非限定性定语从句的例句
Find the mistakes
1. People are excited to meet Zhai Zhigang, he was the first Chinese to walk in space .
2. Many Chinese will never forget May 12th, 2008, when a big earthquake happened in
Sichuan then.
3. Which is shown on TV, many children suffered a lot from the polluted milk.
4. Lin Hao is a hero, who we should learn.
5. China got the most gold medals in the Olympics, that makes people excited.
6. I dream of going to Beijing, which the 29th Olympic Games was held.
Fill in the blanks with proper relative words
1.Hangzhou is a beautiful city, _____________ people visit the famous West Lake.
2. Beijing, _________ is the capital of China, has a very long history.
3. ______ is known to all, he is the best student.
4. The young man had a new girl friend, ________ is a pop star.
5. I should thank my teacher, with ______help, I solved the problem.
6. He once worked on the Bird’s Nest, ____ _______ his son is proud.
Translate
All the magazines here which have beautiful pictures in them were written by him.
All the magazines here , which have beautiful pictures in them, were written by him.
Many people, some of whom are not overweight at all, are always going on diet or taking weight-loss pills, which are often dangerous.
Make a choice
I have many friends, some _______ are businessmen..
A. why
B. from which
C. who of
D. of whom
I walked in our garden, _______ Tom and Jim were tying a big sign onto one of the trees.
A. which
B. when
C. where
D. that
Great changes have taken place in that school. It is no longer what it was 20 years ago, ______ it was so poorly equipped.
A. when
B. which
C. what
D. that
Complete the following passages with who,whose ,which,where,or when
I have a good friend,(1)_____ is really thin.Twice a week he goes to the gym,(2)_____ he exercises and lifts weights.But the fact is that he’s still quite thin,(3)______makes him unhappy.
Now he is thinking about taking some pills,(4)_____ he thinks will make him become stronger. Does anyone know if it’s safe to take these pills?
I think going to a gym is a good way to keep healthy and strong. If your friend wants to be stronger, he should try to go there more often.Yes, there are some pills to make you look strong. However,they have side effects, (5)_____ will do harm to your health.After taking this kind of pill for some time, your friend’s hair might fall out or he might have health problems, some of(6)____ may even do harm to his liver or heart. Many sportsmen, (7)______ achieve ments were great, died very young because they took these kinds of pills. I don’t think your friend should take the risk.Tell your friend not to take the pills because he may have health problems in the future, (8)______ it is too late.。
英语非限制性定语从句
英语非限制性定语从句英语非限制性定语从句英语目前在职场中使用到的机率非常的大,可以说是职场的必备技能。
很多人在业余时间都在努力的提升商务英语能力。
下面，店铺为大家分享英语非限制性定语从句，希望对大家有所帮助！英语非限制性定语从句篇1小伙伴们都知道，在考试是一定要诚实，不可以作弊。
如果身边有其他小伙伴想铤而走险，那你该怎么劝他呢?Cheating is a dishonest behavior, which will cause serious consequences.作弊是不诚实的行为，会导致严重后果的。
这句话使用了which引导的非限制性定语从句。
既然有非限制性定语从句，肯定有限制性定语从句。
两者分别是什么样的定语从句呢?又有什么区别呢?那接下来我们就从区别入手，学习一下限制性定语从句和非限制性定语从句吧。
定语从句的基本结构为：先行词+关系代词或关系副词+从句本身。
定语从句可以是限制性的，也可以使非限制性的，它们主要有以下区别：1.结构上的区别限制性定语从句和非限制性定语从句在结构上基本相同。
在口语中，非限制性定语从句的先行词和关系代词或关系副词之间稍有停顿。
在文本中，限制性定语从句不用逗号与主句隔开，而非限制性定语从句需使用逗号和主句隔开。
例a)：I have a sister who is a doctor.(限制性定语从句)我有一个当医生的姐姐。
例b)：I have a sister, who is a doctor.(非限制性定语从句)我有一个姐姐，她是当医生的。
2.意义及功能上的区别从意义上分析，非限制性定语从句是对先行词的附加补充说明。
如果删去，不会影响主句意义的完整。
而限制性定语从句修饰和限制先行词，明确先行词内容，是先行词不可缺少的定语。
