导从句;(连词) B.代替先行词;(代词) C.在定语从句中担当一个成分。РThe man who is shaking hands with my father is a policeman.?This is an attractive place where there is a famous fountain.Р3). a. Is this the factory_______________ we visited ? last year?? b. Is this the house _________Lincoln once lived?? c. Is this house _____we visited last year?? A. which?B. where?C. the one?D. thatР(which /that)РwhereР解题点拨:?看引导词在定语从句中充当什么成分;?若是作状语, 就用where, when, why等关系副词; 若是作主语、宾语,则用关系代词that, which, whom等。若是作定语,就用whose.РCР介词+关系代词引导的定语从句Р1.根据从句中的动词选择介词。? I don’t know the foreigner with whom my teacher shook hands.? I don’t know the foreigner whom/ who my teacher shook hands with.?注意:①介词+which(指物),介词+whom(指人) ? ②有的由动词+介词构成的短语是不能分开的,因为这些介词存在于关系密切的固定短语中如look after, look for, listen to等。?This is the pencil that Ma Lili is looking for.