PAGE\*MERGEFORMAT8定语从句讲解基本介绍❶功能：相当于adj,修饰名词或代词，在句中作定语。❷位置：被修饰词之后❸先行词：被定语从句修饰的词关系词用法成份例句关系代词that人、物主、宾Ishethemanthatwantstoseeyou?who人主Ishethemanwhowantstoseeyou?whom谁+N主、宾HeisthemanwhomIsawyesterday?whose谁的+N定语Pleasepassmethebookwhosecoverisgreen.which哪个、物主、宾Thisisthehousewhichweboughtlastmonth.as正主、宾、表Asweallknow,smokingisharmfultoone’shealth.关系副词when什么时候介词+whichThereareoccasionswhen(onwhich)aremustyield.where地点哪里Beijingistheplacewhere(inwhich)Iwasborn.why表原因Isthisthereasonwhy(forwhich)herefusedouroffer?❹关系词：连接先行词与从句的词称为关系词。❺确定关系词的步骤：先看先行词，指的是什么；看关系词在充当的成份。二．特殊用法情况用法先行词只用that,不用which,指物宜用which，不用thatas/which的区别❶先行词是序数词或形容词最高级时关系词前有介词只用as:先行词被such和thesame修饰，或句型asmany(much)中。无先行词的定语从句中用as/which引导❷先行词被all/every/no/some/any/little/much/theonly/thevery/few等词修饰时引导非限制性定语（有逗号隔开的句子）从句as:“正如.....一样”，可置句首。也可在另处。❸先行词既有人又有物时先行词本身是that❹先行词在主句中做表语❺主句是以which开头的特殊疑问句时which只能放句中。❻先行词为all/much/little/none/few/something/anything等不定代词1.Hewaslookingpleasantlyatthechildrenandparcels______filledhisbus.2.Thevillageisnolongertheone___itwasfiveyearsago.5.Suchbooks____youboughtareuseful.3.Whicharethebooks____youboughtforme?6.____isknown,theearthisround.4.Thereisaroom,_____windowfacestheriver.7.Thereislotsofairinloosesnow,_____cankeepthecoldout.高中定语从句练习（整理）1.Theytalkedforaboutanhourofthingsandpersons_____theyrememberedinthefactory.A.whichB.thatC.whoD.whom2.WearegoingtospendthisSpringFestivalinBeijing,_____liveourgrandparentsandsomerelatives.A.whichB.thatC.whoD.where3.Therearemanyareasintheworld_____lackexperienceddoctors.A.whereB.inwhichC.whichD.what4.Theyearsandmonths_____wespenttogetherarereallywonderfultousall.A.whenB.onwhichC.inwhichD.that5._____hasbeendescribedabove,itisageneralrulethatsolidsexpandasthetemperatureincreasesandcontractwhentheyarecooled.A.ItB.AsC.ThatD.Which6.A.who’sB.whichC.whose7.Susanisnotthebrilliantwriter_____sheusedtobe.D.thisA.whichB.thatC.whoD.whom8.I,who_____yourfriend,willtrymybesttohelpyou.A.beB.amC.areD.is9.Thesizeoftheaudi