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1、动词的时态形间过去过去将来现在将来一般进行完成完成进行Thetensesoftheverbat8:00yesterday,whenthebellrang,between5:00and8:00lastSunday关健字2.Theywerehavingfunthesedays.1.WhatwashedoingwhentheUFOarrived?结构定义进行关健字2.AttheageoffiveIswamwell.1.LastyearmyEnglishclasswasdifficult.结构定义一般过去时间形态S+was/wereS+V过去时S+wasn’t/weren’tWas/Were
2、+S…?ago,last,in1992,thismorning,yesterday,once,oneday,whenIwasyoung,attheageof具体时间或地点(atthecinema)表示过去经常性的或一次性的状态或动作。（强调发生的时间或地点）表示过去某时刻或某阶段正在发生的动作。waswereS+doingS+wasn’t/weren’tdoingWas/Were+S+doing…?S+didn’t+V原Didn’t+S+V原完成定义结构关健字表示过去某时间或某动作以前发生的动作。bythetimeIcameback,bytheendoflastterm,whenIg
3、ottothestation,beforehewenttobedIrealizedIhadleftmypurseathomewhenIreachedthecount.S+had+V过去分词S+hadn’t+V过去分词Had+S+V过去分词beV--Yourfatherisquiteagoodswimmer.--Sure,heis.Heoften________whenhewasyoung.A.swimsB.swamC.swum2.Hewasstillworkingonhisprojectwhileotherpeople______arest.A.werehavingB.arehavi
4、ngC.willhaveD.Have3.Whenmyfathergothome,I______ane-mailtomyfriend. A.amsendingB.sentC.wassending4.Bytheendoflastyear,we________morethan2,000words.A.learnedB.havelearnedC.hadlearned5.--When_______yourmother_______youthatbluedress,Mary?--Sorry,Ireallycan’tremember.A.does,buyB.hasboughtC.hadbought
5、D.didbuy现在一般定义结构关健字进行定义结构关健字完成定义结构关健字S+am/is/areS+V原/三单表示现在经常发生的动作或存在的事实或状态。1.Iamingoodhealthnow.2.Hegetsupat6inthemorning.often,usually,sometimes,always,never,seldom,every,attimesonceaweek,inthemorning,now,自然现象，性格，节假日，谚语amIsareS+doing表示说话的此刻或某阶段正在发生的动作。1.WearesurfingtheInternetatthemoment.2.Ia
6、mreadingwhileheissendingane-mail.now,look,listen.thesedays,atthemoment,allthetime,while,where’she?It’s8o’clock.祈使句+V过去分词S+havehasalready,yet,just,(never)before,ever,sofar,twotimessince,for,inthelast/pastfewyears，1.PrisonBreakisthebestAmericanTVplaythatIhavewatchedtheseyears.S+amnot/isn’t/aren’t
7、Am/Is/Are+S…?S+don’t/doesn’t+V原Do/Does+S+V原…?S+amnot/isn’t/aren’t+doingAm/Is/Are+S+doing…?1。表示发生在过去到现在完成并影响现在的动作2。表示发生在过去并延续到现在可能延续下去的动作。2.Greatplaceshavetakenplaceinmyhometowninthepastfewyears.S+haven’t/hasn’t+V过去分词Have/has+S+V过去
