句子定语从句句子定语从句在学习、工作或生活中，大家总少不了接触一些耳熟能详的句子吧，从句法角度说，句子是使最大的语法单位。你所见过的句子是什么样的呢？下面是小编为大家整理的句子定语从句，希望对大家有所帮助。定语从句定语从句（AttributiveClauses）在句中做定语，修饰一个名词或代词，被修饰的名词,词组或代词即先行词。定语从句通常出现在先行词之后，由关系词（关系代词或关系副词）引出。关系代词有：who,whom,whose,that,which等。关系副词有：when,where,why等。关系代词引导的定语从句关系代词所代替的先行词是人或物的名词或代词，并在句中充当主语、宾语、定语等成分。关系代词在定语从句中作主语时，从句谓语动词的人称和数要和先行词保持一致。1）who,whom,that这些词代替的先行词是人的名词或代词，在从句中所起作用如下：Ishethemanwho/thatwantstoseeyou?他就是你想见的人吗？（who/that在从句中作主语）Heisthemanwhom/thatIsawyesterday.他就是我昨天见的那个人。（whom/that在从句中作宾语）2）Whose用来指人或物，（只用作定语,若指物，它还可以同ofwhich互换）,例如：Theyrushedovertohelpthemanwhosecarhadbrokendown.那人车坏了，大家都跑过去帮忙。Pleasepassmethebookwhose（ofwhich）coverisgreen.请递给我那本绿皮的书。句子合并定语从句：1.Hehastwosons.Theybothjoinedthearmythreeyearsago2.HevisitedtheSummerPalacethissummer.Hewenttherefouryearsago3.Heliedtohismother.Itmadeherveryangry4.Ihavemanybooks.SomeofthebooksareaboutEnglish5.HemetLiuXianginthestreettheotherday.Itmadeoverjoyed定语从句解题方法一、选准关系代词和关系副词在定语从句中，关系代词或关系副词都代替先行词在从句中充当一定的成分，如果该从句中缺少主语、表语、宾语或定语，就要用关系代词来连接从句;如果从句中缺少状语，就得用关系副词来连接从句。例如：(1)Istillrememberthedayswhich/thatwespenttogether.(2)Istillrememberthedayswhenweworkedtogether.二、了解仅用that引导限制性定语从句的几种情况that在限制性定语从句中既可指人又可指事或物。在下列情况下，只能用that来引导定语从句：1.先行词是all,much,few,little,everything,anything,nothing等不定代词时。例如：Isthereanythingthatyouwanttobuy?2.先行词被all,few,little,much,every,some,no等词修饰或被theonly,thevery,thesame,thelast等限定词修饰时。例如：TheseareallthepicturesthatIhaveseen.Thisistheverydictionarythatisofgreathelp.3.先行词既指人又指物时。例如：Myfatherandhisteachertalkedalotaboutthethingsandthepersonsthattheycouldremember.4.关系代词在定语从句中作表语时。例如：Ourschoolisnottheonethatitusedtobe.5.先行词被形容词最高级或序数词修饰时。例如：ThisisthebestEnglishfilmthatIhaveeverseen.ThefirstEnglishnovelthatIreadwasATaleofTwoCities.6.主句是who或which引导的特殊问句时。例如：Whoisthegirlthatisstandingunderthetree?WhichisthemachinethatweusedlastSunday?三、把握“介词+关系代词”结构中介词的选用介词的选择与主句中先行词的搭配密切相关。例如：That'sthereasonforwhichhewaslateforschool.ThisisthebookonwhichIspent8yuan.注意：1.定语从句中谓语动词是含有介词的动词短语时，介词应放在动词之后，不能拆开放在关系代