过去完成时详解和练习

GrammarinUnit7一、过去完成时二、过去完成时与现在完成时的比较三、过去完成时与一般过去时的比较一、过去完成时1.意义：表示一个动作在过去某一个动作或过去某一时间之前已经发生或完成。2.形式：1）肯定式：2）否定式：3）疑问式：had+Vedhadnot+VedHad+主语+Ved给出下列动词过去完成时的肯定式和否定式(注意Ved的变化规则)1.apologize2.promise3.blame4.manage5.forgivehadapologized;hadnotapologizedhadpromised;hadnotpromisedhadmanaged;hadnotmanagedhadblamed;hadnotblamedhadforgiven;hadnotforgiven6.satisfy7.camp8.hunt9.attract10.damage11.injure12.rushhadsatisfied;hadnotsatisfiedhadcamped;hadnotcampedhadhunted;hadnothuntedhadattracted;hadnotattractedhaddamaged;hadnotdamagedhadinjured;hadnotdamagedhadrushed;hadnotrushed过去完成时的例句：1.HehadtoldthemthestoryofthebrokenbikeonMondaywhenhewas20minuteslaterforclass.星期一他迟到20分钟就借故说是自行车坏了。2.Hehadnearlyforgottenabouttheshoeproblem.3.Wehadnotfinisheditwhenhecameback.4.Hadyoufinishedtheworkwhenhecameback?他差不多把鞋的事忘了。他回来时我们还没有完成。他回来时你们工作完成了吗？二、过去完成时与现在完成时的比较过去完成时与现在完成时的时间出发点不同。过去完成时以过去某个时间为基点，而现在完成时以现在作为时间的基点。因此，过去完成时是现在完成时的过去时。Tomisnothungry.Hehasjusthadbreakfast.Tomwasnothungry,Hehadjusthadbreakfast.例句比较：(现在完成时)(过去完成时)三、过去完成时与一般过去时的比较一般过去时表示在过去某个时间发生的动作或存在的状态；而过去完成时表示在过去某一时间之前完成的动作。1.Wegottothestationat8:00,butthetrainhadleft.我们八点到达车站，但火车已开走了。2.Wegottothestationat8:00,butthetrainleftat7:30.我们八点到达车站，但火车七点半就开走了。3.WhenIarrivedhome,Myparentshadhaddinner.我到家时，我父母已吃过饭了。4.WhenIarrivedhome,wehaddinnertogether.我一到家，我们就一起吃饭。Exercises:1.Choosethecorrecttense1).Theofficewasemptywhenthepolicearrived.Thethieveshadleft/left.2).Wehadjuststartedlunchwhenthetelephonehadrung/rang.hadleftrang.3).Andrewwaslateforschoolyesterday.Whenhegottotheclassroom,thelessonshadstarted/started.4).Theywaiteduntileveryonewasreadyandthentheyhadstarted/startedthemeeting.hadstartedstarted5).Ididn’tknowthewaytoJohn’shousebecauseIhadn’tbeen/wasn’ttherebefore.6).“WasTomtherewhenyouarrived?”“Yes,buthehadgone/wenthomesoonafterwards.”hadn’tbeenwent2、Fillintheblankswithcorrecttenses.1）.FilmmakerDavidMorris_________(be)interestedinthecinemasincehe______(be)asmallchild.2）.Thestudents___________(catch)thethiefbeforethepolicemencame.hasbeenwashadcaught3).Janelovestravelling,Herwork________(take)herallovertheworld.She________(be)toAfrica,India,Australia,ChinaandSouthAmerica.4).ThehousewasveryquietwhenIgothome.Everybody________(go)tobed.hastakenhasbeenhasgone5.They____________(buy)ahouseontheislandin1987andthey__________(live)theresincethen.6.Andrew__________(do)thetestbefore,sohefounditveryeasy.7.Therewasacarbythesideoftheroad,It_________(break)down.Sowe________(stop)toseeifwecouldhelp.boughthavelivedhaddonehadbrokenstopped3.Completethefollowingsentences:1).Ididn’tgotothefilmlastweek,because__________________________(我已经看过两次了)2).Howmanywords_________________(已经学了)bytheendoflastterm?4).Shehadstartedtoplaythepiano_____________________(在她五岁时)Ihadalreadyseenittwicehadyoulearnedattheageoffive4).She______________________(给我们看裙子)shehadjustbought.5).HehadlearnedEnglish________________(三年)beforehecamehere.forthreeyearsshowedustheskirtHomework:1.Gooverthegrammarinthisunit.2.FinishofftheleftexercisesinthisUnit.