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。一般现在时(肯定句)1、Itoschoolbybus.2、Hetoschoolbybus.3、Sheupatsix.gogoesgets动词+s的变化规则1.一般情况下,直接加-s,如:stop-stops,come-comes2.以s.x.sh.ch.o结尾,加-es,如:do-does,watch-watches,go-goes3.以“辅音字母+y”结尾,变y为i,再加-es,如:study-studies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’tgo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.DoesgogoesgogoDoWehavelunchat12:00.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?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?变成否定句和一般疑问句及特殊疑问句1、Igohomebybike.2、Hegoestoschoolbybus.3、Shegetsupatsix.4、ShecanspeakEnglish.5、Heisten.6、Heisathome.7、It’s3dollars.