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1、英语必修2unit5语法4.Haveyoueverdreamedofplayinginfrontofthousandsofpeopleataconcert,atwhicheveryoneisclappingandappreciatingyourmusic?5.Theymaystartasagroupofhihg-schoolstudents,forwhompractisingtheirmusicinsomeone'shouseisthefirststeptofame.“介词＋关系代词”引导的定语从句1.引导定语从句的类型eg
2、.Thevalleyinwhichthetownliesisverybeautiful.Thisisthehotel,inwhichtheystayed.限制性定语从句非限制性定语从句2.关系代词的确定关系代词+which关系代词+whomeg.Doyouknowthegirltowhomourteacheristalking?theschoolinwhichmyfriendoncestudiedisveryfamous.当先行词是物时当先行词是人时3.介词的选取四原则：“一先、二动、三形容、四意义”（1）根据定语从
3、句中先行词（往往为表时间、地点、原因、方式等的词）与介词所形成的习惯搭配；eg.Doyoustillrememberthedayonwhichwemetwemetforthefirsttime?Thereisashopinwhichwecangetsomefreefood.Doyoustillrembemerthedaysduringwhichweworkedtogether?(ontheday)(intheshop)(duringthedays)（2）根据定语从句中谓语动词与介词形成的固定搭配；eg.Isthist
4、hecarforwhichyoupaidahighprice?ThisistheipadonwhichIspent3,000yuan.Inthedarkstreet,therewas'tasinglepersontowhomshecouldturnforhelp.(payfor为。。。付款)(spendmoneyonsth.在。。。上花费金钱）(turntosb.forhelp向某人寻求帮助)(3)根据与定语从句中的形容词与介词所形成的固定搭配；eg.Theonlyonethingofwhichhewasnotsure
5、isthegirl'strueidentity.Hewasgenerouswithhistime,forwhichIwasgrateful.besureof对。。。是确定/确信的begratefulforsth.对。。。心存感激(4)根据句子的意思来确定介词。eg.Thisismycar,withoutwhichIcannotgetthere.Thisisthepilotwithwhommybrotherhasworkedfortenyears.Theyareagroupofpeopleforwhomprotecti
6、ngwildlifeiseverything.注意：不是所有与动词形成固定搭配的介词都可提至关系代词前面,常见的此类短语有：lookfor,listento,lookafter,takecareof,lookat,takepartin,makeuseof,lookforwardto等；eg.这就是我正在寻找的手表。Thisisthewatchwhich/thatIamlookingfor.Thisisthewatchforwhich/thatIamlooking.√×2.（“介词+关系代词”前面或后面可有some,any,
7、none,both,all,neither,most,each,few,three,several等代词或数词，此时介词常用of.eg.Heloveshisparentsdeeply,bothofwhomareverykindtohim.Therearefortystudentsinourclass,mostofwhomarefromHenanprovince.（3）way做先行词，后接定语从句时，若从句引导词在定从中做状语，则引导词用inwhich/that/不填；当引导词在从句中做宾语、主语等时，引导词用which/
8、that.eg.thewayhetreatshischildrenisverygood.thewayyoutoldmeyesterdaydosn'twork.that/inwhich/不填which/thatsummary:基本构成“介词+关系代词”介词选择四原则引导的定从注意事项：介
