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实用标准文案大全教学内容知识点一：一般现在时【知识梳理】(1)一般现在时的基本结构和变化1.一般现在时的结构①be动词：主语+be(am,is,are)+其它。e.g.Iamaboy.我是一个男孩。②行为动词：主语+行为动词(+其它)。一般现在时主要用动词的原形表示，如果主语是第三人称单数，则在动词原形后加"-s"或"-es"e.g.Hegetsupearlyinthemorning.2.否定句和疑问句的变化①be动词的变化：A.否定句：主语+be+not+其它。Heisnotaworker.他不是工人。B.一般疑问句：Be+主语+其它。---Areyouastudent?---Yes.Iam./No,I'mnot.C.特殊疑问句：疑问词+一般疑问句。Whereismybike?②行为动词的变化：A.否定句：主语+don't(doesn't)+动词原形(+其它)。Idon'tlikebread./Hedoesn'tlikebread.B.一般疑问句：Do(Does)+主语+动词原形+其它。---Doyouoftenplayfootball?---Yes,Ido./No,Idon't.---Doesshegotoworkbybike?---Yes,shedoes./No,shedoesn't.C.特殊疑问句：疑问词+一般疑问句。Howdoesyourfathergotowork?（注意回顾动词第三人称单数形式变化规则）一般情况下在词尾加shelp→helps,clean→cleans,play→plays,wear→wears,give→gives;以s,x,ch,sh结尾的动词在词尾加esdress→dresses,fix→fixes,watch→watches,finish→finishes;以“辅音字母加y”结尾的动词，把y变为i，再study→studies,carry→carries,fly→flies）(2)一般现在时的用法1.表示经常性或习惯性的动作或行为。常与always,sometimes,often,usually,never等副词连用。e.g.IgotoschooleverydayexceptSaturdaysandSundays.Mymotheroftengetsupat6o’clock.2.表示现在的状态，能力，性格，个性。e.g.Myfatherteachesmaths.LinYandanceswell.3.表示普遍真理或客观事实。e.g.Theearthmovesaroundthesun.Thesunrisesintheeast.【注意】此用法如果出现在宾语从句中，即使主句是过去时，从句谓语也要用一般现在时。如：Ourphysicsteachersaidthatlighttravelsmuchfasterthansound.我们的物理老师说光的传播速度比声音的传播速度快得多，在时间、条件、比较等状语从句中，用现在时表示将来的动作，从句的谓语动词用一般现在时。如：Iwille-mailyouassoonasIgettoBeijing.我一到北京就给你发邮件。Ifyoucomethisafternoon,wewillhaveameeting.如果你今天下午能来，我们就开会。实用标准文案大全【例题精讲】例1.——Whoisthatlady?——She’sMissGreen.She____usmusic,andsheissogood.A.taughtB.teachesC.willteachD.isteaching例2.——IthinkI’lltakeabustothemeeting.——Thebus?Ifyou____,youwillbelate.A.doB.havedoneC.willdo例3.Unlesstheweather____,wewillhavetocancelthepicnic.A.improveB.improvesC.improvedD.willimprove例4.Wedon’tknowifourfriend____.Ifhe____,we’llletyouknow.A.comes;comesB.comes;willcomeC.willcome;comes例5.Ourgeographyteachertoldusthattheearth____thesun.A.wentaroundB.goesaroundC.isgoingaroundD.wasgoingaround【课堂练习】1.Look!Adog____ablindmanacrosstheroad.A.leadsB.leadC.isleadingD.led2.Theyusually____TVintheevening.A.watchB.willwatchC.arewatchingD.watches3.Hehardly____upearly．A.getsB.getC.doesn’tgetD.don’tget4.John____football.A.likesplayingB.likesplayC.likeplay5.Frankusually____intouchwithhisprimaryschoolteachersbyemail.A.keepB.keepsC.keptD.willkeep实用标准文案大全知识点二：一般过去时【知识梳理】(1)一般过去时的基本结构和变化1.定义：表示过去某时发生的动作或存在的状态。2.结构：“主语+动词的过去式”3.句型转化：①be动词的过去时的句型如下：A.否定句：主语+be动词的过去式（was,were）+not⋯B.疑问句：be动词的过去式（was,were）+主语⋯？a.Hewasbusyyesterday.(肯定句)他昨天很忙。b.Hewasnotbusyyesterday.(否定句)他昨天不忙。c.Washebusyyesterday?(疑问句)他昨天忙吗？d.Thereweren’tanyboysintheroom.房间里没有男孩儿。e.g.Thereweren’tanyboysintheroom.房间里没有男孩儿。Werethereanyboysintheroom?房间里有男孩儿吗？②行为动...