精品课件-小学一般现在时(详细讲解)

小学一般现在时(详细讲解)一般现在时(关键词)现在经常反复发生习惯性规律、真理1.表示现在的状态：e.g.He’stwelve.She’satwork.2.表经常、反复、习惯性的动作：e.g.Igetupat6:30everyday.HereadsEnglisheverymorning.常用的状语：often,sometimes,usually,everyday等。3.表示不受时间限制的普遍真理和自然规律：e.g.Twoandfourissix.Themoongoesaroundtheearth.常与一般现在时连用的词1、every系列•every•day•year•month•week•morning•afternoon•evening２、频率副词seldomrarelysometimesoftenusuallyalwaysnever３、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onSundays一般现在时的构成一、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.•主语为单数时――→•主语为复数时――→•主语为“I”时――→isareamExercise•1、Kitty______anEnglishgirl.•2、We______students.•3、I______fromGuangzhou.•4、She______tall.•5、LucyandLily______goodfriends.•6、Thosechairs______broken.•7、Thebag______mine.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)mineisn’taren’tamnotisn’taren’taren’tisn’tYes，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主语其他含be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，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esfly→fliescarry→carriesstudy→studies3、以“s,x,ch,sh”结尾的，在词尾加“es”，teach－teaches[iz];watch－watchesbox---boxes4、以“o”结尾的动词，加“es”go－goes[z]do－does[z]Completethesentences.1.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+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.•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行为动词一般疑问句的构成含行为动词（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。•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’tWereadEnglisheverymorning.→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?andor•变否定句时，and要变成orThereissomeairandwateronthemoon.→Thereisn'tanyairorwateronthemoon.Hehassomebrothersandsisters.→Hedoesn’thaveanybrothersorsisters.在否定句当中，too要改为eitherIlikeeatingapples,too.→Idon’tlikeeatingapples,either.