一般现在时教案

1/8一般现在时一、定义(1)表示经常发生或习惯性发生的动作时，用一般现在时态。IoftenwatchTVathome.Iusuallygetupatsix.Idomyhomeworkeverynight.(2)表示客观的事实，用一般现在时态。Therearesevendaysinaweek.Theskyisblue。二、特征词——一般现在时的好朋友(1)every+时间：everyday/everyweek/everymonth/everyyear/everymorning/everyafternoon/everyevening…(2)频度副词：always/usually/often/sometimes/rarely/seldom/never(3)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三、一般现在时的构成(1)肯定句的结构①be动词：主语+be(am,is,are)+其它。Iamaboy.Heishappy.②行为动词：主语+行为动词(+其它)。WestudyEnglish.Theboyplaysbasketball.★注意：①当句子主语是I,we,they,you（第一、二人称）或复数名词时，动词用动词形。②当句子的主语是he,she,it或单数名词（第三人称单数）时，动词要用第三人称单数的现在式形态（在动词后面加-s或-es）。MarylikesChinese.★复习：人称单数复数第一人称Iwe第二人称youyou2/8第三人称He\she\itthey第三人称单数动词变化★课堂巩固操练（造句）1:Tom、cleantheroom2:ACat、eatfish3:Mary、watchTV4:Mymother、workinafactory★练习1.把下列人称归类Tom,Jiamin,I,myfather,you,they,mycousin,herdaughter,ourteacher,he,she,it,yoursister,hisfriend,hisfriends,theirbrother,theirbrothers,thecat,littledog,thetable,mybag第一人称：第二人称：第三人称单数：第三人称复数：2.选择适当的词填空(1)I______(have,has)abeautifultoybear.(2)They_____(have,has)somepostcards.(3)Tim______(have,has)anewbasketball.(4)Mysister________(have,has)threegreenskirts.(5)I_________(like,likes)playingchess.(6)He_______(like,likes)listeningtotheradio.（2）否定句的结构①be动词：人称+Be(am,is,are)动词否定形式+其它.Be动词的否定形式一般动词后加swears,reads,works,makes,likes,laughs,buys以s,x,ch,sh结尾,后加eswatches,brushes,teaches，guesses,catches.以辅音字母+o结尾,一边加esgoes,does辅音字母+y结尾的单词,变y为I,加esWorries,carries特殊形式have---has3/8肯定形式否定形式缩写形式amamnot\isisnotisn’tarearenotaren’te.g.：Iamnotaboy.Heisn’thappy.②行为动词：人称+助动词否定形式+行为动词（+其它）第三人称单数一般现在时的否定形式,在行为动词前加doesn’t(doesnot).e.g.：Igetsupearly.Idon’tgetupearly.Wedon’tstudyEnglish.★注意：一旦遇见“doesn’t”“do”这两个词时，动词必须还原。e.g.Thegirllikeseatingfruitsverymuch.Thegirldoesn’tlikeeatingfruitsatall.Doesthegirllikeeatingfruits?★课堂巩固操练1:Tom、cleantheroom2:ACat、eatfish3:Mary、watchTV4:Mymother、workinafactory★练习——考考你把下面的句子改为否定形式：Heisaworker.Heoftenplaybasketball.Thestudentsarehappyeveryday。Iusuallygotothezoowithmymother.。Wespendtwohoursonourhomeworkeverynight.。Thecatlookslovely.Theydanceafterschool.（3）一般疑问句的结构（一般疑问句读音升调）①Be动词+主语+其它？Yes,主语+Be动词No,主语+Benot.E.g.:AreyouJim?——Yes,Iam(这里不能缩写).\No,I’mTom.Isyourfathertall?——Yes，heis.\No,heisn’t.②助动词（do\does）+主语+动词原形（+其它）？Yes,主语+do\does.No,主语+do\doesnot.E.g.:Doyouhaveastorybook?——Yes,Ido.\No,Idon’t.DoesLilygotoschoolbybike?Yes,shedoes.\No,shedoesn’t.4/8★课堂巩固操练Heisinred.——Isheinred?Yes,....\No,....Sheisbeautiful.——Isshebeautiful?Yes,....\No,....Shelooksthin.——Doesshelookthin?Yes,....