一般现在时表示现在经常性习惯性发生的动作或存在的状态。•常与一般现在时连用的词:every系列•day•year•month•week•morning•afternoon•evening•Monday....频率副词seldomsometimesoftenusuallyalwaysnever次数一次once两次twice三次threetimes一周两次twiceaweek每周四次fourtimesaweek每周六onSaturdays每周日onSundays1.表示现在的状态:e.g.He’stwelve.She’satwork.2.表经常或习惯性的动作:e.g.Igetupat6:30everyday.HereadsEnglisheverymorning.常用的状语:often,sometimes,usually,everyday等。3.表主语具备的性格和能力等:e.g.Shelikesnoodles.TheyspeakFrench.4.表示不受时间限制的普遍真理和自然规律:e.g.Twoandfourissix.Themoongoesaroundtheearth.用法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•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?isamare3、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Thegirlismyfriend.Exercise•1、KittyanEnglishgirl.•2、Westudents.•3、IfromTaizhou.•4、Shetall.•5、LucyandLilygoodfriends.•6、Thosechairsbroken.•7、Thebagmine.isareamisareareis否定句的构成主语+be+not+其他isnot=amnot=arenot=isn’t’mnotaren’t•1、Kitty(not)anEnglishgirl.•2、We(not)students.•3、I(not)fromTaizhou.•4、She(not)tall.•5、LucyandLily(not)goodfriends.•6、Thosechairs(not)broken.•7、Thebag(not)mine.isn’taren’tamnotisn’taren’taren’tisn’t情态动词的一般现在时•构成主语+情态动词+动词原形+其他ShecanspeakEnglish.注意:情态动词后的动词一定要用原形Eg:Theyshould(应该)beright.试比较:Theyareright.ShespeaksEnglish.否定句的构成主语+情态动词+not+动词原形+其他cannot=couldnot=mustnot=wouldnot=willnot=shouldnot=maynot=can’tcouldn’tmustn’twouldn’twon’tshouldn’tmaynot•She(cannot)speakEnglish.•You(mustnot)openthedoor.•They(shouldnot)beright.•I(willnot)gotoJapan.行为动词的一般现在时•构成主语+行为动词+其他Theseboyslikeplayingfootball.ThegirlreadsEnglisheverymorning.注意:当主语为第三人称单数时,行为动词要加s或者es什么时候加s,什么时候加es呢?•1、大多数动词在词尾直接加s,如read→readslook→looksplay→plays2、以辅音字母加y结尾的动词,要先将y变为i,再加es如:fly→fliescarry→carriesstudy→studies26个字母中除AEIOU五个元音字母外,其余21个都是辅音字母3、以“s,x,ch,sh”结尾的,在词尾加“es”,发音为[iz]如:teach-teaches[iz];watch-watches[iz]box--boxes4、以“o”结尾的动词,加“es”,读[z]如:go-goes[z]do-does[z]动词的第三人称变化规律Completethesentences.Usethesimplepresenttenseoftheverbsinbrackets1.Myfather_______(listen)totheradioeveryday.2.Mike_______(study)inamiddleschool.3.She______(take)Eddieforawalkaftersupper.4.He_______(wash)clotheswithhishands.5.Simon______(pass)theballtoDaniel.6.MissLi_______(teach)Chinese.7.Lookattheanimal,it____fourlegs.listenstakesstudieswashespassesteacheshas8否定句的构成主语+助动词(do/does)+not+行为动词原形+其他Theseboysdon’t(donot)likeplayingfootball.Thegirldoesn’t(doesnot)readEnglisheverymorning.什么时候用助动词do,什么时候用助动词does呢?取决于主语ThegirlreadsEnglisheverymorning.Theseboyslikeplayingfootball.Changethefollowingsentencesafterthemodels.1.Ilikered.(green)2.Theylikeapples.(oranges)3.Wetakeabustoschooleveryday.