青少版新概念3B知识点总结.ppt

新概念英语3B知识点总结,ask&tell,ask/tellsomebodytodosomethingCanyouask/tellhimtoleavethedooropen?ask/tellsomebodynottodosomethingMomasked/toldmenottowatchtheTV,间接引语,I/he/she/they+think(s)/hope(s)/say(s)+that+间接引语(主句时态一般和引语时态相同）Paulsaysthathehasneverseensomanybeautifulwomeninhislife!Karentoldmethatshelostherpurse.,If&Whether,If或whether引导的从句做主句谓语动词后的宾语成分HaveyouaskedmomwhetherifIcanstartmyEnglishlesson?Iwanttoknowhehasreadthenewspaper?wondersheisenjoyingherjob?mustfindout+ifwhethertheywillgototheUS?willaskhecanspeakFrench?amnotsureWilliamisgoingtoworksoon?,Usedtodosomething,Usedtodosomething表示过去常常做某事Iusedtogoouttoplay.Didyouusetogoouttoplay?Ididnotusetogoouttoplay.,过去完成时态,过去完成时态表示过去某一时间或动作之前发生的动作had+动词的过去分词Paulhadphonedafriendbeforehecookedthemeal.Kenhadsoldhisoldcarbeforeheboughtanewone.,情态动词must&can,Hecantbeill.Hemustbetired.Hecanthavebeenill.Hemusthavebeentired.,时间状语从句,Clairelostherpursewhileshewasshopping.ThelightswentoutwhenKarenwascooking.Karenfelldownjustasshewasrunningtothebus.,疑问代词+不定式,Idontknowwheretobegin.whotoask.howtodoit.whentostart.whattodo.,定语从句,1.定语从句的定义：用作定语的从句叫定语从句。2.先行词：被定语从句所修饰的名词或代词。3.定语从句的位置：紧跟先行词(名词或代词)之后。4.引导词：引导定语从句的词(包括关系代词和关系副词)。1.who/that指人是主格在定语从句中代替先行词，又作定语从句的主语，不能省略。Doyouknowthegentlemanwho/thatissittingthere?2.whom/who/that指人是宾格，在定语从句中代替先行词，又作定语从句的宾语(动宾或介宾)。当作动宾(动词后接宾语)时，关系代词可省略。Doyouknowthegentleman(whom/who/that)wemetjustnow?,.which/that指物，指代先行词且在定语从句中作主语或宾语Thehousewhich/thatwasdestroyedintheearthquakeisweak.Thepen(which/that)youfoundyesterdayismine.Thegames(that/which)theyoungmencompetedinweredifficult.Thegamesinwhichtheyoungmencompetedweredifficult.,被动语态,英语被动语态的构成通常是：“Be+done”表达被的意思Themonkeywasgivencoinsandtaughthowtousethem.被动语态可以和各种时态的结合：1)一般现在时主动语态：Everyonelikesher.被动语态：Sheislikedbyeveryone被动语态：was/were+doneTheglasswasbrokenbyTomthismorning3)现在完成时现在完成时由“have(has)+过去分词”构成。否定式在have(has)后加not，疑问式将have(has)提前。Theyhavebuiltanewschoolinourvillage.IhavetaughtEnglishfor20years.被动语态：have/hasbeen+doneAnewschoolhasbeenbuiltinourvillage.7)过去完成时过去完成时由“had+过去分词”构成，主要表示过去某时或某一动作之前已经发生的动作，既表示“过去的过去”，常带有时间状语。Shetoldmetha