初步掌握非谓语的基本结构及用法知识精讲一.本周教学内容初步掌握非谓语的基本结构及用法二.教学重难点掌握非谓语所能够充当的句子成分(一)非谓语的分类以及各自在句子中所能充当的成分。非谓语分为不定式,动名词,现在分词和过去分词。(动名词和现在分词形式相同)以下表格表示的是它们各自所能充当的成分:成分类别主语宾语表语定语状语补语不定式√√√√√√动名词√√√√现在分词√√√√过去分词√√√√现在分词:(doing,havingdone,beingdone,havingbeendone)1.现在分词在句子中做表语。(即进行时态)如:Heisplayingfootballontheplayground.IwasstudyingEnglishfrom1991to1999.2.现在分词在句子中做定语。如:Doyouknowthemanspeakingtomyteacher?IsawasleepingcatwhenIenteredtheroom.3.现在分词在句子中做状语。现在分词在句子中做状语表示在主句动作发生的同时,主语又发生的事情。如:Theboysattherethinkingabouthisplan.Themanlookedathisbrokencar,wonderinghowmuchitwillcosttogetitrepaired.Havingfinishedhisbreakfast,Tomwenttoschool.Beinghighlypraised,hethoughtofanothergreatadventure.注意:非谓语做状语的时候,其逻辑主语一定是主句的主语,如:Havingexaminedhim,thedoctortoldhimOK.Havingbeenexamined,hewastoldOK.特例:不需与主句主语一致的现在分词状语有:judgingfrom/by,generallyspeaking,considering,talkingof,supposing,beginning等)4.在句子中做宾补。(以现在分词做宾补的动词主要有:mind,suggest,imagine,see,hear,feel,smell,taste,keep等)如:Canyouimaginehimwaitinghereforanother2hours?Hesuggestedusgoinghomeandcomingheretomorrow.Shesmeltsomethingburning.Shejustkeptherstudentscleaningtheclassroomeveryday.Weweresuggestedgoinghome.Hewasseenplayingtheviolinwonderfully.过去分词:1.过去分词在句子中做表语。(即被动语态)如:Hisjobhasbeenfinished.Sheishighlypraised.2.过去分词在句子中做定语。如:DoyouknowthedifferencebetweenwrittenandspokenEnglish?Thehousewithabrokenwindowishis.Thewindowbrokenbyhimisbeingrepairednow.3.过去分词在句子中做宾补。(接过去分词做宾补的动词主要有:get,make,have,see,hear等)Hehashad/made/gothishaircut.Shesawherhusbandkilledinthewar.Hishairwasmadecut.ShewasheardawardedtheOscaraward.4.过去分词做状语。注意非谓语做状语的时候,主语与非谓语的一致问题。Permitted,hewouldhavesucceededindoingthat.讨论:此句为什么不用havingbeenpermitted?本句的句意是“如果当时他被允许(做这件事)的话,他本会成功的”过去分词做状语可以表示条件,与if+done可以互换。而现在分词中的完成被动式不可以,它只可以表示完成被动,而且只有非谓语与谓语是很鲜明的先后关系时才可以用(平时很少用到)如:Havingbeenfinished,hishomeworkwassenttohisteachertobecorrected.如果非谓语与谓语是一般的先后关系的话,直接用过去分词即可如:Guidedbytheguide,hefoundtheplaceeasily.Scoldedbytheteacher,hefeltverydepressed.英语中用主动表示被动的情况1.在不定式做定语时,如果不定式的真正主语(未必是本句的主语)出现了的话,要用主动语态代替被动语态。如:Ihavesomehomeworktodo.Ihavesomehomeworkforyoutodo.Ihavesomehomeworktobedone.Thereissomehomeworktodo/tobedone.Thereissomehomeworkforustodo.Thebuildingtobebuiltisournewlibrary.Thebuildingforthemtobuildisournewlibrary.2.出现在表示主语性质的形容词后面的不定式,要用主动语态代替被动语态。如:Thisbookiseasytoread.ThisTVischeaptobuy.3.谓语动词在表示主语性质的时候,要用主动语态代替被动语态。如:Thiskindofbookssellwell.Thispenwriteswell.Don’tdroptheinkoveryourclothes.Itdoesn’twashout.4.一些词组中的动名词的用法。(beworthdoing,need/want/require/deserve)如:Thecarneeds/wants/requiresrepairing.Thisbookdeserves/isworthreading.【典...