句中的某一名词或代词的从句，叫做定语从句。被定语从句所修饰的词叫先行词，位于从句之前。今天，小编为大家带来一份练习题，一起来看看吧！   定语从句的基本结构为： 先行词 + 关系代/副词  +  句子 Do you know the boy who is wearing a blue jacket? The skirt that /which is made of silk is very expensive. I can’t afford it. The number of the people who/that own cars is increasing. The house that(which、/) the famous person once lived in is very old now.   关系代词: that, which, who, whom, whose 关系副词: when, where, why.   a. that－既可指人，也可指物，作主语，不能省略；作宾语，可以省略；不句中作定语，修饰主句中的某一名词或代词的从句，叫做定语从句。被定语从句所修饰的词叫先行词，位于从句引导非限定性定语从句 There are lots of things ________ I need to prepare before the trip. （10河北）   A. who    B. that    C. whom    D. whose (答案: B) b. which－指物，作主语，不能省略；作宾语，可以省略.可引导非限定性定语从句。 This is the dictionary ________ Mum gave me for my birthday. (08河北) A. which    B. what   C. whose   D. whom (答案：A) Sorry, we don’t have the coat ________ you need. (09河北) A. what    B. who    C. whom    D. which (答案：D) c. who－般指人，作主语，不能省略；作宾语，可以省略,（常用whom） Jamie is a young cook ________ wants to improve school dinners. (10天津) A. who    B. whose    C. whom    D. which (答案：A) d. whose 作定语,表示所属关系。  I like the teacher ________ classes are very interesting and creative. (09兰州) A. which   B. who   C. what    D. whose (答案：D) e. when 作时间状语:When =介词 + which  She will never forget the day when (=on which) she was married. f. where 作地点状语  where  = 介词 + which   I want to know the place where (= in which) I was born. g. why 作原因状语, 其先行词常常是the reason. why = for which   That is the reason why(= for which) I’m late.   以上就是有关定语从句专项练习题的内容了。希望能给大家带来相应的帮助，喜欢就赶快收藏起来吧~

能用that。 3、who和whom引导的从句用来修饰人，分别作从句中的主语和宾语，whom作宾语时，要注意它可以作动词的宾语也可定语从句分为限制性定语从句和非限制性定语从句，其中限制性定语从句对被修饰的词语以作介词的宾语。 关系副词：why where when whose 1、where是关系副词，用来表示地点的定语从句。 2、when引导定语从句表示时间。 3、whose（= of which）是关系代词，修饰名词作定语，相当于所修饰成分的前置所有格. 4、当从句的逻辑主语是some，any，no，somebody，anybody，nobody，something，anything，everything或nothing时，常用there is来引导。 以上就是关于非限制性定语从句的基础知识了，不知道大家都掌握得怎么样呢？非限制性定语从句是英语语法学习中非常重要的一个部分，也是大多数很难掌握的一个难点，希望大家能坚持学习，早日将它攻破。

定语从句 定语从句所修饰的先行词可以是名词或代词，也可以是一个句子。定语从句

which引导的定语从句在英语语法中，尤其是在定语从句

提到的情况。 2.Women __________ drink more than two cups of coffee a day have a greater chance of having heart disease than those __________ don’t.  A. who; 不填 B. 不填; who C. who; who D. 不填; 不填 答案：C。 解析：两空均填who，引导定语从句。由于两个who在定语从句都是用作主语，所以不能省略。  3.We saw several natives advancing towards our party, and one of them came up to us, __________ we gave some bells and glasses.  A. to which B. to whom C. with whom D. with which 答案；B。 解析：to which在此引导非限制性定语从句，其中的to与句中的动词give搭配。 4.By serving others, a person focuses on someone other than himself or herself, __________ can be very eye-opening and rewarding. A. who B. which C. what D. that 答案：B。 解析：which在此引导非限制性定语从句，which在定语从句中用作主语，表示前面所定语从句是英语语法中最难学的语法之一，如何才能更好地巩固或学习定语从句提到的情况。 5.Today, we’ll discuss a number of cases __________ beginners of English fail to use the language properly.  A. which B. as C. why D. where 答案：D。 解析：where在此引导定语从句，修饰先行词cases，where的意思相当于in which。类例：There are cases where the word “mighty” is used as an adverb. 在一些情况下，mighty一词可用作副词。 以上就是本期的英语语法定语从句引导词的巩固测试题。每天练习一点，坚持就有成果。加油练习吧。

