初中语法定语从句that

初中语法定语从句that引导定语从句的关系词有关系代词和关系副词,常见的关系代词包括that,which,who,那么，定语从句that用法是？不用that的情况在引导非限定性定语从句时。(错)Thetree,thatisfourhundredyearsold,Isveryfamoushere.介词后不能用。Wedependonthelandfromwhichwegetourfood.Wedependonthelandthat/whichwegetourfoodfrom.只能用that作为定语从句的关系代词的情况在therebe句型中，只用that,不用which。在不定代词，如：anything,nothing,theone,all等作先行词时，只用that,不用whicho先行词有theonly,thevery,thesame,thelast,just修饰时，只用that。先行词为序数词、数词、形容词最高级时，只用that,不能用whicho.先行词既有人,又有物时。先行词指物,在主句中作表语时.为了避免重复.先行词是theway或thereason时，that可作关系副词，也可省略主句的.主语是疑问词who/which时定语从句that例句Heisagoodboy.形容词作定语Twoboysneedtwopens.数词作定语HissonneedsTom'spen.形容词性物主代词或名词所有格作定语TheboyinblueisTom.介词短语作定语Thereisawomandoctor.名词作定语Theboythereneedsabike.副词作定语Thereisnothingtodotoday.不定式作定语Thesmilingboyneedsafriend.现在分词作定语AboycalledTomsavedthegirl.过去分词（短语）作定语HeisthemanthatImetyesterday.定语从句定语从句知识一、定语从句的概念：在复合句中，用作定语的从句叫做定语从句。二、定语从句的位置：通常位于它所修饰的名词或代词之后。三、被修饰的名词或代词叫做先行词。四、 引导定语从句的关联词为关系代词和关系副词。关系代词（who,whom,whose,that,which等）在定语从句中可用作主语、定语、宾语等;关系副词（when,where,why等）在定语从句中只用作状语。关系代词和关系副词放在先行词及定语从句之间起连接作用，同时又作定语从句的重要成分。五、 定从基本形式：先行词（名词/代词）+关系代词/关系副词+定从六、 that引导的定语从句Sheisthegirlthattalkedtoyouyesterday.（that作主语）Thecoat（that）Iputonthedeskisblue.（that作宾语）结论：that引导的定语从句既可以修饰人，也可以修饰物；that在从句中作主语或宾语；作主语时不可省略，作宾语可省略。例如：Ilikemusic.Icandancetomusic.IlikemusicthatIcandanceto.（that在从句中用作宾语。）Ipreferasandwich.Asandwichisreallydelicious.Ipreferasandwichthatisreallydelicious.（that在从句中用作主语。）注意：that在定语从句中作主语时，定语从句中谓语动词的单复数应与先行词保持一致.例如：Iprefermoviesthatarescary.Ilikeasandwichthati