如果删去，会影响主句意义的完整。
例c)：I have an elder brother who is a teacher.(限制性定语从句)我有一个当老师的哥哥。
(完整版)小学语文非限定性定语从句语法归纳
(完整版)小学语文非限定性定语从句语法归纳非限定性定语从句是由关系代词或关系副词引导的修饰句子。
在句子中，非限定性定语从句提供额外的信息，但不是必需的。
下面是小学语文非限定性定语从句的语法归纳：引导非限定性定语从句的关系代词：1. 关系代词：关系代词：关系代词在非限定性定语从句中作为主语、宾语或表语。
常用的关系代词有：谁、哪、那。
谁、哪、那。
例如：李明，你知道谁是班长吗？谁是班长吗？2. 关系副词：关系副词：关系副词在非限定性定语从句中表示地点、时间、原因或方式。
常用的关系副词有：在哪里、在那儿、为什么、怎样。
在哪里、在那儿、为什么、怎样。
例如：他告诉我，他在哪里丢失了手机。
哪里丢失了手机。
非限定性定语从句的位置：非限定性定语从句通常放在句子的后面，用逗号与主句隔开。
例如：我昨天去了一个很好玩的地方，在那儿我见到了很多朋友。
在那儿我见到了很多朋友。
非限定性定语从句的修饰对象：非限定性定语从句可修饰一个名词或代词，提供额外的信息。
例如：我喜欢的那本书，作者是谁？作者是谁？非限定性定语从句的功能：非限定性定语从句可以进一步解释或说明主句中的名词、代词或整个句子。
例如：这是一个很有趣的故事，讲述了一个勇敢的小孩。
讲述了一个勇敢的小孩。
非限定性定语从句的例句：1. 刘老师，你知道那个上海的学生是谁？你知道那个上海的学生是谁？2. 我昨天去了西湖，在那儿我拍了很多美丽的照片。
在那儿我拍了很多美丽的照片。
3. 学生们在课堂上遇到的问题，老师会尽快解答。
老师会尽快解答。
请注意，以上是小学语文非限定性定语从句的语法归纳，仅供参考。
具体的语法规则和用法还需要根据具体的教材和课堂教学的要求来进行学习和实践。
非限定性定语从句
非限定性定语从句非限定性定语从句是英语语法中的一个重要概念。
它用于补充说明主句的内容，并且在语法上与主句有较弱的联系。
非限定性定语从句通常用逗号将其与主句隔开，有时也可以用破折号或括号。
非限定性定语从句可以用来修饰人、事物、地点、时间等，它的使用丰富了句子的表达方式，使句子更加准确、生动。
下面将通过一些具体的例子来解释非限定性定语从句的用法和特点。
1. 用于修饰人：例句1：Emily, who is my best friend, is also an excellent violinist.（埃米莉，我的好朋友，也是一位出色的小提琴手。
）例句2：Tom, whose father is a doctor, wants to become a lawyer.（汤姆的爸爸是个医生，他想成为一个律师。
）在这两个例句中，非限定性定语从句都用来修饰一个人，并对他们进行具体的描述。
2. 用于修饰事物：例句3：The Eiffel Tower, which was built in 1889, is a famous landmark in Paris.（埃菲尔铁塔，建于1889年，是巴黎的一个著名地标。
）例句4：I bought a dress, which is made of silk, for the party.（我为晚会买了一条丝质的裙子。
）这两个例句中，非限定性定语从句被用来修饰一个具体的物体或事物，并提供了更多的细节。
3. 用于修饰地点：例句5：London, where I spent my childhood, holds a special place in my heart.（伦敦，在那里度过了我的童年，对我来说意义非凡。
）例句6：I visited Beijing, which is the capital of China, last year.（我去年参观了中国的首都北京。
）这两个例句中，非限定性定语从句被用来修饰一个地点，并提供了该地点的额外信息。
非限制性定语从句
U n i t5G r a m m a r定语从句非限制性定语从句一．概述非限制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;起前后都需要用逗号隔开..1)The other day I met Li Lei; who seemed to be very busy.不久前的一天我碰上李雷了;他好象很忙..2)His mother; who loves him very much; is strict with him. 他妈妈很爱他;对他要求很严格..非限制性定语从句和单句的比较1)He failed in the exam. _It_ made his parents angry.2)He failed in the exam; It made his parents angry.3)He failed in the exam; _which made his parents angry.二．非限制性定语从句应注意以下几点：一非限制性定语从句中的关系词：1. 关系代词如下表所示：1)The house; ______ we bought last month; is very nice.这幢房子很漂亮;是我们上个月买的..2)Miss Howe; _______you met in the library; is our new teacher.3)Yesterday I bought a T-shirt; ________only cost me 18 Yuan.4)Tom’s father; ________is over sixty; still works hard day andnight.汤姆的父亲已经六十多岁了;但他仍然从早到晚忙碌地工作..5)Li Ming; ________ mother has been ill for two days; is absent fromschool today.6)Yesterday she sold her car; _______ she bought a month ago.7)John’s wife; ____woks in Beijing ;came back home yesterday.注意：非限制性定语从句中关系代词which/whom在从句中作宾语时;不可省略..1)This book; which you can get at any bookshop; will give you all theinformation you need.这本书会给你提供所有你需要的资料;它在任何一家书店都能买到..2)This morning I met Tom; whom I hadn't seen for ages.今天早上我碰见汤姆;我很多年未见到他了..2.关系副词有when和where；关系副词why不能引导非限制性定语从句;要用for which代替..1)Yesterday Jimmy left for Canada; _______ he had stayed two years.昨天;吉米动身到加拿大去了;他曾在那儿呆了两年..2)The People’ s Republic of China was founded in 1949; _________hewas born.3)I had told them the reason; __________I didn’t attend the meeting. 二关系代词前介词的选择..1.依据定语从句中动词的习惯搭配来确定1)I bought a great many books; ______which I spent all my money thatI saved.我买了很多书;这些书花了我所有的积蓄..2)This project; _______which I have devoted lots of time; will bea great success.这项工程我投入了很多时间;肯定能成功..2.依据先行词的某种习惯搭配来确定1)I’ll never forget the time; during which I spent my childhood inthe country.