关系副词引导定语从句 when where why的三个作用 1 代替 2 做成分 3 连接 when 先行词常是表时间的名词Ican tforgetthenightwhenIcametothefarm ThedaywhenNelsonMandelahelpedmewasoneofmyhappiestdays Doyourememberthedays wespenttogetheronthefarm 这个空填when还是which that 为什么 where 先行词常是表地点的名词Thefactorywherehisfatherworksisinthewestofthecity TheschoolwhereIstudiedforonly2yearswas3kilometresaway Thisisthefactory heusedtowork Thisisthefactory Ivisitedlastyear 填where还是which that 为什么 Why 先行词通常是reasonIdon tknowthereasonwhyhedidn tcometoschoolyesterday 关系代词作介词的宾语时 可以将定语从句中的介词提到关系代词前 形成 介词 关系代词 机构ThisitthebookwhichTomoftentalksabout 介词 关系代词引导定语从句关系代词 只能用which whom介词如何选择 Thisisthebook whichIspent5yuan Thisisthebook whichIpaid5yuan Iremembertheday whichIjoinedtheparty thedays whichIlivedthere themonth whichIstayedthere 介词根据句子意义而确定 Thisisthepilotwithwhommyyoungerbrotherhasworkedfortenyears Theperson Ilivedwasagoodfriendofmine 和我住在一起的人是我的一个好朋友 Thehouse Iwasstayingwasfarawayfrommywork 我正居住的房子离我工作的地方很远 Thecompany Iworkedwasfounded5yearsago 我为之工作的公司是在5年前建立的 Theaddress allmylettersweresentwasinSouthAfrican 我所有的信被寄往的地址是在南非 when where why与 介词 关系代词 的替换1 when相当于at in during on等 whichThedateonwhichhejoinedthepartywasjuly1 1984 句中onwhich when 2 where相当于in at on等 whichThehouseinwhichhelivedisnowalibrary句中inwhich where 3 why forwhichIsthatthereasonforwhichhewasabsentfromclass Wherethereisawill thereisaway Wherethereislife thereishope