如何判断定语从句关系词
定语从句关系词的选择
做表语
1You are not a girl (who/ that/不填)was two years ago.
做状语
①I shall never forget the days( which ) Ispentin that factory.
查看句子分类
1、定义
在句子中作定语，修饰名词或代词的从句。这种从句由关系代词或关系副词引导，并作句子成分因形容词定语，所以又称之为形容词性从句。
例句：
二、定语从句关系词的确定
Step 1：明确关系词有哪些？
做主语：who、that
指人：做宾语：who、whom、that
关系代词
做定语：whose
指物：做主语和宾语：which、that
(2)we will never forget the days _________ we worked in the factory.
下次可千万别一看到地点名词就填where;时间名词就填when哦!
技巧是:看从句缺什么成分.(缺主语或宾语填关系代词,缺状语则填关系副词)
总结：
：
除以上常规操作之外，还有：
2She is the girl (who /that /不填) I met yesterday.
3I have many friendsto(whom) I am going to sendpostcard.
做定语
1I like the sea (whose) window looks out over the sea.
4This is the reason (that ) Imistakethis morning.
如何正确选用定语从句关系词
如何正确选用定语从句关系词关系词的选用让许多学生摸不找头脑，下面我将介绍我的经验。
我把关系词的选用分为两个步骤：第一步、看定语从句中缺少什么成分以确定是选用关系代词还是关系副词。
如果定语从句中缺少主语、宾语、定语或表语时，则这个关系词应是关系代词；如果定语从句中缺少时间状语、地点状语或原因状语，那么我们应该选用关系副词。
如：This is the book ____ I want.此句定语从句是I want，经分析，want 是个及物动词，须带宾语，也就是说，定语从句中缺少宾语，由此我们可知空上所填应是关系代词。
这就是第一步，确定关系代词还是关系副词。
第二步、看先行词。
要弄明白先行词是指人还是指物以及是否受到序数词、最高级等词的修饰以进一步圈定先行词。
如在上面例句中，先行词是the book, 是指物且无其他的修饰词，由此我们可以判断关系代词可用which 或that。
通过以上这两个步骤我们就可以确定关系词，但有一点要注意，这两个步骤的顺序不可以弄错，一旦弄错很容易陷入误区。
如：This is the reason ____he explained to us.如果学生先看先行词很容易选用why,而实际上从句中缺少宾语应选用关系代词，这一点就可以排除关系副词why。
比较下面两个句子：○1. Do you still remember the chicken farm ____ we visited three months ago?○2. Do you still remember the chicken farm ____ we stayed three months ago?这两个句子看似无差异，但答案不一样。
我们按照以上所说步骤顺序来进行分析：在例1 中，定语从句的谓语visited, 是及物动词，其后应接宾语，换句话说，定语从句中缺少宾语应选用关系代词，然后看先行词，the chicken farm 指物且无序数词、最高级等特殊修饰词修饰，所以关系代词应是that 或which；而例2 中，定语从句的谓语是不及物动词stayed，不能接宾语，也就是从句中缺少状语，且先行词是表示地点的名词，所以它的答案是关系副词where。
怎样判断是定语从句
怎样判断是定语从句关于单词作定语时通常放在它所修饰的词之前，作前置定语。
短语、从句作定语时则放在所修饰的词之后，作后置定语。
下面店铺为大家分享判断是定语从句方法，欢迎大家参考借鉴。
一、定语从句的识别名词(句子)+连接词+句子其中识别度最高的关键之处，就是连接词，它有三种：① 关系代词：who, whom, that, which, as, whose② 关系副词：when, where, why, how③ 介词+关系代词：介词+whom, 介词+which, 介词+whose但注意，有时你会看到 in that，但in that=because，算是一种固定搭配，这和定语从句没关系。
这里单独说一下as引导的定语从句吧，因为其它都还比较常见，as相对来说比较生疏。
主要是在same和such之后，定语从句用as引导，但偶尔the same后面也用that.如：I've never heard such stories as he tells.我从来没听到过他讲的这种故事。
He is wearing the same suit as(或that) he wore at Mary's wedding.他穿着与他在玛丽的婚礼上穿的一样的衣服。
二、定语从句的处理原则：将定语从句完整地切分出来，独立成句。
两个关键点：① 完整地切分;② 独立成句第一步，切分：切分点在连接词前，如果连接词前有介词那就在介词前。
如：I love this girl / who is beautiful.I went to Changchun / where I met my wife for the first time.I have three books / of which the red is my favorite.第二步，找指代(也就是关系代词的指代对象)：如：This is the expert / to whom we are turning.注：turn to = resort to = 求助于……这句话里的关系代词是 whom , 它的指代对象是the expert.所以这句话翻译过来是：这就是我们正在求助的.那个专家。
定语从句中关系代词确定方法
