when,where,why定语从句.ppt

关系副词在定语从句中作状语，一般不可省略。 Where的用法 在定语从句中作地点状语，指代地点，其前有表示地点的名词。此时常可用in which,on which,at which,to which等结构代替。 Eg. Potatoes can be grown in places where it is too cold to grow rice. （=Potatoes can be grown in places in which it is too cold to grow rice.） 有些太冷不能种稻米的地方，可以种马铃薯。 Why的用法 Why 指原因或理由，在定语从句中作原因状语，可用for which 来代替，它的先行词通常为reason. I have come around to explain the reason why I was absent from the meeting. (=I have come around to explain the reason for which I was absent from the meeting.) 我来是为了解释我当时没到会的原因。 We are living in an age ____ many things are done on computer. （2003北京春） A. which B. that C. whose D. when ［考题2］ The film brought the hours back to me ____ I was taken good care of in that faraway village. （2001） A. until B. that C. when D. where ［考题3］ It was an exciting moment for these football fans this year， ____ for the first time in years their team won the World Cup. （2000北京、 安徽春） 　　A. that B. while 　 C. which 　 D. when 　　［答案］ D ［考题4］ After living in Paris for fifty years he returned to the small town ____ he grew up as a child. （1996） 　　A. which B. where C. that D. when 　　［答案］ B We’re just trying to reach a point ____ both sides will sit down together and talk. （2006山东） A. where B. that C. when D. which 　　［答案］ A --what do you usually do in your spare time? --I enjoy reading in the library _______ I lose myself in a world of good books. A.which B.that C.where D.when C ?I?don’t?know?the?reason?________ he?came?so?late.? This?is?the?office?_______?he?worked. I?still?remember?the?day?_______?I?first?met? Jennifer. Do?you?still?remember?the?days?? -we?spent?together?in?school?? This?is?a?hall the?medical?conference ?will?be?held.?? 若关系词在修饰表示时间或地点的先行词的定语从句中充当主语、?宾语等而不是状语时,需用which或that引导相应的定语从句。 * 关系副词 先行词 在从句中充当的成分 when 表示时间的词，如day,year,date,time等 时间状语 Where 表示地点的词，如place,city,Beijing等 地点状语 Why 表示原因的词 reason 原因状语 这些关系副词均可用“介词+which”来代替 When的用法 在定语从句中作时间状语，指代时间。此时，常可用on which,in which,at which,during which等代替。 I shal