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1、Relativeclause定语从句学习定语:在句中修饰名词或代词的成分。 用作定语的主要是形容词，代词，数词，名词，副词，动词不定式，分词,介词短语等。汉语中常用‘……的’表示。判断那些是定语：1.Thelittleboyneedsabluepen.2.HisnameisTom.3.Theboyintheclassroomneedsapenofyours.4.Theboyneedsaballpen.5.Theboythereneedsapen.The______boy(s)/girl(s)ism
2、ybestfriend(s).Whydoyouthinkshe/heis_smart_?Becauseshe/hecananswerthequestionsquickly_.Usesomeadj.(s)todescribeyourbestfriendsinclass.smart,funny,happy,serious,careful,powerful,cute,talented,thoughtful,skilful,humorous,independent,hard-working,determi
3、ned,curious,active,brilliant,shy,twin…Sothe_smart_(adj.)girl/boywho_cananswerthequestionsquickly_isyourbestfriend.Pleasepractisethesedialoguebetweenyouandyoupartner.A:Howisyourbestfriend?B:She/Heis_____(adj.).A:Whydoyouthinkso?B:Becauseshe/he_________
4、___.A:Sothe_____(adj.)girl/boywho____________isyourbestfriend!Thesmartgirl/boyismybestfriend. Thegirl/boywhocananswerthequestionsquicklyismybestfriend.定语定语从句先行词关系代词Relativeclause在复合句中修饰名词或代词的从句叫定语从句。被定语从句修饰的名词或代词叫先行词。引导定语从句的有:关系代词who,whom,whose,which,
5、that等关系副词when,where,why等Ithasverysensitiveleaveswhichworkastraps.leaveswhich关系代词和关系副词一方面起连接作用，一方面起指代作用，代替先行词在定语从句中担任句子成分。先行词关系代词Ex1找出下列句子的关系代词和先行词。ThegirlwhoisdrawingisJim’ssister.Theboythatwetalkedaboutwillcome.Aplaneisamachinewhichcanfly.Ex2找出先行词和关系
6、代词在主从句中的句子成份。SSSOOS(3)做介词宾语:ThisisthepaninwhichIboiledthemilk.这个关系代词不能用that代替.先行词代表物时用which,that,从句动词的数与先行词的名词的数保持一致.(1)做主语:Peoplewereabletocultivateflowersthatlookedblack.(2)做宾语:Thebookwhich(that)theysentmeisverygood.注意:that在口语中可以省略ARelativeclausewit
7、hthatorwhichassubject.A1Workinpairs.Makeconversationswiththewordsbelow.Usethecorrectformoftheverbs.2.What’sthisplantcalled?It’scalledaVenusFly-trap.It’sadangerousplantwhich/thatcankillinsects.3.What’sthisplantcalled?It’scalledtheGiantRedwood.It’stheta
8、llesttreeonEarthwhich/thatstands84mhigh.5.What’sthisplantcalled?It’scalledanAcaciatree.It’saplantwhich/thatdevelopscloserelationshipwithants.6.What’sthisplantcalled?It’scalledabamboo.It’saplantwhich/thatmeansluckandsuccesstoChinesepeople.4.Wha