定语从句中关系代词确定方法一、关系代词选定要诀定从要学好，删繁就简系首要，明确先行词，然后定关系词调；指人主格用who，宾格whom好，事物用which，主/宾都可靠；用that引定从，人/物均需要，非限制性定从句，切勿用that导；关系词作宾语，常将其省略掉，若介词关系词，关系词切勿抛，无论人/事物，who/that均不导，指人必whom，事物which邀；as引定从，主句内容包，常含“正如”意，位置任意挑；which如此用，用时思量好，有时含“消极”味，主句之后到；such/ the same as，固定搭配好，特殊用法务牢记，勿用乱了套；whose作定语，人/物它全包，n. of whom/which，可与其对调。
先行本身系数词，不定代词指事物，人与事物共先行，There be中指物词作主语，关系词定从中作表语，问句避免疑问词重复，另有序数词/最高级，every/ the very/ the only，以及不定代词若干个，名词前把事物来修饰，以上情况请记清，只能使用that引导定从句。
请在横线上添上恰当的关系词。
1. We need comrades _____________ can help us.2. The man _____________ you saw yesterday was a doctor from Beijing.3. This is a story about a communist fighter _____________ name或the name of _____________ is Liu Hu-lan.4. This is our classroom，_____________ windows或the windows of _____________ face the south.5. Here is a book _____________ will give a lot of useful knowledge.6. This is the song _____________ we like best.7. I will never forget the day，on _____________ I first saw him.8. This is the room _____________ Lao Liu once lived in.9. Do you still remember the day on _____________ he joined the army？10. The earth，_____________ we all know，moves around the sun.11. _____________ is known to all，the earth is round.12. The sun is bigger than the earth，_____________ is known to us all.13. He did not study hard，_____________ led to his failure.14. We used the same type of machine _____________ they did.15. We have found such materials _____________ are used in their factory.16. Here are five fish. The two _____________were caught yesterday are gold fish.17. Everything _____________ I told you just now is true.18. They talked of the things and persons _____________ they remembered in the school.19. There are stars _____________ we still don‘t know in space.20. Li Ying is not the girl _____________ she used to be ten years ago.1. who/that2. who/whom/that/×3. whose；whom4. whose；which5. which/ that6. which/ ×7. which8. that/which/ ×9. which10. as11. As12. as/ which 13. which14. as 15. as16. that17. that/ ×18. that/×19. that/×20. that。
定语从句中关系词的用法
定语从句中关系词的用法定语从句中关系词的用法关系词既连接、标志定语从句，又等同于先行词的内容，还在定语从句中作一个成分。
关系词的含义、指代和用法有一些差别，必须熟记、理解。
下面是店铺收集整理的定语从句中关系词的用法，希望对您有所帮助!定语从句中关系词的用法：who 只指“人”(不能指事物)，可作主语、表语、宾语等whom 只指“人”(宾格)，作动词或者介词的宾语whose 指“人的.、物的”，作定语which只指“事物”，作主语、定语、宾语that指“人、事物”，作主语、宾语when指“时间”，作状语where指“地点”，作状语、表语how指“方式”，作状语why指“原因”，作状语She is the women who give me a red packet.她就是帮我红包的人。
The boy (whom) you look after is very intelligent.你照顾的孩子非常聪明。
You may ride the bike (which) I brought here yesterday.你可以骑我昨天带来的自行车。
Show me the book (that) Professor Smith recommended.拿史密斯教授推荐的书给我看看。
说明：当关系代词whom,which, that, who在定语从句中作宾语时可以省去，所以上面几个词用括号括起来了。
I love the dog whose hair is very yellow.我喜欢毛很黄的那条狗。
