一般現(xiàn)在時現(xiàn)在進(jìn)行時一般過去時講解

一般過去時態(tài)1基本用法.一般過去時通常用來表示過去發(fā)生的動作或存在的狀況;如：---Wherewereyoulastweek上周你在哪兒---Iwasatmyuncle'shomeintheCoUntrySide上周我在鄉(xiāng)下的叔叔家;.有些情況,發(fā)生時間沒有明確標(biāo)明，但實(shí)際上是過去發(fā)生的,應(yīng)用過去時態(tài)；另外,在談到已故去的人時,也多用過去時;如：Heboughtacat,andnowtheyaregoodfriends.他買了一只貓,現(xiàn)在他們是好朋友了；LUXUnwasagreatWriter.魯迅是一位偉大的作家；2時間狀語與一般過去時連用的時間狀語有：yesterday昨天，lastnight昨晚，lastweek上個星期，fourdaysago四天前,in2002在2002年,justnow剛才,thedaybeforeyesterday前天等;如：Hewenttotheparkyesterday.她昨天去了花園；Iwastenyearsoldin2001.我2001年才10歲;3動詞的過去式在一般過去時態(tài)中會涉及到動詞的過去式,大家要掌握規(guī)則動詞的過去式的變化規(guī)則;其基本的變化規(guī)則如下：①一般情況下,在動詞原形后直接ed;如：play-played,look-looked;②以e結(jié)尾的動詞在其后加d;如：like-liked,use-used;③與輔音字母加y結(jié)尾的動詞,把y變成i再加ed;如:carry-carried,marry-married;④以重讀閉音節(jié)或r音節(jié)結(jié)尾,末尾只有一個輔音字母時,雙寫這個輔音字母,再加ed;如：stop-stopped,prefer-preferred;當(dāng)然,剛才提到的都是規(guī)則動詞的構(gòu)成,我們還學(xué)過許多不規(guī)則動詞的過去式形式；如：am-was,are-were,put-put,see-saw,eat般九e等在可^時^態(tài)在課下牢牢記住喲一、定義與講解般現(xiàn)在時：表示經(jīng)常性的事情,經(jīng)常性的動作或一般性事實(shí);二、一般現(xiàn)在時的用法表示經(jīng)常性或習(xí)慣性的動作或存在的狀態(tài)；表示客觀事實(shí)或普遍真理；在時間、條件等狀語從句中,用現(xiàn)在時表示將來；在某些以here,there開頭的句子中,用一般現(xiàn)在時表示正在發(fā)生的動作三、時間狀語:often經(jīng)常,usually通常,always總是,every每個,sometimes有時,at…在幾點(diǎn)鐘只有在第三人稱單數(shù)用動詞的“三單變化”，其他用動詞的原形;動詞三單變化規(guī)則：1.多數(shù)在動詞后+sPlay—playslike—likes1直接在動詞詞尾加-s.ask---askswork---worksget---getsstay---StayS2以字母s,x,ch,Sh或。結(jié)尾的動詞,在詞尾直接加-es.watch---watcheswish---wishesfix---fixesdo---doesgo---goespass---passes3以“輔音字母加-y”結(jié)尾的動詞,要先變y為i再加-es.try---triesStudy---studiescry---criesfly---flies情況構(gòu)成方法讀音例詞一般情況加-s清輔音后讀/s/濁輔音和元音后讀swim-swims;help-helps;like-likesIZl以輔音字母+o結(jié)尾的詞加-es讀/z/goes,does以s,sh,ch,x等結(jié)尾的詞加-es讀/iz/WatcheS,washes以輔音字母+y結(jié)尾的詞變y為i再加es讀/z/study-studies不規(guī)則變化have和be動詞變have為has變be為am,is,arehave-hasbe-am,is,are2.不規(guī)則變化:be——isarehave——has四、一般現(xiàn)在時的結(jié)構(gòu)般現(xiàn)在時的結(jié)構(gòu)-?L-Lιr肯定式疑問式否定式否定疑問式Iwork.DoyouworkIdon'twork.Don'tyouworkYouwork.DoyouworkYoudon'twork.Don'tyouworkWework.DoyouworkWedon'twork.Don'tyouworkTheywork.DotheyworkTheydon'twork.Don'ttheyworkHeShe,Itdoesn't Doesn'thesheitHeShe,Itworks.Doesheshe,itworkwork. work 1 現(xiàn)在進(jìn)行時態(tài)、概念、現(xiàn)在進(jìn)行時表說話時正在進(jìn)行或發(fā)生的動作,也可表示當(dāng)前一段時間內(nèi)的活動或現(xiàn)階段正在進(jìn)行的動作．結(jié)構(gòu)：助動詞beam/is/are+現(xiàn)在分詞.二、現(xiàn)在分詞的構(gòu)成：.大多數(shù)動詞后可在動詞后直接加-ing.Eg:carry-carrying,catch-catching,drink-drinking,enjoy-enjoyinghurry-hurrying,do-doing,read-reading,think-thinking.如果動詞以-e結(jié)尾,則去掉-e,再加-ing,如Come-Coming,have-having,make-making,ride-riding,write-writing,take-taking,use-using..如果動詞只有一個元音字母,而其后跟有一個輔音字母時,將此輔音字母雙寫,再加-ing如：hit-hitting,let-letting,put-putting,run-running,sit-sitting．.如果動詞有兩個音節(jié),且重音在第二個音節(jié)上,則末尾的輔音字母須雙寫,再加-ing,如：for'get-forgetting,pre'fer-preferring,up'Set-UPSetting.試比較‘benefit/benfiting,’differ/differing,'Profit/profiting,這些詞的重音在第一個音節(jié)上,因此其末尾的輔音字母不雙寫..