句话不可以写成：Tennis, that is the best summer game, can be played by two or four players. 在语法上是错误的。 4.3   在限制性定语从句中有时可用who代替whom，但是在非限制性定语从句中不定语从句是由关系代词和关系副词引导的从句，其作用是作定语修饰主句的某个名词性成分，定语从句可以用who代替whom 例：He is the only doctor who/whom I can turn to for help.（限制性定语从句）他是我唯一能求助的医生了。（关系词作宾语时可用who代替whom） 例：He is a warm-hearted doctor, to whom I can turn for help.（非限制性定语从句）他是个好心的医生，我可以向他求助。 5、在非限制性定语从句中，“介词+关系代词”结构前可以使用all、both、most、some等词，与of which/whom搭配。 例：Her daughters, both

定语从句是英语考试中必考的一项内容，那么关于定语从句你又掌握了多少？ 今天小编重点给大家讲下 由“介词+关系代词”引导的定语从句，供大家参考，学习。 1. 由“介词+关系代词”引导的定语从句主要用于正式文体，在非正式文体中通常将介词放至句末。如：This is the man to whom I referred. 我指的就是这个人。This is the man (whom) I referred to. 我指的就是这定语从句是英语考试中必考的一项内容，那么关于定语从句你又掌握了多少？ 今天小编重点给大家讲下 由“介词+关系代词”引导的定语个人。 2. 直接用于介词后作宾语的关系代词which不能换成that，直接用于介词后作宾语的关系代词whom不能换成who。但若介词用于句末，则用作宾语的which, whom也可换成that, who，或者省略不同。如：这是一个我们讨论了许多的问题。This is a subject about which we have talked a lot.(which不能换成that，也不能省略)This is a subject which we have talked about a lot. 这是一个我们讨论了许多的问题。(which可以换成that，也可以省略) 3. 关系副词when, where, why根据情况有时可换成“介词+关系代词which”。如： That is the day when [=on which] he was born. 那就是他出生的日子。That is the house where [=in which] he lived. 那就是他住过的房子。That is the reason why [=for which] he must apologize. 那就是他必须道歉的原因。 4. 在很正式的文体中，“介词+关系代词”引导的定语从句可紧缩成“介词+关系代词+不定式”结构。如：在那儿孩子们有个玩耍的花园。正：There the children had a garden in which to play. (很正式)正：There the children had a garden in which they could play. (较正式)正：There the children had a garden to play in. (较口语化)注：这类“介词+关系代词++不定式”结构中的介词不能没有，也不能放在句末。如不能说There the children had a garden which to play in. 好了，以上是“介词+关系代词”引导的定语从句”的全部内容，还请同学们牢记以上的几点，并多做练习，在具体的句子中加以理解，一切问题就可以迎刃而解了。

句话不可以写成：Tennis, that is the best summer game, can be played by two or four players. 在语法上是错误的。 4.3   在限制性定语从句中有时可用who代替whom，但是在非限制性定语从句中不定语从句是由关系代词和关系副词引导的从句，其作用是作定语修饰主句的某个名词性成分，定语从句可以用who代替whom 例：He is the only doctor who/whom I can turn to for help.（限制性定语从句）他是我唯一能求助的医生了。（关系词作宾语时可用who代替whom） 例：He is a warm-hearted doctor, to whom I can turn for help.（非限制性定语从句）他是个好心的医生，我可以向他求助。 5、在非限制性定语从句中，“介词+关系代词”结构前可以使用all、both、most、some等词，与of which/whom搭配。 例：Her daughters, both

从句的学习中向来十分重要，在定语从句常以in which或 that 引导，但通常省略in which或 that。 The way (in which) he spoke to his classmates was unfriendly. 他跟同学说话的方式并不友好。 以reason为先行词的限制性定语从句，如果先行词reason在定语从句中做状语，通常以why引导，但人们通常省略why。 That is the real reason (why) they left their hometown. 那是他们离开家乡的真正原因。 在there be 句型中，关系代词总是被省略。 There is a lady (who) wants to talk with you. 有一位女士想和你谈谈。 关系代词的省略在定语从句的学习中有许多需要注意的地方，小编不可能把全部相关的知识整理在一篇短短的文章内，要想学好定语从句，只能不断的加强练习，记忆知识点，小编会和大家一起努力的，加油！

或of which同数词或代词(如some，many，little等)连用表示部分与整体关系时，通常不可用 whose。 　　There are 45 students in our class，35of whom are League members.我们班有45名学生，其中35名是团员。 　　Mr White wrote many articles，some of which were translated into Chinese.怀特先生写了不少文章，其中一些译成了中文。 　2.凡是of whom或of which修饰定语从句中的主语，是表示同位关系的代词both，all等时，切不可用whose。 　　I have two sons，both of whom serve in the army.我有两个儿子，都在部队服役。 　　He has some novels，all of which are written in Russian.他有一些小说，都是用俄文写的。