\No,....③如果主语是thisthat,回答时用it代替，如果问句中主语these,those,回答时用they′代替。e.g.Isthisyourbag?——Yes,itis.\No,itisn’t.Arethoseoranges?——Yes,theyare.\No,theyaren’t.★课堂巩固操练——课堂现场情景句子转换Thisishisbook.——Isthishisbook?Yes,itis.\No,itisn’t.Thatisaschoolbag.——Isthataschoolbag?Yes,itis.\No,itisn’t.Thisonemakesmehappy.——Doesthisonemakeyouhappy?Yes,itdoes.\No,itdoesn’t.Thesearedesks.——Arethesedesks?Yes,theyare.\No,theyaren’t.④陈述句变一般疑问句应注意的事项a.如果陈述句中有第一人称，则变问句时最好要变为第二人称。e.g.：Iusuallyhavelunchatschool.→Doyouusuallyhavelunchatschool?Myfatherisplayingsoccer.→Isyourfatherplayingsoccer?b.如果陈述句中有some,则变问句时往往要变成any。e.g.：IhavesomefriendsinAmerica.→DoyouhaveanyfriendsinAmerica?★课堂巩固操练IlistentothemusiceverySaturday.WelikeTom&Jerry.Iknowsomestoriesinthisbook.★小试牛刀变一般疑问句并作肯定和否定回答。1.Hewantsabook.2.Jimmywasheshandsbeforedinner.3.Lisalikesmilkverymuch.4.Theywalktoschool.5.LinglingandDandanare10yearsold.5/86.IamChinese.7.BenisfromAmerica.（4）特殊疑问句的结构（特殊疑问句读音降调）特殊疑问词+助动词（do\does）+主语+动词原形+其他？eg:WheredoyoudostudyEnglish?特殊疑问词+be动词+主语+其他？【即疑问词+一般疑问句的结构】eg:WhyisyourMumsoangry?疑问词有：what,when,why,who,where,how.......e.g.Whendotheyhavelunch?Wheredoeshedohishomework?Howisyourfather??★小试牛刀——对划线部分提问1.Hewantsabook.2.Jimmywasheshandsbeforedinner.3.Lisalikesmilkverymuch.4.TheywalktoschoolonMonday.5.LinglingandDandanare10yearsold.6.Iamadoctor.7.BenisfromAmerica.一般现在时各种句式可以总结如下:肯定否定疑问回答IoftengototheparkonSunday.Idon’toftengototheparkonSunday.DoIoftengototheparkonSunday?Yes,Ido.No,Idon’t.Youoftengobybike.Youdon’toftengobybike.Doyouoftengobybike?Yes,Ido.No,Idon’t.Wegotoapicnicinsummerholiday.Wedon’tgotoapicnicinsummerholiday.Dowegotoapicnicinsummerholiday?Yes,wedo.No,wedon’t.Theyoftenplaytogether.Theydon’toftenplaytogether.Dotheyoftenplaytogether?Yes,theydo.No,theydon’t.He/Shelikesfootball.He/Shedoesn’tlikefootball.Doeshe/shelikefootball?Yes,he/shedoes.No,he/shedoesn’t.6/8★实战训练一、选择正确的答案填空，将其字母编号写在题前的括号内。（）1.Mymother_______houseworkeveryday.A.didB.doC.does（）2.Theliondoesn’t______thenetthreetimesaday.A.bitedB.biteC.biting（）3.He______abigholeeveryweek.A.makesB.ismakingC.made（）4.Doesthecat______amouseeveryhour?A.catchB.catchingC.catches（）5.Heusually_______theearthtothehill.A.carryB.carriesC.carrys（）6.Mymotheralways_______upathalfsix.A.gotB.getC.gets（）7.Sheoften_____underabigtreeand_____booksinthemorning.A.sit…readsB.sits…readC.sits…reads（）8.______theboy______TVonweekdays?A.Do…watchesB.Does…watchC.Do…watch（）9.Theirfriend______totheparkeverytwodays.A.goB.goesC.going（）10.Henever______alotofwaterafterhe___