小学英语一般现在时

.,Thesimplepresenttense一般现在时,.,一般现在时表示经常发生的、习惯性的动作或存在的状态。与频率副词usually,often,sometimes,always和时间短语inthemorning/afternoon/evening,atnoon/night,everyday/week/year/month连用,其构成为：肯定句:主语+动词（原形或第三人称单数）+其他。,IstudyEnglisheverymorning.WespeakChinese.Jimlikesplayingfootball.,.,一般现在时,一般现在时表示经常或习惯性的动作，也可表示现在的状态或主语具备的性格和能力等。,.,一般现在时（肯定句）,在一般现在时中，句中有be动词或情态动词（can等）时，be动词要随主语而相应改变，情态动词不变。,例如,.,一般现在时（肯定句）,1、Iamateacher.2、Heisastudent.3、Youareaboy.4、Icanswim.,.,一般现在时（肯定句）,没有be动词和情态动词，主语为第三人称单数的肯定句，动词要按规则加上s或es，主语是非第三人称单数的肯定句，动词用原形。,例如,.,哪些主语是第三人称单数?,.,一、人称代词he,she,it是第三人称单数。,HelikeswatchingTV.他喜欢看电视。Shehaslunchattwelve.她十二点吃午餐。Itlookslikeacat.它看起来像只猫。,.,二、单个人名、地名或称呼作主语；是第三人称单数。,HanMeilookslikehermother.韩梅看起来像她的母亲BeijingisinChina.北京在中国。UncleWangoftenmakescakes.王叔叔经常做蛋糕。,.,三、单数可数名词或this/that/the+单数可数名词作主语时，是第三人称单数。,Apandaisashyanimal.熊猫是害羞的动物。Thisbookisyellow.这本书是黄色的。Thatcarisred.那辆小汽车是红色的。Thecatisblack.这只猫是黑色的。,.,当主语是第三人称单数时，动词需变化.动词单三的变化：1、一般情况下，直接加s，如：reads,plays,works,makes2、以s,x,ch,sh结尾，后加es.如：watches3、以辅音字母加o结尾,一般加es,如：does,goes4、“元音字母+y”结尾的单词，直接在词尾加-s。如：plays,says5、辅音字母+y结尾的单词,去y,加ies,如：worries,studies,.,一般现在时（肯定句）,1、Itoschoolbybus.2、Hetoschoolbybus.3、Sheupatsix.,go,goes,gets,.,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,.,一般现在时（否定句）,1、Iamateacher.否：Iamnotateacher.2、Heisastudent.否：Heisnotastudent.3、Youareaboy.否：Youarenotaboy.4、Icanswim.否：Icannot（cant)swim.,.,变否定句,Iamagoodboy.,Iamnotagoodboy.,.,变否定句,Heisatschool.,Heisnotatschool.,.,变否定句,Theyarestudents.,Theyarenotstudents.,.,变否定句,ShecanspeakEnglish.,ShecannotspeakEnglish.,.,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否定句在动词前加doesnot(doesnt),非单三时，否定句在动词前加donot（dont),例如,.,一般现在时（否定句）,1、Itoschoolbybus.否：Itoschoolbybus.2、Hetoschoolbybus.否：Hetoschoolbybus.,go,dontgo,goes,doesntgo,.,B.否定句：主语+dont/doesnt+动词原形+其他。IstudyEnglisheverymorning.WespeakChinese.Jimlikesplayingfootball.,IdontstudyEnglisheverymorning.,WedontspeakChinese.,Jimdoesntlikeplayingfootball.,.,变否定句,Iwantabanana.,Idontwantabanana.,.,变否定句,ShespeaksEnglishwell.,ShedoesntspeakEnglishwell.,.,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,例如,.,一般现在时（一般疑问句）,Heisastudent.Youareaboy.Isheastudent？Areyouaboy？Icanswim.Iamateacher.Canyouswim？AmIateacher？,.,Damingismyfriend.,IsDamingyourfriend？,变一般疑问句,.,Iamintheclassroom.,Areyouintheclassroom？,变一般疑问句,.,Damingcanplaybasketball.,CanDamingplaybasketball？,变一般疑问句,.,Wearegoodfriends.,Areyougoodfriends？,变一般疑问句,.,一般现在时（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，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,.,一般现在时（一般疑问句）,1、Itoschoolbybus.疑问句：youtoschoolbybus.2、Hetoschoolbybus.疑问句：hetoschoolbybus.,Does,go,goes,go,go,Do,.,C.一般疑问句：Do/Does+主语+动词原形+其他？,IcomefromChina.Katelikessingingeverymorning.LilyoftenwritestoheruncleintheU.S.A.,DoyoucomefromChina?,DoesKatelikesingingeverymorning?,DoesLilyoftenwritetoheruncleintheU.S.A?,.,Wehavelunchat12：00.,Doyouhavelunchat12：00？,变一般疑问句,.,Iwantabook.,Doyouwantabook？,变一般疑问句,.,Amywantssomechicken.,DoesAmywantanychicken？,变一般疑问句,.,特殊疑问句,时间：when地点：where人：who物：what状态：how年龄：howold价钱：howmuch数量：howmany,.,特殊疑问句,有be动词或情态动词构成：疑问词+be动词或情态动词+主语+其它,例如,.,特殊疑问句,ShecanspeakEnglish.Whatcanshespeak？Heisten.Howoldishe？Heisathome.Whereishe？Its3dollars.Howmuchisit?,.,特殊疑问句,没有be动词或情态动词构成：疑问词+do（does）+主语+动词原形+其它,例如,.,特殊疑问句（时间）,Hegoestoschoolatseven.Whendoeshegotoschool？,单数第三人称：,非单数第三人称：,Igotoschoolatsix.Whendoyougotoschool？,.,特殊疑问句（地点）,Hehaslunchatschool.Wheredoeshehavelunch？,单数第三人称：,非单数第三人称：,Childrenhavelunchatschool.Wheredochildrenhavelunch？,.,特殊疑问句（状态）,Hegoestoschoolbybus.Howdoeshegotoschool？,单数第三人称：,非单数第三人称：,Wegotoschoolbybus.Howdoyougotoschool？,.,D.特殊疑问句：疑问词+一般疑问句？,Ilikeplayingfootball.Jimeatssomebreadeverymorning.KatecomesfromAmerica.,Whatdoyoulike?,WhatdoesJimeateverymorning?,WheredoesKatecomefrom?,Doyoulikeplayingfootball?,DoesJimeatanybreadeverymorning?,DoesKatecomefromAmerica?,.,变特殊疑问句,Wegohomeatfour.,Whendoyougohome？,.,变特殊疑问句,Linglinghasdinnerathome.,WheredoesLinginghavedinner？,.,变特殊疑问句,Iamthirteen.,Howoldareyou？,.,变特殊疑问句,Sheisinthepark.,Whereisshe？,.,变特殊疑问句,Iwantabag.,Whatdoy