项目服务确认单

定语从句定语从句简单讲解先行词与关系词先行词就是被定语从句修饰的名词、代词，它总是出现在定语从句的前面。关系词指用来引导定语从句的词。关系代词关系词关系副词在从句中作主语、宾语、表语、定语在从句中作状语关系代词指代对象指代人指代物即指人也可指物主格who,thatwhichthatthat宾格whom,that所有格whose关系副词修饰的对象时间地点原因关系副词whenwherewhy如何选择关系词a.步骤一确定先行词被定语从句修饰的词是先行词b.步骤二确定关系词确定关系词时既要考虑先行词，又要考虑关系词在从句中的作用C.步骤三确定定语从句中的人称、数和时态定语从句中的人称、数应和先行词一致。其时态根据具体的情景而定，一般不受主句限制。关系代词的用法A.who,whom二者用于指人。who在定语从句中作主语，whom在定语从句中作宾语。B.whoes一般指人，有时也指物，在定语从句中作定语。C.which一般指物，在定语从句中作主语、宾语。D.that指人或指物，在定语从句中作主语或宾语，还可作表语。作宾语或表语时可省略。作介词宾语时，介词不可提到that之前；若将介词提前，需要用which或whom等其他词代替。关系副词的用法A.when在定语从句中作时间状语，往往指代时间。此时可用“介词+which”代替。B.where在定语从句中作地点状语，此时可用“介词+which”代替。C.why在定语从句中作原因状语，总是修饰先行词reason，可以用forwhich代替。why不可引导非限制性定语从句，此时可用forwhich代替。定语从句中需要注意的事项B.宜用that不用which的情况先行词是序数词、最高级或被序数词或最高级等词修饰时。当先行词被theonly，thevery,thenext,thelast等词修饰时。当先行词是all,few,nothing,everything,something,little,much,none,one等不定代词时。当先行词被all,any,every,each,few,little,no,some等不定代词修饰时。当先行词既含有人又含有物时。在以who,which开头的疑问句中，用that避免重复。Ⅰ.单项选择1.Thereisnothing_________Icando.A.thatB.whichC.whoD.what2.Doyouknowtheman_________iswearingglasses?A.whoB.whichC.whatD.where3.Theboy_________isplayingfootballismybrother.A.whichB.whoC.whatD.where4.I'llneverforgettheday_________Ifirstmether.A.whatB.whoC.whichD.when5.Ican'tfindthebook_________mymotherboughtA.whoB.whenC.whichD.what(A)(A)(B)(D)(C)6.Thefilm________Isawyesterdaywasveryinteresting.A.whoB.whenC.whatD.that7.Isthereanything_________Icanhelpyou?A.thatB.whichC.whoD.what8.All____isneededisafewhandstohelpwiththework.A.whatB.thatC.whichD.things9.Isthisthefactory_________youwishtovisit?A.thatB.whereC.whenD.what(D)(A)(B)(A)11.Heistheveryoneofthestudents____goodatEnglish.A.whodoesB.thatisC.whomdoD.whichare12.Thesecondbook___IwanttoreadisHarryPotter.A.whichB.thatC.whatD.as13.Thedays___Ispentinthecountrysideinmychildhoodwasthehappiesttime___Ihadeverhadinmylife.A.when/whenB.when/thatC.that/whichD.that/thatBBD