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1、Welcometoourclass!Grammar&Usage介词介词+关系代词关系代词 Danielisaboy.Iwanttomakefriendswiththeboy.Danielistheboywhom/that/whoIwanttomakefriendswith.withIobserve：DanielistheboywithwhomIwanttomakefriends.ThisisDanielsfamily.Healwaysfeelsrelaxedinthefamily.ThisisDanielsfamilyinwhichhealwaysfeelsrelaxed.Danielisth
2、eboywithwhomIwanttomakefriends.ThisisDanielsfamilyinwhichhealwaysfeelsrelaxed.Idiscover：当关系代词充当介词的宾语时，可当关系代词充当介词的宾语时，可将介词提至关系代词之前；先行词将介词提至关系代词之前；先行词指人用介词指人用介词+whom，先行词指物用，先行词指物用介词介词+which。vpreposition+which（指物指物）preposition+whom(指人）指人）Howtochoosetherightprepositions Ithink：Thereisagarbagecan_whichar
3、epiecesofgarbageandwastepaper.around/inPiecesofgarbageandwastepaperarearound/inthegarbagecan.2.Themoment_whichDanielsawhisparentswasexciting.atConclusion1：根据介词与先行词的搭：根据介词与先行词的搭配而定。配而定。Danielsawhisparentsatthemoment.1.Thisistheclassroom_whichwestudyeveryday.Westudyintheclassroomeveryday._in_Practice1
4、1.Illshowyouastore_youmaybuyallyouneed.AinwhichBwhichCthatDinthat2.Thepencil_heusedtowriteisbroken.A.inwhichB.bywhichC.withwhichD.withthatTheboy_DanielistalkingisEric.Danielistalkingwith/totheboy._with/towhomDanielEric1.Ericisthedearestbrother_whomDanielplayseveryday.2.Thebrothersboughtsomemedicine_
5、theypaid$10.forwhichConclusion 2:Conclusion 2:根据定语从句中谓语根据定语从句中谓语动词与介词的搭配而定动词与介词的搭配而定.Theypaid$10forsomemedicine.DanielplayswithEriceveryday.with_1.Literatureisasubject_Iknowlittle.2.Thisisthegoodcar_Ispentallmymoney.3.Theteacher_youhavebeenwaitingiscominginaminute.aboutwhichonwhichforwhomknowaboutsp
6、endonwaitforPractice2Thedogwhichtheyarelookingafterisbetter.Attention：某些短语动词当介词与动词：某些短语动词当介词与动词拆开后意思发生了变化，故介词不能提拆开后意思发生了变化，故介词不能提前。前。下面两句中的介词能提前吗下面两句中的介词能提前吗?Isthisthewatchwhichyouarelookingfor?常见的这类动词短语有常见的这类动词短语有:lookfor/after/forwardto,carefor(照顾，喜欢）照顾，喜欢）hearabout/from,takecareof等等.1.Thisisthepl
7、acewhichIhaveeverheardof.2.ThisistheplaceofwhichIhaveeverheard.(T)(F)True/False?Motherdidntliketheway_Fathertreatedthechildren.Fathertreatedthechildrenintheway._inwhichtheway(that/inwhich)Conclusion3:当先行当先行词为词为theway时，引时，引导定语从句的关系词导定语从句的关系词常用常用that/inwhich或或省略。省略。Whatsurprisedmewasnotwhathesaidbut_h
8、esaidit.A.thewayB.inthewaythatC.inthewayD.thewaywhichPractice3Iconclude：Howtochoosetherightprepositions？根据介词与先行词的搭配而定。根据介词与先行词的搭配而定。根据定语从句中谓语动词与介词的搭配根据定语从句中谓语动词与介词的搭配而定而定.当先行词为当先行词为theway时，引导定语从句时，引导定语从句的关系词常用的关系词常用that/inwhich或省略。或省略。Lookatthefollowingpictures.Completeeachsentenceusinganattributive
9、clause.(P29)Itry:1.Iknowverylittleaboutart.Artissomething_.aboutwhichIknowverylittle2.Iboughtmyfavoritedressinthisshop.Thisistheshop_.inwhichIboughtmyfavoritedress3.Itoldyouaboutthisphotolastweek.Thisisthephoto_.aboutwhichItoldyoulastweek4.Igotthecupfromtheheadmaster.Theheadmasteristheperson_.fromwh
10、omIgotthecup5.WelearnthowtowritewithbrushesfromMr.Ma.Mr.Maistheperson_.fromwhomwelearnthowtowritewithbrushes Ourclassisabigfamily.Wefeelveryhappyinthisfamily.Ourclassroomisbigandclean.Behindourclassroomtherearemanygreentrees.Ourclassteacherisalearnedperson.Welearnalotfromhim.Wehave6teachers.Weoftent
11、urntothemforhelpwhenwehavetroubles.Weloveourclass,weloveourteachers.IuseRewritethefollowingpassagebyusing“介词介词+关系代词关系代词”.参考短文参考短文Ourclassisabigfamilyinwhichwefeelveryhappy.Ourclassroombehindwhichtherearemanygreentreesisbigandclean.Ourclassteacherisalearnedpersonfromwhomwelearnalot.Wehave6teacherstowhomweoftenturnforhelpwhenwehavetroubles.Weloveourclass,weloveourteachers._.P29A.Previewtheusageofwhen,whereandwhy.HomeworkIII.P31.Fillintheblanks.Remember:Practicemakesperfect.Mayyoumakeprogresseveryday.