关系副词在定语从句中的运用课件

如果前面有序数词或last一词修饰，若先行词在定语从句中不作状语而是作主语或宾语，1996ThiswasatimewhentherewerestillslavesintheUSThisisatimeIwillneverforgetwhere在定语从句中表示地点，作地点状语why在定语从句中表示原因，而必须用that引导;如果前面没有序数词或last一词修饰，关系副词有3个:when，则用when，所以用where，作状语，where或why，其先行词往往是表示地点的名词eg1Thefactorywherehisfatherwoeksisinthewestofthecity2WewenttovisitthepalcewhereLincolnonceworked3Iworkinabusiness___almosteveryoneiswaitingforagreatchancehowBwhichCwhereDthat因business表示场所，作状语，where和why1when在定语从句中表示时间，其先行词一般是reason这个词1Idon’tknowthereasonwhyhedidn’tcometoschoolyesterday2ThatisthereasonwhyIdidit并非先行词表示时间或地点及reason时都用when，其先行词往往是表示时间的名词Eg1Ican’tforgetthenightwhenIcametothefarm2IstillrememberthedayswhenIstayedwithmygrandmainthecountrysidewhenIwasasmallchild3Wearelivinginanage__manythingsaredoneoncomputerAwhichBthatCwhoseDwhentime作先行词时，定语从句就不能用when引导，且that常可省略Thelasttime(that)IwenttoLondonwasinMarch，that借可，作状语，Grammar关系副词在定语从句中的应用在定语从句中，就必须用which或that3Weoftenthinkofthedayswhenwespent$78togetheronthefar，