我永远不会忘记我在乡村度过的童年时光..2)Her bag; in which she put all her books; has not been found.用适当的介词填空：1)In the dark street; there wasn’t a single person ___whom she couldturn for help.2)At last we found the hole in the wall _________ which the mouse gotinto the house last night.三含有“不定代词both/some/any/all/none等或基数词+of which/whom“结构的非限制性定语从句1)He has three sons; all of whom are college students.2)There are 51 students in Class Three;none of whom failed in themonthly examination last week.3)Here are the questions; some of which I thought are difficult foryou.4)Present at the meeting were almost experts on DNA; most of whom camefrom the US.出席会议的大都是DNA专家;其中大部分来自美国..5)I have three foreign teachers; two of whom are from Canada.填空：We shouldn’t spend our money testing so many people; most o f ______are healthy.小贴士此类题解题的关键是看句中的标号.. 如果是逗号;通常考虑关系词;反之;考虑人称代词..1)He has two sons. Both of ________ are teachers.2)He has two sons; both of ________ are teachers.四关系代词as的用法1.as 与which 都可以代指主句整个句子的内容;有时可以互换He is a doctor ;as/which we know from his manner.2. 区别点：A.as引导的定语从句可以放在句首;而which 则不能..B.as意为“正如……”;后面的谓语动词多是see;know;expect;say;mention;report;announce等；which意为“这一点”..1)He didn’t know French; which made it difficult for him to studyat a university in France.2)Smoking is harmful to one's health;as we know;3)As we know;more than seventy percent of the earth is covered withwater.正如我们所知;地球表面的70%以上被水覆盖..4)He came back home late;as we expected.正如我们所料;他回家晚了..注意：as的固定结构：She is late;as is often the case．她迟到了;这是经常的事Taiwan;as you know;is an inseparable part of China．你知道;台湾是中国不可分割的一部分..As is announced in the papers;our country has launched another man-madeearth satellite．报纸宣布;我国又发射了一颗人造地球卫星..I’ve never heard such a wonderful song as he’s singing.即学即练：1)The number of the students in senior high schools isincreasing;________is mentioned above;2)________is often the case with elder people;my grandma talked aboutmy new hairstyle for at least 50 minutes nonstop.比较：It is so heavy a box as no man can lift.这是一个没有人搬得动的大盒子..It is so heavy a box that no man can lift it.This is such a novel as all people;both young and old;like to read.. This is such a novel as all people;both young and old;like to read it.高考链接：1. I walked in our garden; _______ Tom and Jim were tying a big sign onto one of the trees.2. The Beatles; _______ many of you are old enough to remember; came from Liverpool.3. She was educated at Beijing University; ____ she went on to haveher advanced study abroad.4. Last week; only two people came to look at the house;_______ wantedto buy it.5. It is reported that two schools; _____ are being built in my hometown;will open next year.6. The growing speed of a plant is influenced by a number of factors;_____ are beyond our control.7. They will fly to Washington; _____they plan to stay for two or three days.8. Many children; ______ parents are away working in big cities; aretaken good care of in the village．9. Whenever I met her; _______ was fairly often; she greeted me witha sweet smile.10. As a child; Jack studied in a village school; _______is named after his grandfather.11. The settlement is home to nearly 1;000 people; many of _____ left their village homes for a better life in the city.12. Our teacher urges us to form a good habit of learning;________wethink will benefit us in the13. Remember that there is still one point________we must make clearat the conference tomorrow.14. All the neighbors admire this family;________the children andparents build up a friendly relationship.15.As to the unemployment;the government has taken a series of measuresin many areas;________;I am sure;will benefit the people out of work. 16The reason _______ he was late again was that he was caught in a traffic jam in the rush hour. 117.I hate the way _______ you talk to your mother.18.You think the reason _______ he gave is believable.19.