九年级英语unit12period7VIP专享VIP免费

Unit12Lifeisfulloftheunexpected.主语＋hadnot／hadn’t+p.p.+其它.Had+主语＋p.p.+其它?主语＋had+p.p.+其它.强调过去某一个动作发生在另一个动作前常常用过去完成时态。过去完成时的结构过去完成时的用法过去完成时的否定形式过去完成时的疑问形式1.一般过去时表示在过去某时发生的动作或存在的状态。例：WestartedtolearnEnglish5yearsago.我们五年前开始学英语。对比对比一般过去时、现在完成时与过去完成时5yearsagonow2.现在完成时表示的动作发生在过去，但侧重对现在产生的结果或造成的影响，与现在有关。其结构为：“助动词have（has）+过去分词”。例：WehavelearnedEnglishfor5years.我们已经学了五年的英语了。5yearsagohavelearnednow3.过去完成时表示在过去某个时间或动作之前已经发生或完成了的动作或存在的状态，即“过去的过去（past-in-the-past）”。例：WehadlearnedEnglish4yearbylastyear.到去年为止，我们已经学英语四年了。pastinthepastpastnow过去完成时的判断依据:由“过去的过去”来判定。过去完成时表示“过去的过去”，先发生的动作用过去完成时，后发生的动作用一般过去时。例：WhenIgottothestation,thetrainhadalreadyleft.当我到车站时，火车已经离开了。Afterhehadfinishedhishomework,hewenttobed.完成作业后他就去睡觉了。firstfirst1.We____________(learn)2000Englishwordssincewecametothisschool.Theteachersaidwe_____________(learn)2000Englishwordssincethen.We____________(learn)500wordslastterm.We______________(learn)2000wordsbytheendoflastterm.havelearnedhavelearnedlearnedhadlearned2.He_________(have)ameetingnextweek.He_________(have)ameetingtwoweeksago.Hetoldmehe__________(have)ameetingtwoweeksbefore.3.________you________(be)totheGreatWall?Theteacheraskedifyou____________(be)totheGreatWall?hadhadhadHavebeenhadbeenwillhave1Completethepassagewiththecorrectformsofthewordsinthebox.cancelmisswestaccidentladyofficermarketunexpectedLastSaturdayaftermyFrenchcourse,Idecidedtodrivetothe________tobuyameatpiefordinner.AsIwasheading________,Isawahugetruckinthemiddleoftheroad.Therehadbeena(n)________marketwestaccidentandthereweremanypolice_________around.Iturnedaroundanddecidedtogotoanearbymall.However,I________theroadthatledtothemall.ThenIsawarestaurantthatsoldchickennoodles.Iwentinsideandthe________,whowastheowner,servedmethemostdeliciousbowlofchickennoodlesever.Ihadmadea(n)_________discovery!I’msogladthatI_________myplantogotothemarket.officersmissedladyunexpectedcancelled2Thinkofwaystofinishtheanswers.1.A:Whydidn’tyouhandinyoursciencehomework?B:BeforeIcouldstartworkingonit,____________________________________________________________________________2.A:Whydidn’tyoutakeashowerthismorning?B:BythetimeIgotup,____________________________________________________________________________mybabybrotherstartedcryingandIhadtolookafterhimasmymotherwassick.mysisterhadalreadygoneintothebathroomandthebuswashonkingformetohurryup.3.A:Whydidyouhavetowalkhomefromschool?B:BythetimeIleftmyschool,_________________________________________theschoolbushadalreadyleft.二、根据汉语提示写出下面句中所缺的单词。1.Whata______(傻瓜)Iwastobelievehewasagoodman.2.Fewpeoplerealizedtheimportanceofthe_________(发现).3.Heisnotan_______(军官),butacommonsoldier.4.Heistheonlypersonthatis___________(可相信的).5.Whenspringcomes,thesnowandicewill__________(消失).fooldiscoveryofficerbelievabledisappear