1、一般現(xiàn)在時(shí)的講解及用法一、定義與講解1，定：一般在，表示常性的事情，常性的作或一般性事。2，只有在第三人稱數(shù)用的“三化”，其他用的原形。注：1)第一人稱（I，we)第二人稱（you）第三人稱（He,She,they,it,所有的名字名稱）數(shù)（一個(gè)人或事物）復(fù)數(shù)（兩個(gè)或兩個(gè)以上的人或事物）第三人稱數(shù)（第三方的個(gè)的人或事物，除了they）2)三化多數(shù)在（不是名）后seg:playplayslikelikes（1）直接在尾加-s.ask-askswork-worksget-getsstay-stays2）以字母s,x,ch,sh或o尾的，在尾直接加-es.watch-watcheswish-wish

2、esfix-fixesdo-doesgo-goespass-passes3）以“音字母加-y”尾的，要先yi再加-es.（音字母：除a,e,i,o,u5個(gè)元音字母外的21個(gè)字母都是音字母；元音字母加-y：stay-staysplay-playssay-saysbuy-buys音字母加-y:try-triesstudy-studiescry-criesfly-flies二、一般現(xiàn)在時(shí)的用法1，經(jīng)常性或習(xí)慣性的動(dòng)作，常與表示頻度的時(shí)間狀語連用。狀：everyday,sometimes,at,onSunday，usually,onceaweekIleavehomeforschoolat7everym

3、orning.2，客真理，客存在，科學(xué)事。Theearthgoesaroundthesun.3，表示格言或警句中。Practicemakesperfect.熟能生巧。注意：此用法若是出現(xiàn)在賓語從句中，即使主句是過去時(shí)，從句謂語也要用一般現(xiàn)在時(shí)。例：Columbusprovedthattheearthisround.4，現(xiàn)在時(shí)刻的狀態(tài)、能力、性格、個(gè)性。MisswangwritesgoodEnglishbutdoesnotspeakwell.5，在某些以here,there開頭的句子中，用一般現(xiàn)在時(shí)表示正在發(fā)生的動(dòng)作。eg.Herecomesabus.公交車來了注：與一般現(xiàn)在時(shí)連用的時(shí)間狀語（表

4、示時(shí)間的詞或詞組）1）表示頻率的副詞：always,often,usually,sometimes.2）時(shí)間狀語：onSundays,everyday,everymorning,everyyear.3）表示頻率的詞組：onceayear,threetimesaweek.動(dòng)詞有三種：實(shí)義動(dòng)詞，be動(dòng)詞，神情動(dòng)詞（初一未涉及）5，一般現(xiàn)在時(shí)中，當(dāng)主語是第三人稱單數(shù)，動(dòng)詞是實(shí)義動(dòng)詞1）動(dòng)詞變相應(yīng)的第三人稱單數(shù)形式2）必定句主語+動(dòng)詞s+其他eg.(2011)Billoftengivesmoneytothepoor.（3）否定句主語+doesnt+動(dòng)詞原形+其他eg.Billoftendoesntgi

5、vemoneytothepoor.（4）一般疑問句Does+主語+動(dòng)詞原形+其他eg.Doesbilloftengivemoneytothepoor.必定回答Yes，主語+does(Yes,hedoes)6）否定回答No，主語+doesnt(No,hedoesnt)6，當(dāng)主語不是第三人稱單數(shù)時(shí)（動(dòng)詞沒有三單變化），動(dòng)詞是實(shí)義動(dòng)詞（1）必定句主語+動(dòng)詞原形+其他wanttomarryyou.（2）否定句主語+dont+動(dòng)詞原形+其他dontwanttomarryyou.（3）一般疑問句Do+主語+動(dòng)詞原形+其他youwanttomarryme必定回答Yes,主語+do(Yes,Ido.)否定回答

6、No，主語+dont(No,Idont.)be動(dòng)詞的一般現(xiàn)在時(shí)有三種形式，即：am,is,are。若是主語是第一人稱I時(shí)，be動(dòng)詞用am。Eg.必定句：Iamastudent.我是一名學(xué)生。否定句：amnot一般疑問句：Ami必定/否定回答：Yes,iam.Noiamnot.若是主語是you（你，你們）,they（他們，它們，她們）或名詞復(fù)數(shù)（兩個(gè)以上的人或物）時(shí)，be動(dòng)詞必定用are。如：必定句，否定句，一般疑問句及必定、否定回答Youaremygoodfriend.TomandLilyaremygoodfriends.Theyaremygoodfriends.are與主語還可縮寫。如：We

