一般现在时态与一般过去时态的区别

芈一般现在时态与一般过去时态的区别1.2. 袄一般现在时的概念：蚂1.(1)表示经常性或习惯性的动作或存在的状态。罿如：Ioftengotoschoolbybike.莈(2)表示客观事实或普遍真理。芅如：Theearthgoesaroundthesun.莄(3)在时间、条件等状语从句中，用现在时表示将来。羂如：Ifitraintomorrow,wewontgotothepark.蒈WhenIgrowup,IwillgotoAmerica.蚆(4)在某些以here,there开头的句子中用一般现在时表示正在发生的动作。螂如：Theregoesthebell.铃响了。2.3. 螁与一般现在时连用的时间状语蒇(1)表示频度的副词always,often,usually,sometimes等。肇（2）onSundays,onMondayafternoon,everyday,inthemorning,everyyear等时间状语。薄（3）onceayear,twiceamonth,threetimesaweek之类的表示频率的词组。4.5. 蒀一般现在时的构成薇其主要用“系动词be”和“实义动词”表示，如果主语是第三人称单数则将动词原形变为第三人称单数形式。2.3. 芄一般过去时的概念：1.2. 羂（1）表示过去某时间发生的动作或存在的状态。艿如：Igotupatsixthismorning.蚇Wevisitedthefactorylastweek.蚅(2)表示过去的习惯或经常发生的动作。（过去常常做某事也可用usedtodosth来表示）蚄如：WhenIwasinthecountryside,Ioftenswamintheriver.3.4. 节与一般过去时连用的时间状语螇lastnight,lastweek,yesterday,yesterdaymorning/afternoon/evening,someyearsago,in1995,inthepast,theotherday,atthattime,justnow,aftertwodays等。5.6. 肆一般过去时的构成膂类别肁构成方法袇例词蒇读音规则袃一般情况袀加-ed羇look-lookedplay-played袈start-started莁清辅音后面读作/t/；浊辅音和元音后面读作/d/；/t/和/d/后面读作/id/。袂以e结尾的动词肇加-d羄live-lived肃hope-hoped蚁use-used肇以重读闭音节结尾的动词，末尾只有一个辅音字母莅双写这个辅音字母，再加-ed螅Stop-stopped莀Plan-planned膆以辅音字母加y结尾的动词螆变y为i，再加-ed膃study-studied腿carry-carried芆worry-worried膇其主要用动词的过去式表示，并且过去式无人称和数的变化，即它不随主语变化。动词的过去式分为有规则变化和无规则变化两种情况。羅无规则动词的过去式：膂原形莆过去式芄原形莃过去式羁原形蒆过去式蚅am/is肅was螀are螀were肆bring薂brought螃buy袀bought蒆come芄came薁cut羀cut袇bo/does螂did莀draw肀drew肄drink蒄drankdrivedroveeatatefeedfedfeelfeltFightfoughtfindfoundflyflewforgetforgotgetgotgowent三 习题训练：1. Hedoesntfeelwelland_(noteat)anyfoodthismoring.2. -When_you_(write)thispoem?-I_(write)itlastyear.3. -What_Bill_(do)onSaturdayafternoon?-He_(play)soccerand_(read)aninterestingbook.4. He_(notsee)mecomein,forhe_(read)somethingwithgreatinterest.5. Who_(dance)thebestinyourclass?6. Myfriend,Lucy,_(study)forthemathtestand_(practice)Englishlastnight.7. Mr.Zhang_(teach)usEnglishthreeyearsago.8. -Guesswhat!IsawSallyinLondon.-Really?I_(think)shewasinNew York.9. Ioften_(ride)abiketoschoolinthepast,butnowI_(take)abustoschool.10. It_(start)torainwhenwegottothecinema.4 单选。1. -IvejustgotanewMP4.-Where_you_it?-Inashoppingmallnearhere.A. have,boughtB.did,buyC.are,boughtD.were,getting2. -Hello,mum.AreyoustillonLushan Mountain?-Oh,no.Wearebackhome.We_areallygoodjourney.A. haveB.hadC.arehavingD.willhave3. Ifyou_foryourfavoriteTVprograms,youwillfeelsleepy.A.stayupB.setupC.stayatD.pickup4. -Youlooksotired.Whathappened?-I_latewritinganarticleforanewspaperyesterdayevening.A. stayedupB.wokeupC.gotupD.pickedup5. -Becareful!Acarmayhityou.-Thankyou!I_I_soclosetotheroad.A. didntknow,amstandingB.dontknow,amstandingC.didntknow,wasstandingD.didntknow,wouldstand6. Thefactory_itswasteintotheriver,butnowitdealswiththewasteinanewway.A.usedtodumpB.isusedtodumpC.usedtodumpingD.isusedtodumpingdump(倾倒）7. Johnisalways_others.