Do you see the building whose top is a clock tower?你看见顶部是一个钟楼的建筑了吗?She will tell youthe place where you live.她会告诉你住的地方。
The secretary will tell us the time when the meeting is held.秘书会告诉我们会议举办的时间。
如何区分定语从句中关系词where、why、when与which 的用法
课程篇定语从句在复合句中起定语作用，修饰一个名词或代词，有时也修饰一个句子，定语从句是英语中重要的语言现象，在阅读理解中起着极其重要的作用。
被定语从句修饰的词叫做先行词，引导定语从句，并在句中充当某一成分的词叫做关系代词或关系副词。
正确选用先行词是学习定语从句的关键。
如：This is the place where（in which）he was born.这句话中，where he was born是从句，the place是先行词，定语从句修饰先行词the place，“这是他出生的地方”。
where是关系副词，在定语从句中做地点状语。
因为从句缺少状语，所以由where充当，相当于he was born in the place.定语从句的关系词when，where，why在从句中分别作时间状语、地点状语、原因状语。
Which在从句中作主语或宾语，指物，常可与that替换使用，作宾语时也可以省略。
which作宾语时，根据先行词与定语从句之间的语义关系，选择先行词与which之间的适当介词，如:A prosperity which/that has been appeared in the town.那个镇已呈现繁荣景象。
（which/that在句中作宾语）The package（which/that）you had sent is about to be unwrapped.你寄出的包快散了。
（which/that在句中作宾语）when：in/at/on+whichwhere：at/in/on/by/near/beside/next to/to/from...等介词+which why：for+which关系副词where，why前不能再加介词。
1.先行词表示地点时，如果定语从句中谓语动词是不及物动词，用关系副词where或介词+which；where指地点，在定语从句中做地点状语。
如果是及物动词，用which或that都可以。
语法要点解析定语从句的关系代词
语法要点解析定语从句的关系代词定语从句是英语语法中的一个重要部分，常用来修饰名词或代词。
在定语从句中，关系代词起到了连接作用，同时代替了先行词在从句中的作用。
本文将解析定语从句中的关系代词，并重点讨论其用法和注意事项。
一、关系代词的种类英语中常用的关系代词有：which, that, who, whom, whose和as。
1. which和that：用于修饰事物，可以指代整个主句中的名词或代词，用来区分或限定先行词。
例句：- The book which/that I bought yesterday is very interesting.- This is the car which/that I want to buy.2. who和that：用于修饰人，可以指代整个主句中的名词或代词，用来区分或限定先行词。
例句：- The girl who/that is standing over there is my sister.- This is the man who/that I met yesterday.3. whom和that：同样用于修饰人，但多用于定语从句中作宾语，也可以指代整个主句中的名词或代词。
例句：- The woman whom/that I saw in the park is a famous actress.- This is the teacher whom/that I respect a lot.4. whose：用于修饰人或事物，用来表示所属关系。
例句：- The boy whose dog is lost is very sad.- This is the company whose products are of high quality.5. as：用于修饰前面的整个主句，表示某种身份或特征。
例句：- As a student, it is important to study hard.二、关系代词的用法和注意事项1. 限定性定语从句和非限定性定语从句：关系代词在定语从句中的作用分为限定性和非限定性两种。
怎样在定语从句中判断关系代词和关系副词 高中必修英语课件
怎样在定语从句中判断关系代词和关系副词
方法一：根据从句中缺的成份判断
1. 当从句中缺状语，用关系副词when, where, why.
2. 当从句中缺主，定或宾语， 用关系代词that，which，who, whom, whose.
用关系代词和关系副词填空
1.This is the house _w_h_e_r_e_____ he lived last year.
2.This is the house _w_h_i_c_h_/t_h_at__ he visited last year.
牛刀小试
判断引导词是否使用正确
1. I still remember the days when were spent in
Britain.
that/which作主语
2. I’m going to work in the hospital where needs me. which/that作主语
不及物动词
2. I went to the place _w__h_i_ch__/t_h_a_t____ I visited ten
years ago.
及物动词
牛刀小试
1.I’ll never forget the day____w_h_e_n______ I met you.
2.I’ll never forget the day__t_h_a_t_/w__h_ic_h___ we sp缺的成份判断 1. 当从句中缺状语，用关系副词when, where, why. 2. 当从句中缺主，定或宾语，用关系代词that， which，who, whom, whose.