7、are=Were，Theyare=Theyre,Youare=Youre。而are與not可縮寫成arent。如：Theyarentstudents.他們不是學(xué)生。但是am與not不能夠縮寫。3.若是主語是單數(shù)名詞、不能數(shù)名詞或單數(shù)第三人稱代詞（he,she,it）時(shí)，be動(dòng)詞用is。必定句/否定句/一般疑問句及必定、否定的回答如:Mymotherisateacher.我的媽媽是一名老師。Heisastudent.他是一名學(xué)生。is也可與主語縮寫,如:Heis=Hes,Mymotheris=Mymothers等。但是Thisis不能縮寫。而is與not可縮寫成isnt。如:Thisisntab

8、ook.這不是一本書。三、課堂練習(xí)牢固1,主語為第三人稱單數(shù)必定句：He_gets_(get)upatsixoclock.否定句：doesnt,get一般疑問句：Doeshegetupatsixoclock.(必定，否定回答）2，主語為第一人稱I_get_(get)upatsixoclock.否定句：Idontgetupatsixoclock.一般疑問句：Doyougetupatsixoclock.（必定，否定回答）四、課堂增強(qiáng)練習(xí)（一）單項(xiàng)選擇題1，Thepicture_nice.A.looksB.islookedC.lookD.islooking2，She_downandsoonfalls

9、asleep.A.liveB.lainC.laidD.sits3，Theteacher_ustocometoschoolontime.A.askB.askingC.asksD.asked4，Johnalways_others.A.helpB.helpingC.helpsD.tohelpHe_foreighthourseveryday.A.workingB.toworkC.worksD.workedYoudbetter_athomeand_yourhomework.A.tostay,doB.stay,doC.tostay,todoD.stay,todoHesitsdownand_arest.A.

10、havingB.haveC.tohaveD.has8.UncleWangnever_acake.A.makeB.tomakeC.makingD.makes（二）句子改錯(cuò)（三）1.IsyourbrotherspeakEnglish？（四）2.Doeshelikesgoingfishing？（五）3.Helikesplaygamesafterclass.（六）4.Mr.WuteachsusEnglish.（七）5.Shedontdoherhomeworkeveryevening.五、課后練習(xí)（一）用動(dòng)詞的合適形式填空1.She_(go)toschoolatsevenoclock.2.Its6ocl

11、ock.Theyare_(eat)supper.Heusually_upat17:00.(get)She_(live)inBeijing.Amy_(be)herejustnow.6._(be)thereaflyonthetablejustnowMyfather_(watch)TVeveryevening.Myfather_(make)toysthesedays.9_Amy_(read)EnglisheverydayChenJiesometimes_(go)totheparkwithhersister.（二）選擇填空1Iwant_homeworknow.A.doingB.todoC.todomy

12、D.domy2Itstime_.A.gotoschoolB.playgamesC.togohomeD.todomyhomeworks3_you_theblackboardYes,Iam.A.Can,cleanB.Am,cleaningC.Are,cleaningD.Doclean4_goandhelpher.A.LetsmeB.LetsusC.LetsD.Letsto5WhataretheydoingTheyare_thingsaway.A.putB.putingC.puttingD.carry6DotheyhaveanewcarYes,_.A.theyarehaveC.theydontD.t

13、heydo7Heoften_supperat6:00intheevening.A.haveB.hasc.ishavingD.iseating8.Its6oclockinthemorning.He_.A.getupB.getsupC.isgetingupD.isgettingup9.WhatareyoudoingIm_TV.A.watchB.watchesC.towatchD.watching10.We_anyChineseclassesonFriday.A.arehavingB.arenthavingC.donthaveD.arehave11.Tom_anEnglishclassnow.A.i

14、shavingB.hasC.havingD.have12.AreyouplayingbasketballNo,we_.A.isntB.arentC.notD.dontListen!Thegirl_intheroom.A.singsB.singingC.issingingD.aresingingTheboyis_tohisteacher.A.sayingB.speakingC.talkingD.telling（三）用括號(hào)內(nèi)動(dòng)詞的合適形式填空。Heoften_(have)dinnerathome.DanielandTommy_(be)inClassOne.We_(notwatch)TVonMonday.Nick_(notgo)tothezooonSunday.they_(like)theWorldCupWhattheyoften_(do)onSaturdaysyourparents_(read)newspaperseverydayThegirl_(teach)usEnglishonSundays.SheandI_(take)awalktogethereveryevening.There_(be)somewaterinthebottle.Mike_(like)cooking.They_(have)thesamehobby.Myaunt_(look)afterherbabycar