyusuallyhavelunchat11:30.Wedont studyatNo.1MiddleSchool.Idontwashthedisheseveryday.Youdontsometimestakeabushome.Theydontusuallyhavelunchat11:30.DoyoustudyatNo.1MiddleSchool?Yes,wedo./No,wedont.Doyouwashthedisheseveryday?Yes,Ido./No,Idont.Dowesometimestakeabushome?Yes,youdo./No,youdont.Do they usually have lunch at 11:30?Yes,they do./No,they dont.1.We study at Menghe SecondarHe/Shelikesreading.He/SheflieskitesonSundays.He/Shemisseshis/hermother.He/Shedoesntmisshis/hermother.Yes,he/shedoes.No,he/shedoesnt.He/Shedoesntlikereading.He/ShedoesntflykitesonSundays.Doeshe/shelikereading?Doeshe/sheflykitesonSundays?He/She likes reading.He/She do Read and find:Read and find:一般一般现在在时含有含有bebe动词的疑的疑问句、否定句、否定句是怎句是怎样变化的？化的？结构构1 1：主主语+be+be（am/is/aream/is/are）+其它其它 陈述句：述句：SheShe is is from America.from America.否定句：否定句：SheShe is is not not from America.from America.一般疑一般疑问句：句：Is sheIs she from America from America?肯定回答肯定回答 ：Yes,she is.Yes,she is.否定回答否定回答 ：No,she isnt.No,she isnt.一般一般现在在时含有含有bebe动词变疑疑问、否定句、否定句的口的口诀：要：要变一般疑一般疑问句，句，be be动词提前提前很容易。否定句，很很容易。否定句，很简单，notnot 在在be be 动词后后面站面站。Read and find:一般现在时含有be动词的疑问一般现在时含有be动词变疑问、否定句的口诀：要变一般疑问句，be动词提前很容易。否定句，很简单，not 在be 动词后面站。Complete the sentences.王先生是我们的英语老师。1.Mr Wang _(be)our English teacher.2.Mr Wang _(not be)our English teacher.3._(be)Mr Wang our English teacher?4.Yes,_ _.No,_ _.is is is not/isntis not/isntIs Is he is he ishe isnthe isnt一般一般现在在时一般现在时含有be动词变疑问、否定句的口诀：要变一般疑问句，一般现在时结构结构2：主语主语+行为动词行为动词+其它其它(但是当主语是第三人称单数时，行为动词但是当主语是第三人称单数时，行为动词+s/es/y改改i加加es)We go to school at 7:00.Lucy goes to school at 7:00.She stduies English every day.否定句结构：主语否定句结构：主语+dont/doesnt+动词原形动词原形+其它其它We dont go to school at 7:00.Lucy doesnt go to school at 7:00.She doesnt stduy English every day.一般一般现在在时变否定句口否定句口诀：若是：若是没有没有bebe动词，do,doesdo,does加加notnot 要牢要牢记。一般现在时结构2：主语+行为动词+其它一般现在时变否定句口诀 She goes to school at 7:00.疑问句结构：疑问句结构：Do/Does+主语主语+动词原形动词原形+其它其它 Does she go to school at 7:00?肯定回答：肯定回答：Yes,she does.否定回答：否定回答：No,she doesnt.Complete the sentences.Complete the sentences.She studies English every day.She studies English every day.1.She _ _ English every day.1.She _ _ English every day.（变否否定句）定句）2._ she _ English every day?2._ she _ English every day?（变疑疑问句）句）3.Yes,_ _.3.Yes,_ _.（肯定回答）（肯定回答）No,_ _.No,_ _.（否定回答）（否定回答）doesnt studydoesnt studyDoes Does studystudyshe doesshe doesshe doesntshe doesnt 一般一般现在在时行行为动词变疑疑问句口句口诀：一添、二改、三原、四一添、二改、三原、四问号号。即一添即一添Do/Does,Do/Does,二大二大写写改小改小写写，三，三动词用用原形，四句末加原形，四句末加“？”选择填填空空Mymotheroftenoranges.AeatB.eatsC.eating2.Myauntsometimesverywell.A.singB.singsC.singing3.Theyusuallyemailstotheirfriends.A.sendB.sendsC.sending4.Hedoesnt_hishomeworkatschool.A.doB.isdoingC.does5.LilyandLucy_fromAmerica.A.isB.areC.am6.thetigersalways_inChina?A.Does;liveB.Does;livesC.Do;live7.PeopleSpringFestivaleveryyear.A.celebratesB.celebratecelebrateC.celebratingB BBAABcB一般一般现在在时选择填空BBAABcB一般现在时一般现在时Summary（小结）（小结）这节课我们学习了这节课我们学习了1.一般现在时的概念：一般现在时的概念：。常与：常与：always,usually,often,sometimes连用。连用。2.一般现在时一般现在时be动词、行为动词在句中的动词、行为动词在句中的变化。变化。3.一般现在时疑问句、否定句的变化口决。一般现在时疑问句、否定句的变化口决。一般现在时Summary（小结）一般现在时Summary（小结）（小结）一般现在时顺口溜一般现在时顺口溜第一、二人称和复数，动词原形不变换。第一、二人称和复数，动词原形不变换。当主语是当主语是三单三单时，动词后时，动词后加加s(es)别忘怀。别忘怀。要变一般疑问句，要变一般疑问句，be动词动词提前提前很容易。很容易。若是若是没有没有be动词，动词，Do和和Does开头开头要注意。要注意。否定句，很简单，否定句，很简单，not 在在be 动词动词后面站后面站。若是若是没有没有be动词，动词，do,does加加not 要牢记。要牢记。一般现在时Summary（小结）一般现在时Complete the passage.（用括号内词的适当形式填空）（用括号内词的适当形式填空）I _(be)a student.I _(be)from ChinaMr Wei_(be)my English teacher.He _(speak)English well and he _(work)hard a lot.I_(like)English very much.Lucy_(be)myfriend.She _(be)from America.She _(not speak)Chinese well.We _(not like)football.We _(be)good friends.amamamamis isspeaksspeaksworksworkslikelikeis isis isdoesnt speakdoesnt speakdont likedont likeareare一般现在时Complete the passage.（用括号Thank you!人有了知识，就会具备各种分析能力，明辨是非的能力。所以我们要勤恳读书，广泛阅读，古人说“书中自有黄金屋。”通过阅读科技书籍，我们能丰富知识，培养逻辑思维能力；通过阅读文学作品，我们能提高文学鉴赏水平，培养文学情趣；通过阅读报刊，我们能增长见识，扩大自己的知识面。有许多书籍还能培养我们的道德情操，给我们巨大的精神力量，鼓舞我们前进。人有了知识，就会具备各种分析能力，一般现在时现在进行时及一般过去时讲解ppt课件