以-ic結(jié)尾的動詞,應(yīng)先把-ic變?yōu)?ick,再力口-ing,eg:panic/PaniCking,picnic/PiCniCking,但lie/lying,die/dying,tie/tying是特殊變化要記住.三、句型結(jié)構(gòu)：1.現(xiàn)在進(jìn)行時的肯定形式、否定形式、疑問形式及其回答,所有變化都體現(xiàn)在助動詞beis/am/are上.1現(xiàn)在進(jìn)行時的肯定形式：主語+beam/is/are+doing+其他成分Iamsinging.Theyarewriting.2現(xiàn)在進(jìn)行時的否定形式:主語+beam/is/are+not+doing+其他成分Iamnotsinging.Theyaren'twriting.3一般疑問句及回答：beam/is/are+主語+doing+其他成分AmIsingingYes,yoUare./No,yoUaren't.AretheywritingYes,theyare./No,theyaren't.4特殊疑問句及回答:特殊疑問詞+beam/is/are+主語+doing+其他成分WhatareyoudoingWeareplaying要求就提問內(nèi)容具體回答.3.說明：不是所有動詞都能用現(xiàn)在進(jìn)行時態(tài)的,如：see、like、want、know等動詞往往都不用進(jìn)行時態(tài)．四．用法：.表示現(xiàn)在指說話人說話時正在發(fā)生的事情．往往與now,atthemoment,just等副詞連用,以示強(qiáng)調(diào).WearewaitingforyouWhatareyoudoingSomeone’sknockingatthedoor．.正在進(jìn)行著的動作可視為未完成的動作;He’Stalkingtohisfriendsintheclassroom.可用still一詞強(qiáng)調(diào)動作的持續(xù)性He’sstilltalkingtohisfriendsintheclassroom..表示長期的或重復(fù)性的動作,說話時動作未必正在進(jìn)行．Mr.Blackiswritinganotherarticle. Don’ttakethatbookaway.Yourfather’susingit.SheislearningpianounderMr.Black..現(xiàn)在進(jìn)行時可用來表示不會長期發(fā)生的動作或情況,或被認(rèn)為在短期內(nèi)正在進(jìn)行的動作或存在的情況：What’syourbrotherdoingthesedaysHe’sstudyingEnglishatOxfordUniversity..現(xiàn)在進(jìn)行時也可以用來表示當(dāng)前的動向：Peoplearebecomingmoreandmorebeautifulthesedays..表示漸變的動詞有：become,turn,get,grow,run,go,begin等.Theleavesareturningbrow. It’sgettingcolderandcolder..與always,constantly,forever等詞連用,表反復(fù)發(fā)生的動作或持續(xù)存在的狀態(tài),往往帶有說話人的主觀色彩．Youarealwayschangingyourmind..現(xiàn)在進(jìn)行時以及begoingto可以表示為將來安排好的活動和事件We'respendingneXtwinterinChina.用arrive,come,go,leave等動詞的現(xiàn)在進(jìn)行時描寫行程安排,也通常有“將到達(dá)”和“將離去”的意思：He’sarrivingtomorrowmorning.9.當(dāng)現(xiàn)在進(jìn)行時表示某事發(fā)生的次數(shù)過多時,則有時含有抱怨,討厭,贊揚(yáng)等的意思：Heisalwayssingingatnight,andwecan’tfallasleeplateatnight.一、寫出下列動詞的過去式：二、2.enjoy5.have三、am8.want9.talk四、12.take13.do14.get15.catch五、二、用所給動詞正確形式填空；六、1.Mymotherbuyalotofpostcardsyesterday.七、2.Thetwinsbethirteenyearsoldtwoyearsago.As3.IgetUPathalfpastsixthismorning.九、4.Jimhelpanoldmancarryhisbagjustnow.十、5.TherebeaKingmanyyearsago.十—、6.Didyouhaveatestyesterday7.Icometoschoolatsevenyesterday.8.Oncehebeashopassistant.9.Thebatlikesleepinginthedayandflyoutforfoodatnight.doesMr.Linlive---HeliveintheUSA.11.Motheralwaysdosomewashingaftermeals.twinswearapairofglasseseveryday.13.Aplanealwaysflyhighinthesky.usuallygetupearlyinthemorning.15.Thetwowritersvisiteachotheronceayear.playfootballeveryday.三、選擇填空;MyparentswerehavingsupperwhenIbackhome.A.ComeB.CameC.comingD.comesMysistertheYouthLeaguelastyear.A.joinB.joinsC.joinedD.joiningFatherhiscoatandwentout.A.putonB.putsonC.puttedonD.putedonTheteachermeaquestionjustnow.A.askB.askedC.askingD.asksThisismyninthbirthdayandIeightyearsoldlastyear.A.wasB.wereC.isD.areDidyoualettertomelastmonthA.writeB.writesC.writingD.wroteMotherastoryaboutahun