先行词英语表达

就是定语从句中定语从句前面那个词，比如说HeisthemanwhowantstogototheUSA.他就是（那个想去美国的）人。但是如果在非限制性定语从句中的话，这个定语从句即可以修饰某个词也可以修饰前面整个句子的哦

先行词是被定语从句所修饰的名词、代词。在定语从句中充当一定的部分。之所以称它为先行词，是因为修饰它的定语从句总是放在它之后，先行词总是出现在定语从句之前，而不同于普通形容词修饰名词时，形容词位于名词之前。

例句：This is the book which I am looking for.

它是我正在寻找的书。

其中的“the book”是先行词，“which”是引导词。

例句：He is Mr. Robertson who comes from England.

他是来自英国的罗伯森先生。

其中的“Mr. Robertson”是先行词，“who”是引导词。

扩展资料：

根据定语从句与先行词间关系的紧密程度，我们将定语从句分为限定性定语从句和非限定性定语从句。

（1）限定性

大多数定语从句对所修饰词的意思加以限制，表示“...的人（或东西）”，称为限定性定语从句。

限定性定语从句，用来修饰和限定先行词，与先行词间的关系非常密切，它所修饰的先行词代表一个（些）或一类特写的人或物，从句用来说明先行词的性质、身份、特征等状况，如果去掉，则意思含混不清。

（2）非限定性：

非限定性定语从句起补充说明作用，也不会影响全句的理解，译为汉语时常常不译作定语，而根据句意翻译为相应的其他形式的从句。

对它与主句的关系不如限定性定语从句的关系紧密，只是对先行词作些附加说明，即使去掉，主句的意思依然清楚。在非限定性定语从句的前面往往有逗号隔开，如若将非限定性定语从句放在句子中间，其前后都需要用逗号隔开。

参考资料来源：百度百科-先行词

先行词是被定语从句所修饰的名词、代词。在定语从句中充当一定的部分。之所以称它为先行词，是因为修饰它的定语从句总是放在它之后，先行词总是出现在定语从句之前，而不同于普通形容词修饰名词时，形容词位于名词之前。例句:This is the book which I am looking for.它是我正在寻找的书。其中的"the book"是先行词，"which"是引导词。例句:He is Mr. Robertson who comes from England.他是来自英国的罗伯森先生。其中的"Mr. Robertson"是先行词，"who"是引导词。例句:Was that a singer that sang Xi Yangyang?那个是唱喜洋洋的歌手吗?其中的"a singer"是先行词，"that"是引导词。希望对你有帮助！

