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一、一般现在时：概念：经常、反复发生的动作或行为及现在的某种状况。时间状语：always,usually,often,sometimes,everyweek(day,year,month…),onceaweek,onSundays,etc.基本结构：①be动词；②行为动词否定形式：①am/is/are+not;②此时态的谓语动词若为行为动词，则在其前加don't,如主语为第三人称单数，则用doesn't，同时还原行为动词。一般疑问句：①把be动词放于句首；②用助动词do提问，如主语为第三人称单数，则用does，同时，还原行为动词。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，即常在动词原形后加-s或-es。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。Itlookslikeacat.它看起来像只猫。(口诀：I用am，you用are，is用于她他它，单数名词用is，复数名词都用are)二、单个人名、地名或称呼作主语；是第三人称单数。如：①HanMeilookslikehermother.韩梅看起来像她的母亲。②BeijingisinChina.北京在中国。③UncleWangoftenmakescakes.王叔叔经常做蛋糕。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：①Ahorseisausefulanimal.马是有用的动物。②Thisbookisyours.这本书是你的。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。如：①Everyoneishere.大家到齐了。②Thereissomethingwrongwiththewatch.这块手表有毛病。五、不可数名词作主语时为第三人称单数。如：①Themilkisintheglass.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。【练习】一、单选1Jenny____inanoffice.Herparents____inahospital.AworkworksBworksworkCworkareworkingDisworkingwork2Oneoftheboys_____ablackhat.AhaveBthereisCthereareDhas3Wewillgoshoppingifit____tomorrow.Adon'trainBdidn'trainCdoesn'trainDisn'train4Hesaidthesun____intheeastand____inthewest.Arose;setBrises;setsCrises,setDrise;sets5WangMei____musicandoften____tomusic.Alike;listenBlikes;listensClike;arelisteningDliking;listen6Jenny____Englisheveryevening.AhasstudyBstudiesCstudyDstudied二、填空1IcantakeLiMingtherewhenhe_____(come)tovisit.2_____yoursister_____(know)English?3Herhome_______________(远离)herschool.4Thepot_____(notlook)likeyoursverymuch.5Where_____you____(have)luncheveryday?6Who_____(想要)togoswimming?7______she_____(do)thehouseworkeveryday?8JennyandDannyusually______(play)gamesintheafternoon.二、一般过去时：概念：过去某个时间里发生的动作或状态；过去习惯性、经常性的动作、行为。时间状语：ago,yesterday,thedaybeforeyesterday,lastweek(year,night,month…),in1989,justnow,attheageof5,oneday,longlongago,onceuponatime,etc.一般过去时的结构（可分三类不同的结构）1.Be动词的一般过去时在没有实义动词的句子中使用be动词，amis的过去式为was;are的过去式为were肯定句式：主语+be(was,were)+其它.否定句式：主语+be(was,were)+not+其它.一般疑问句：Be(was,were)+主语+其它？注：在这种构成中，be动词有人称和数的变化，即要根据主语选用was/were。Be动词分为单数和复数，was是表示单数，were是表示复数。2.实义动词的一般过去时态肯定句要使用动词的过去式，否定句和疑问句要使用助动词do和does的过去式did.肯定句式：主语+动词（过去式）+其它否定句式：主语+didn’t+动词（原形）+其它【didnot=didn’t】一般疑问句：Did+主语+动词（原形）+其它【do,does的过去时均为did】？注：1.did和didn’t是构成一般过去时的助动词，其特点是要在其后跟动词的原形。2.实意动词do的一般过去时Idomyhomeworkeveryday.(用yesterday改写句子)Ididmyhomeworkyesterday.Ididn’tdomyhomeworkyesterday.(否定句)Didyoudoyourhomeworkyesterday？Yes,Idid./No,Ididn’t.(一般疑问句)3.情态动词的一般过去时态含有情态动词的一般过去时与含有Be动词的一般过去时，是十分相似，请注意观察。肯定句式：主语+情态动词+其它否定句式：主语+情态动词+not+其它.一般疑问句：情态动词+主语+其它？注：情态动词的过去式：can→could,may→might,must→must，will-would，should-should。4.特殊疑问句式：特殊疑问词+be过去式+主语+其他？特殊疑问词+情态助动词过去式+主语+动词原形+其他？特殊疑问词+do/does过去式+主语+动词原形+其他？Whatwasyourformername？你以前叫什么名字？WhywashelateforschoollastMonday？上星期一他为什么迟到？Whatcouldshedotwentyyearsago？20年前她能做什么？规则动词的过去式1.一般情况下，在动词原形后面加-ed。look→lookedplay→playedstart→startedvisit→visitedpull-pulled,cook-cooked2.以不发音e结尾的动词，在词尾直接加-d。live→liveduse→usedtaste-tasted3.以“辅音字母+y”结尾的动词，先将y改为i,再加–ed。study→studiedtry→triedfly→flied4.以重读闭音节（即辅音＋元音＋辅音）或r音节结尾，末尾只有一个辅音字母的动词，要先双写这个辅音字母后，再加–ed。stop→stoppedplan→plannedstop-stoppedprefer→preferred5.不规则动词的过去式需特殊记忆。如：am(is)-was,are-were（是）,become_became(成为)go-went（走）基本用法①表示过去某个特定时间发生的动作或存在的状态。Hesuddenlyfellilllastnight.他昨晚突然病倒了。②表示过去的习惯性或经常发生的动作Shewenttothecinemaonceamonthwhenshewasatalkedbytheriverside.我在乡下时经常在河边散步。③叙述过去连续发生的一件件事Shegotupearly,fetchedwater,cleanedtheroomandthenwentoutforawalk.她早早起床，提水，打扫房间然后出去散步。【练习】一、请用正确动词形式填空1.He(live)inWuxitwoyearsago.2.Thecat(eat)abirdlastnight.3.We(have)apartylastHalloween.4.Nancy(pick)uporangesonthefarmlastweek.5.I(make)amodelshipwithMikeyesterday.6.They(play)chessintheclassroomlastPElesson.7.Mymother(cook)anicefoodlastSpringFestival.8.Thegirls(dance)atthepartylastnight.9.I(watch)acartoononSaturdaylastweek.10.______you_______(visit)yourrelativeslastSpringFestival?11.______he_______(fly)akiteonSunday?Yes,he______.12.GaoShan_______(put)upthepicturelastnight.13.I____________(sweep)theflooryesterday.14.What______she_______(find)inthegardenlastmorning?15.Herfather_______(read)anewspaperlastnight.16.Mike_________________(notgo)tobeduntil12o’clocklastnight.17.Ilistenedbut___________(hear)nothing.18.Howmanypeople________(be)thereinyourclasslastterm?二、按要求变换句型。1.Frankreadaninterestingbookabouthistory.（一般疑问句）_______Frank_______aninterestingbookabouthistory?2.Hecleanedhisroomjustnow..（划线提问）What________he_______?3.ThomasspentRMB10onthisbook.（否定句）Thomas______________RMB10onthisbook.4.Myfamilywenttothebeachlastweek.（划线提问）________________________family_______lastweek?1.I_________(have)anexcitingpartylastweekend.2._________she_________(practice)herguitaryesterday?No,she_________.3.What________Tom________(do)onSaturdayevening?He________(watch)TVand__________(read)aninterestingbook.4.Theyall_________(go)tothemountainsyesterdaymorning.5.She_________(notvisit)herauntlastweekend.She________(stay)athomeand_________(do)somecleaning.6.When________you_______