一般现在时讲解与练习一般现在时表示经常或习惯性的动作或一般性事实。通常与副词everyday(每天),always(总是),usually(通常),often(经常)sometimes(有时),等时间状语连用。1.表示事物或人物的特征、状态。如:Theskyisblue.天空是蓝色的。2.表示经常性或习惯性的动作。如:Igetupatsixeveryday.我每天六点起床。3.表示客观现实。如:Theearthgoesaroundthesun.地球绕着太阳转。4.表示平日的喜好。Ilikebananas.Wedon’tlikevegetables.构成:1.be动词:主语+be(am,is,are)+其它。如:Iamaboy.我是一个男孩。2.行为动词:主语+行为动词(+其它)。如:WestudyEnglish.我们学习英语。当主语为第三人称单数(he,she,it)时,要在动词后加-s或-es或变“y”为“ies”如:MarylikesChinese.玛丽喜欢汉语。MissGuteachesusEnglish.顾老师教我们英语。ShestudiesChineseeveryday.她每天学习语文。否定句、一般疑问句、特殊疑问句:1.be动词的变化。否定句:主语+be+not+其它。如:Heisnotaworker.他不是工人。一般疑问句:Be+主语+其它。如:-Areyouastudent?-Yes.Iam./No,I’mnot.特殊疑问句:疑问词+一般疑问句。如:Whereismybike?2.行为动词的变化。否定句:主语+don’t(doesn’t)+动词原形(+其它)。如:Idon’tlikebread.当主语为第三人称单数时,要用doesn’t构成否定句。如:Hedoesn’toftenplay.一般疑问句:Do(Does)+主语+动词原形+其它。如:-Doyouoftenplayfootball?-Yes,Ido./No,Idon’t.当主语为第三人称单数时,要用does构成一般疑问句。如:-Doesshegotoworkbybike?-Yes,shedoes./No,shedoesn’t.特殊疑问句:疑问词+一般疑问句。如:Howdoesyourfathergotowork?一般现在时的动词形式一般现在时主要由动词原形表示,但第三人称单数后的动词词尾有所变化。第三人称单数动词词尾的变化有几种形式:一般情况加-sreads,says,takes以ch,sh,s,x,或o结尾的加-esteaches,washes,goes,misses,mixes以辅音字母加y结尾的词变y为i再加-esstudies,cries,carries※在一般现在时中,当主语是第三人称单数时,谓语动词要用第三人称单数形式。一、人称代词he,she,it是第三人称单数。如:HelikeswatchingTV.他喜欢看电视。Shehaslunchattwelve.她十二点吃午餐。二、单个人名、地名或称呼作主语;是第三人称单数。如:①HanMeilikessalsd.韩梅喜欢萨拉。②BeijingisinChina.北京在中国。③UncleWangoftenplaysvolleyball..王叔叔经常打排球。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。如:②Thisbookisyours.这本书是你的。③Thatcarisred.④ThecatisLucy's.这只猫是露茜的。四、不定代词someone,somebody,nobody,everything,something等及指示代词this,that作主语时,是第三人称单数。①Everyoneishere.大家到齐了。②Thereisawatchonthetable.桌上有块手表。③Thisisapen.这是一支钢笔。④Thatisaneraser.五、不可数名词作主语时为第三人称单数。如:①Themilk(牛奶)isintheglass.牛奶在玻璃杯里。②Thebreadisverysmall.那面包很小。六、当数字或字母作主语时,看作第三人称单数。如:①6isaluckynumber.6是个吉利数字。②Iisaletter.I是个字母。巩固练习题:一、按照要求改写句子1.Thisismypencil?(变一般疑问句)yourpencil?2.TheseredsocksareKate’s.(变一般疑问句)socksKate’s?3.Marydoesnothaveanybooks.(变肯定句)Marybooks.4.Shelikestheblackbagverymuch.(变为否定句)5.Ilikeapples.(用she改写句子)6.It’sanEnglishdictionary.(对画线部分提问).7.Hehashamburgerandapplesfordinner.(变一般疑问句)二、用Be动词填空。1.youLiFen?No,not.2.Mr.greenverybusy?Yes,he.3..Thisbookveryinteresting.4.Whatclassyouin?5.YouandIgoodfriends.6.Thebasketballclubfun.三.用所给动词的适当形式填空。1.LinTao(like)hisruler.2.Let’s(have)icecream.3.Let’s(play)tennis!4.He(like)English.5.Nice(meet)you!6.I(need)somefruits.一般现在时用法专练:一、写出下列动词的第三人称单数形式。havelikedrink_____go_____stay____make______look______have____come_____watch______plant_____fly_____do_____study____teach_____二、用括号内动词的适当形式填空。1.Heoften________(have)dinnerathome.2.DanielandTommy_______(be)inClassOne.3.We_______(notwatch)TVonMonday.4.Nick_______(notgo)tothezooonSunday.5.______they________(like)pears?6._______yourparents_______(have)eggseveryday?7.There________(be)somewaterinthebottle.18.Mike_______(like)cooking.9.They_______(have)thesamehobby.10.LiuTao_______(do)notlikePE.11.Thisboyoften_______(watch)TVintheevening.三、按照要求改写句子1.DanielwatchesTVeveryevening.(改为否定句)___________________________________________________2.Idomyhomeworkeveryday.(改为一般疑问句,作否定回答)___________________________________________________3.Shelikesmilk.(改为一般疑问句,作肯定回答)___________________________4.Amylikesplayingcomputergames.(改为一般疑问句,作否定回答)___________________________________________________5.Wegotoschooleverymorning.(改为否定句)__________________________________________________6.JohncomesfromCanada(加拿大).(对划线部分提问)___________________________________________________7.Sheisagoodstudent.(改为一般疑问句,作否定回答)___________________________________________________8.SimonandDaniellikeplaysports.(改为否定句)___________________________________________________五、改错(划出错误的地方,将正确的写在横线上)1.IsyourbrotherspeakEnglish?__________________2.Doeshelikesgoingfishing?________________3.Helikesplaygamesafterclass._________________4.Mr.WuteachsusEnglish._______________5.Shedon’tdoherhomeworkonSundays._____________