小胶带儿
先行词是在定语从句中,被定语从句所修饰的名词。
1、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。
2、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：
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。
That boy who/that broke the window is called Tom.
打破窗户的那个男孩叫汤姆。
2、先行词指物时，引导词用that或which
They planted the trees which didn’t need much water.
他们种了不需要太多水的树。
3、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.
这是我们去年住的房子。
4、先行词指时间时，引导词用When/on which或in which
I'll never forget the year when/ on which we worked on the farm.
我永远不会忘记我们在农场工作的那一年。
夏侯将军YY
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.
goodluck6699
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.
超能力小怪兽
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.
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