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1、关系副词特殊用法：1.关系副词where的从句还可以修饰point，situation，case，activity,scene,stage等地点意味不明显的先行词。关系副词when的从句可以修饰occasion,stay等时间意味不明显的先行词。关系副词why只修饰reason这一个先行词。即学即用：用where、when填空。1)Nowyoucanseewe’vecometothepointachangeisbadlyneeded.2)Todaywe’lldiscusssomecasesbeginnersofEng
2、lishfailtouseitproperly.今天，我们要讨论一些案例，在这些案例中，英语初学者们没有恰当地使用语言。3)Therearefewoccasionsmystudentscan’tunderstandwhatIteachinclass.2.when和where在少数情况下可作介词宾语。e.g.1).Thenaughtyboywashiddenbehindthedoor,fromwherehesawhismotherwalkingintothehouse.（where指代behindthedoor。不能换
3、为which，因为which只能指代thedoor）2).TheywenttoAmericanthreeyearsago，sincewhentheyhavelivedthere.(when指代threeyearsago。不能换为which，因为which只能指代threeyears=andsincethen)一、关系代词whose的用法：1.whose在从句中作定语，表示“先行词的…”，既可指人，也可指物。e.g.Johnismybestfriend,whosefatherisascientist即学即用：Theol
4、dmanlivedinthehousewindowwasbroken.Theboss,companymyfatherworked,wasveryfriendlytotheworkers.2.whose可以转换为ofwhich（物）和ofwhom（人）。e.g.1)Thedictionarywhosecoverismissingismine.=Thedictionarythecoverofwhich/ofwhichthecoverismissingismine.即学即用：TheyalsoinvitedMrWang,wh
5、osecarwasstolenlastSunday.=TheyalsoinvitedMrWang,wasstolenlastSunday.=TheyalsoinvitedMrWang,wasstolenlastSunday.二、which的特殊用法：1.关系代词which引导的非限制性定语从句,有时不是修饰某个先行词,而是指代主句的全部或部分内容。特别注意，非限定定语从句中prep+which时，which只能指代先行词，不可以指代句子。e.g.1)InChina,yousometimesgetahotdampclo
6、thtocleanyourfaceandhands,which,however,isnotthecustominwesterncountries.Helenoftencamelate,whichmadetheclassteacherangry.2.which有时可在定语从句中作定语,含义上相当于指示代词this/that。e.g.1)HestayedinEnglandfor5years,duringwhichtimehelearnedEnglishwell.2)Itmayrainhardtomorrow,inwhic
7、hcaseIwon’tgofishing.3.以介词结尾的动词不定式作定语时,可借关系代词which把介词前置。即学即用：Thosepoorpeoplehadnohousestolivein.Thosepoorpeoplehadnohouses.inwhichtolive注：如果先行词指人，关系代词用whom。即学即用：IwanttofindapersontotraveltoEnglandwith.Iwanttofindapersontotravel.withwhomtotraveltoEngland.三、关系代词a
8、s的用法：1.引导限制性定语从句：当先行词有such,so,thesame等修饰时,关系代词要用as；as在从句中可作主语，宾语和表语。e.g.1).Ihaveneverseensuchakindgirlassheis.2).Heissuchagoodteacheraseverystudentrespects.即学即用：Suchastudent