方法二：根据从句谓语动词进行判断。 1.当从句中谓语动词为及物动词且后无宾语，用关系 代词； 2.当从句中谓语动词为不及物动词且后无介词，则用 关系副词。
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如何辨别定语从句的关系词塘桥中学包小波同学们，你们知道以下这些谚语吗？It’s the first step that costs.万事开头难。
Not all that glitters is gold.闪光的未必都是金子。
He who would climb that ladder must begin at the bottom.千里之行，始于足下。
A good book is a best friend who never turns back upon us.好书如挚友，情谊永不变。
在这些句子中，你发现什么共同点了吗？对了，这些句子都运用了定语从句。
定语从句在复合句中的作用相当于形容词，在句中作定语，修饰前面的名词或代词。
斜体加粗的单词都被称为关系词，也叫引导词。
被定语从句修饰的词称为先行词，就是上述谚语中有下划线的单词，定语从句一般放在先行词的后面。
要想掌握定语从句，就必须了解引导定语从句的关系词。
关系词分为关系代词和关系副词。
关系代词有who，whom，whose，that，which和as，关系副词有when，where和why，他们在先行词和定语从句之间起联系作用，同时在意义上代表先行词，并在定语从句中担任某个成分。
我们要辨别定语从句中不同的关系词，必须掌握以下的方法。
一、关系代词的用法1．普通代词与关系代词的区别例如：I have a brother. He likes playing the piano.（合并为一句）I have a brother who/that likes playing the piano.简单句中的普通代词he起了指代前一句中brother的作用，并且是本句的主语，两个句子都是独立的。
而两句合并后，句中的关系代词who/that除了代替先行词brother之外，它还在定语从句中担任了一定的成分，同时连接先行词与它引导的定语从句。
2．who指人,做主语。
例如：The person who is in blue will go to the concert with me tomorrow.本句中的who充当从句中的主语, 划线部分是从句。
当who作为定语从句的关系代词在句中充当主语或宾语时，都可以用that来替代。
3．who/whom指人,做宾语。
例如：The man who/whom I look after is my father.在例句中，who/whom做从句中介词with的宾语，这个句子也可以写成The man with whom I talked is our teacher.如果从句中介词提前，那么就不能用who或that，只能用whom引导从句了。
这个句子还可以写成：The man I talked with is our teacher.在口语及非正式文体中常省略中间的关系代词who。
4．whose多指人，也可指物。
例如：The room whose door is open is mine.This is the boy whose mother is an engineer.第一句中的whose指代的是主句中的room, 第二句中的whose指代的是主句中的boy。
在定语从句中运用whose时，要注意它的后面肯定有名词，因为它本身也是这个名词前的定语，然后跟着的是从句中的谓语和其它成分。
5．which 指物，做主语或宾语。
例如：Two days later Jenny received the present which her friend bought her.I want to buy a book which was written by Mark Twain.which在第一句中充当从句中的宾语，而在第二句中充当从句的主语。
which在句中作宾语时可省略, 如介词提前则不能省。
例如：I went to the library which you borrow books from.= I went to the library you borrow books from.=I went to the library from which you borrow books.6．that 指人/物，做主语或宾语。
例如：Who is the woman that you are waiting for？The train that left just now will go to Paris.★需要注意的是：（1）that作宾语时可以省略，如，The news that John told me is true.=The news John told me is true.（2）介词提前时，不能用that, 指人只能用whom，指物用which。
如，The little girl that I spoke to just now is Henry's sister.= The little girl to whom I spoke just now is Henry's sister.The library that we often borrow books from is on the second floor.= The library from which we often borrow books is on the second floor.（3）有些情况下只用关系词that或省略，而不宜用which。
a).先行词被形容词最高级，序数词或the only, the very, no, the last等修饰时,如，This is the most interesting novel that I have ever read.The first lecture that I will give will be held in the afternoon.b).先行词all, something, nothing, anything，everything, much, little, few, none, the one等时, 如，Here is something that I will tell you.c).先行词既有人也有物时, 如，I can remember the persons and some pictures that I’ve seen.7．as指人或物，在从句中作宾语，有时做主语或表语，常用于“the same＋名词＋as或such＋名词＋as”等结构中及先行词是代词such或same的情况下。
例如：I lived in the same neighbourhood as Mr. Wang lived three years ago.T he King’s Speech is such an interesting film as I thought.二、关系副词的用法关系副词在从句中作状语，其作用相当于介词短语。
1．when表示时间，在从句中通常做时间状语，也可用介词+ which来替换。
例如：Do you remember the time when we first went to Beijing several years ago?That was the very day when I first saw my general manager.= That was the very day on which I first saw my general manager.2．where表示地点，在从句中通常做地点状语，也可用介词+ which来替换。
例如：This is the hotel where they stayed last month.=This is the hotel in which they stayed last month.3．why表示原因，在从句中通常做原因状语，也可用for which来替换。
例如：I don’t know the reason why Mingming is often late for school.=I don’t know the reason for which Mingming is often late for school.★需要同学们注意的是：如果关系词后面是完整的句子，句中已有主语、谓语、宾语三个成分，就不能用that, which, who, 因为他们在定语从句中做主语或宾语，那么就要考虑是不是用when, where 或why来解题。
例如：I shall never forget those years _______ I planted the trees on the farm.A. whereB. thatC. whichD. when本题的从句中主语是I，谓语是planted, 宾语是the trees，地点状语也有了，是on the farm，而且先行词是those years，因此根据从句的句子成分来分析出答案不可能是宾语或是主语，应该是时间状语，选择D。
例如：This is the place _______ the accident happened last night.A. whereB. thatC. whichD. why本题的从句中主语是the accident，谓语是happened, 而且是不及物动词，后面不能跟宾语，而last night是时间状语，而且先行词是the place，所以分析下来是缺少地点状语，因此答案是A。