先行词:是在定语从句中,被定语从句所修饰的名词.例如:HeisateacherwhoteachourEnglish.在这里定词从句whoteachourEnglish是来修饰前面的名词teacher.所以teacher就是一个先行词.再说下它的用法：1、先行词指人时，引导词可用Who,Whom,及that,其中当引导词在句中作主语时用Who或that；当其充当宾语时用whom或that，在非正式宾语中也可用who，也可省略。aThatboywho/thatbrokethewindowiscalledTom.bThepersontowhomyoujusttalkedisMrLi.b句可改为：Theperson(that/whom/who)youjusttalkedtoisMrLi.2、先行词指物时，引导词用that或whicha.Theyplantedthetreeswhichdidn’tneedmuchwater.b.Thefish(which)weboughtwerenotfresh.3、先行词指时间时，引导词用When/onwhich或inwhicha.Istillrememberthedaywhen/onwhichIfirstcametoBeijing.b.I'llneverforgettheyearwhen/onwhichweworkedonthefarm.4、先行词指地点时，引导词用Where或inwhichThisisthehousewhere/inwhichwelivedlastyear.或:Thisisthehousethat/whichwelivedinlastyear.5、whose在定语从句中作定语时，可用来指人，也可以用来指物，如:a.Thisistheboywhosemotherdiedamonthago.b.Thisisthehousewhosewindowswerebroken.此句可改成：Thisisthehousethewindouesofwhichwerebroken.6、先行词表示原因时，引导词用why,如:Thereasonwhyhewaslateforschoolwasthathehadbeenknockeddownbyabike.二、物殊情况：尽管有以上基本原则，但要学好定语从句更应注意以下特殊情况；Ⅰ、当定语从句的先行词为表示人的不定代词，如anyone,anybody,everyone,everybody,noone,nobody,all，these，those等时,用who而不用thatThosewhobreaktherulearepulished.Anybodywhohadeyescouldseetheelephantwaslikeasnake.Ⅱ.以who或which作主语的特殊疑问句中先行词指人，引导词只用That,如:a.Whoisthepersonthatisstandingatthegate?b.WhichofyouthatknowssomethingaboutEnglishdoesn’tknowthisword?Ⅲ、先行词指物时引导词用that而不用which的情况:1、先行词有序数词或形容词最高级修饰时，ThisisthebestcompositionthathasbeenwritteninEnglish.2、先行词是all,something,anything,nothing,everything,little,few,much等不定代词时Thereisnothing/little/muchthatwecandoforher.3、先行词被all,every,no,some,any,little,much等修饰时I’vereadallthebooksthatyougaveme.4、先行词被theonly/very等修饰时Thisisthevery/lastplacethattheyvisitedyesterday.5、有两个以上先行词，分别表示人或物时Theytalkedabouttheteachersandtheschoolsthattheyhadvisited.6、先行词为基数时YesterdayIcaughttwofish,Nowyoucanseethetwothatarestillaliveinabasinofwater.Ⅳ.time为先行词时，前边如有序数词修饰时，定语从句引导词用that或什么也不用，如没序数词修饰时，用when或that均可a.Thisisthelasttime(that)Ishallgiveyoualesson.先行词指人时，引导词可用Who,Whom,及that,其中当引导词在句中作主语时用Who或that；当其充当宾语时用whom或that，在非正式宾语中也可用who，也可省略。aThatboywho/thatbrokethewindowiscalledTom.bThepersontowhomyoujusttalkedisMrLi.b句可改为：Theperson(that/whom/who)youjusttalkedtoisMrLi.2、先行词指物时，引导词用that或whicha.Theyplantedthetreeswhichdidn’tneedmuchwater.b.Thefish(which)weboughtwerenotfresh.3、先行词指时间时，引导词用When/onwhich或inwhicha.Istillrememberthedaywhen/onwhichIfirstcametoBeijing.b.I'llneverforgettheyearwhen/onwhichweworkedonthefarm.4、先行词指地点时，引导词用Where或inwhichThisisthehousewhere/inwhichwelivedlastyear.或:Thisisthehousethat/whichwelivedinlastyear.5、whose在定语从句中作定语时，可用来指人，也可以用来指物，如:a.Thisistheboywhosemotherdiedamonthago.b.Thisisthehousewhosewindowswerebroken.此句可改成：Thisisthehousethewindouesofwhichwerebroken.6、先行词表示原因时，引导词用why,如:Thereasonwhyhewaslateforschoolwasthathehadbeenknockeddownbyabike.

先行词:是在定语从句中,被定语从句所修饰的名词.例如: He is a teacher who teach our English.在这里定词从句who teach our English是来修饰前面的名词teacher.所以teacher就是一个先行词. 再说下它的用法： 1、先行词指人时，引导词可用Who,Whom,及that,其中当引导词在句中作主语时用Who或that；当其充当宾语时用whom或that，在非正式宾语中也可用who，也可省略。 a That boy who/that broke the window is called Tom. b The person to whom you just talked is Mr Li. b 句可改为：The person(that/whom/who)you just talked to is Mr Li. 2、先行词指物时，引导词用that或which a.They planted the trees which didn’t need much water. b .The fish (which)we bought were not fresh. 3、先行词指时间时，引导词用When/on which或in which a.I still remember the day when/on which I first came to Bei jing. b.I'll never forget the year when/ on which we worked on the farm. 4、先行词指地点时，引导词用Where或in which This is the house where/in which we lived last year. 或:This is the house that/which we lived in last year. 5、whose在定语从句中作定语时，可用来指人，也可以用来指物，如: a.This is the boy whose mother died a month ago. b.This is the house whose windows were broken.此句可改成： This is the house the windoues of which were broken. 6、先行词表示原因时，引导词用why,如: The reason why he was late for school was that he had been knocked down by a bike.