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：A.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。①HanMeilookslikehermother.韩梅看起来像她的母亲②BeijingisinChina.北京在中国。③UncleWangoftenmakescakes.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。①Apandaisashyanimal.熊猫是害羞的动物。②Thisbookisyellow.这本书是黄色的。③Thatcarisred.那辆小汽车是红色的。④Thecatisblack.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.gogoesgets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（can’t)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(doesn’t),非单三时，否定句在动词前加donot（don’t)例如一般现在时（否定句）1、Itoschoolbybus.否：Itoschoolbybus.2、Hetoschoolbybus.否：Hetoschoolbybus.godon’tgogoesdoesn’tgoB.否定句：主语+don’t/doesn’t+动词原形+其他。IstudyEnglisheverymorning.WespeakChinese.Jimlikesplayingfootball.Idon’tstudyEnglisheverymorning.Wedon’tspeakChinese.Jimdoesn’tlikeplayingfootball.变否定句Iwantabanana.Idon’twantabanana.变否定句ShespeaksEnglishwell.Shedoesn’tspeakEnglishwell.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.DoesgogoesgogoDoC.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？It’s3dollars.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.Whatdoyouwant？变特殊疑问句It‘sthirteendollars.Howmuchisit？一般现在时结构：肯定句：主语+动词原形/单三一般疑问句：Do/Does+主语+动词原形否定句：主语+don’t/doesn’t+动词原形肯/否回答：Yes,主语do/does.No,主语don’t/doesn’t.特殊疑问句：特殊疑问词+do/does+主语+动词原形