关系副词词形先行词充当从句的when=介+whichwhere=介+whichwhy=for+which时间词地点词原因词状语状语状语when表示时间,在从句中做时间状语先行词往往是表示时间的名词:time,hour,morning,day,week,month,year…2.ThediarywaswrittenbyJohnin1997.Intheyearhewasamiddleschoolstudent.when指代1997,“在那一年”,在从句中作时间状语July1,1921wasthedaywhentheChineseCommunistPartywasfounded.Hewasverylonelyintheweekwhenhewasleftaloneathome.注意:when可以用介词+which来表示Hewasverylonelyintheweek_________hewasleftaloneat...inwhich1.July1,1921wastheday.3.他独自一人被留在家里的那个礼拜很孤独.OnthatdaytheChineseCommunistPartywasfounded.ThediarywaswrittenbyJohnin1997whenhewasamiddleschoolstudent→1.Hewillneverforgettheday.OnthatdayhejoinedtheLeague.2.TheprofessorcamebacktoChinain1949.Themainlandhadjustbeenliberatedintheyear.合并成一句,并改成介词+which句型HewillneverforgetthedaywhenhejoinedtheLeagueHewillneverforgetthedayonwhichhejoinedtheLeague→→TheprofessorcamebacktoChinain1949whenthemainlandhadjustbeenliberated.TheprofessorcamebacktoChinain1949inwhichthemainlandhadjustbeenliberatedintheyear.→→where表示地点,在定语从句中做地点状语Thisisthefactorywhereweworkedlastweek.这就是上星期我们在那儿劳动的那家工厂.where指代thefactory,“在那儿”,在从句中作地点状语1.Theteachers’officeisasmallroom.Therearesomecomputersthere.2.Sheisonbusinessinthatcity.Hersisterisstudyingthere.Theteachers’officeisasmallroomwheretherearesomecomputers.Sheisonbusinessinthecitywherehersisterisstudying.Thisistheplacewherehewasborn.Imetourclassteacherinthelibrarywherewemetlasttime.注意:where可以用介词+which来表示1.That’sthehousewherewefoundthekidnappedchild.2.That’sthehouseinwhichwefoundthekidnappedchild.这就是他出生的地方。昨天我见到了上次我在图书馆里见到的我们的班主任。why表示原因,做原因状语先行词只有一个reason1.Ishouldliketoknowthereasonwhyhechangedthisplan.2.Doyouknowthereasonwhyhewaslate?3.Thereasonwhyhewaslateisthathegotuptoolate.我想知道他为什么改变计划的原因.你知道他为什么迟到的原因吗?他为什么迟到的原因是因为他起床太晚了.becausewhen和why在口语中可以省略,where不可以省略1.Besuretocallonusnexttime(when)youcometotown.2.Thisisoneofthereasons(why)youmayliketoeatit.关系代词和关系副词在定语从句中的区别:1.Wewillneverforgetthedays______weworkedonthefarm.2.Wewillneverforgetthedays______wespenttogetheronthefarm.宾语whenthat/whichwhen指thedays,“在那些日子里”,表示劳动的时间which指thedays,“那些日子”,做spent的宾语1.August6wastheday______shewasborninapoorfamily.2.August6istheday______theywillalwaysremember.whenwhich3.2008istheyear_____theChinesepeoplearelookingforwardto.which在从句中作状语的,就用关系副词when,where,why在从句中作宾语的,就用that或which,而不取决于先行词是什么。在定语从句中担任宾语的,尽管先行词是一个表时间或地点的词,关系词仍不能用where和when.改错1.Thereasonwhyhetolduswasunsatisfactory.2.That’sthereasonthatthehorserefusedtomove.thatwhy非限定性定语从句:引导词:who,whom,whose,which,where,as1.限定性定语从句所修饰的词代表一个或一类特定的人或东西。限定性定语从句是句中不可缺少的组成部分,如果没有从句,先行词的意思就不明确,主句也不完整,从句和主句之间不用逗号分开。2.非限定性定语从句是主句先行词的补充说明,没有从句并不影响主句意思的明确或完整。这种定语从句一般用逗号与主句分开。非限定性定语从句中不用关系代词that。限制性定语从句非限制性定语从句SheisthebestteacherthatIknowthebestteacher,whohasIhaveknown.taughtinthisvillagefor30yea...