(walktoschool)Model1:Ilikefish.(meat)Idon’tlikemeat.Model2.Helikesreading.(writing)Hedoesn’tlikewriting.Idon’tlikegreen.Theydon’tlikeorange.Wedon’twalktoschooleveryday.104.Hisbrotherplaysfootballafterschool.(playbasketball)5.Itlookslikeacat.(hat)6.Shehasadogathome.(acat)Model1:Ilikefish.(meat)Idon’tlikemeat.Model2.Helikesreading.(writing)Hedoesn’tlikewriting.Hisbrotherdoesn’tplaybasketball.Itdoesn’tlooklikeahat.Shedoesn’thaveacatathome.11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:don’t和doesn’t之后动词一定要用原形Completethesentences.Usetheproperverbformsinbrackets1.Jordan_______(play)basketball.He___________(notplay)football.2.I_______(go)swimmingonSunday.ButI___________(notgo)shopping.3.Mycousins_______(enjoy)computergames.Butthey__________(notenjoy)ballgames.4.You_______(like)fish.Buthe___________(notlike)fish.playsdoesn’tplaygodon’tgoenjoydon’tenjoylikedoesn’tlike12一般疑问句•一般说来,英语中共有四种问句,分别是:1、一般疑问句2、特殊疑问句3、选择疑问句4、反意义疑问句今天我们来学习一般疑问句。那么,什么是一般疑问句呢?我们一起来听听一般疑问句的自白:Yes,itis.No,itisn’t.1、IsthisyourEnglishbook?注意:在回答时,主语要用相应的代词代替be+主语+其它部分?肯定回答:Yes,主语+be否定回答:No,主语+be+notbe主语其他第一家族:含be动词或情态动词的一般疑问句2、CanyouspeakEnglish?Yes,Ican.No,Ican’t.肯定回答:Yes,主语+情态动词否定回答:No,主语+情态动词+not情态动词+主语+动词原形+其它部分?注意:在回答时,主语要用相应的代词代替情态动词主语动词原形其他部分含be或情态动词一般疑问句的改写•秘诀:一调二改三问号一调:即把句中的be或情态动词调到主语前;二改:改换主语称谓,即将句中的主语Imymineweourours等第一人称分别改为相应的第二人称youyouryours等;三问号:句末的句号改为问号IamanEnglishteacher.→AreyouanEnglishteacher?WecanspeakEnglish→CanyouspeakEnglish?含be的一般疑问句、否定句改写口诀•我用am,你用are,is连着她他它•单数名词用is,复数名词全用are•变疑问往前提,句末问号莫丢弃,•变否定更容易,be后not莫忘记,•疑问否定任你变,句首大写莫迟疑!•问句:DoyourparentslikeEnglish?肯答:Yes,theydo.否答:No,theydon’t.助动词+主语+动词原形+其它?肯定回答用“Yes,主语+do/does.”否定回答用“No,主语+donot/doesnot.”助动词也常用缩写形式,主要有don’t,doesn’t第二家族:行为动词一般疑问句的构成第二家族:含行为动词(或称为实义动词)一般疑问句的改写•秘诀:一加二改三问号一加:即在句首加助动词Do或Does;二改:1、把谓语动词改为原形;2、改换主语称谓(同第一家组);三问号:句末的句号改为问号。特别注意:对于第二家族一定要注意动词的还原,因为时态与数的变化已经体现在助动词上了。WereadEnglisheverymorning.→DoyoureadEnglisheverymorning?Tom’sfatherlistenstoEnglishontheradioeveryevening.→DoesTom’sfatherlistentoEnglishontheradioeveryevening?句型转换•1.Mr.GreencomesfromShanghai.•(改为一般疑问句)•2.MillielivesinaflatinBeijing.•(改为否定句)DoesMr.GreencomefromShanghai?Milliedoesn’tliveinaflatinBeijing.•3.Danielenjoysplayingcomputergames.•(改为一般疑问句并做肯定回答)DoesDanielenjoyplayingcomputergames?Yes,hedoes.some、any•一般说来,some用于肯定句中,any用于否定句和疑问句中。改疑问句或否定句时,原句里的some要改成anyTherearesomebooksonthedesk.(改为否定句)→Therearen’tanybooksonthedesk.→Arethereanybooksonthedesk?Whynotbuysomeapples?为什么不买些苹果呢?Wouldyoulikesomemoreapples?你要不要再吃点苹果?注意:在表示建议或希望得到肯定回答时,some可用于疑问句,不用变成any.andor•