____ is reported in the newspaper ; talks between the two countries are making progress.20. Is this museum _____they visited last month21.---- Where did you meet him first ----- It was in the hotel ＿he stayed.22. David is such a good boy _______ all the teachers like.23. A man with a bleeding hand hurried in and asked; “Is there ahospital around ______ I can get some medicine for my wounded hand ”24. They put forward a lot of plans at the meeting; but none of _______were carried out in their work.25. Sundays there were a lot of children playing in the park; ____parents were seated together joking.2014辽宁卷Dear Jeremy and Alice;Although we’ve been delighted to have you as neighbors; we’re hoping to settle something that bothers to us. In a word; your dog—Cleo. We’ve called several time about Cleo’s early morning barking. It is difficult to understan ding why she barks every minute she’s outside. The early morning barking have been disturbing us as wc arc often up all night with the baby. Beside; Cleo tends to bark a average of six hours a day. This morning she starts barking even before 5 o’clock. That is too much for us. considering how closely the houses are. We appreciate our apologies and goodwill; but we hope that you can figure a good way of settling the matter.2014陕西卷My father took me out camping for the first time when I was seven. He wanted teach me about animals; insects and trees. My uncles all come along with bows and arrows for hunting.One evening at sunset; we sat by the fire; have our barbecue. Just then a bird was flying over us. My uncles immediate jumped up and shot their arrows on the bird. Neither of the arrows hit the target.Suddenly the arrows was flying down at us from the sky — they were looked like rain We ran to escape but fortunately no one was injured.That day I didn’t learn much about animals; insects or trees; but I learnt a impressive lesson about gravity答案去掉us前面的to试题解析动词bother困扰;麻烦；这是一个及物动词;后面直接加宾语;不需要使用介词to..2. 答案time改为times试题解析本句中的time表示“次数”;是一个可数名词;前面有several修饰;说明使用复数形式..3. 答案understanding改为understand试题解析本句中的it是一个形式主语;真正的主语是后面的不定式结构to understand why….；不定式结构中to后面要接动词原形..4. 答案have改为has试题解析本句的主语是单个的动名词短语the early morning barking;做主语时;谓语动词要使用单数形式..5. 答案beside改为beside试题解析介词beside以为“在…旁边”；本句中的besides是一个副词“而且”;单独使用;表示递进关系..6. 答案bark后面的a改为an试题解析名词average是以元音开始的单词;所以使用an修饰average of…..7. 答案starts改为started试题解析本句叙述的是具体早晨发生的事情;也就是过去所发生的事情;所以使用一般过去时started..8. 答案closely改为close试题解析本句how close the houses are中的close本应该是在系动词are 的后面;构成系表结构are close..Closely是一个副词;副词通常不能和许系动词连用构成系表结构的..9. 答案our改为your试题解析句义：我们很欣赏你的歉意..根据后面的you可知对方是来道歉的..10. 答案figure后面加out试题解析固定搭配figure out找到;算出..我们希望你能够找到一个解决问题的好方法..1.答案wanted后面加to试题解析固定搭配want to do sth想要做某事；to是不能省略的;不定式to do sth作为want的宾语..2. 答案come改为came试题解析根据本文第一句可知讲述的是过去发生的事情;所以使用一般过去时;所以使用came..3. 答案have改为having试题解析本句中动词have与句子主语we构成逻辑上的主动关系;所以使用现在分词在句中做状语..4. 答案immediate改为immediately试题解析本句中应该使用副词immeately来修饰谓语动词jumped;在句中做状语..形容词immediate不能做状语..5. 答案on改为at试题解析固定搭配shoot..at…不能使用介词on..At表示瞄准的对方或者方向..6. 答案Neither改为none试题解析代词neither表示两者都不…；而本句中没有提及两者;应该是有很多的鸟..故使用none表示三者或者三者以上的全部否定..7. 答案was改为were试题解析本句的主语是复数名词arrows;所以谓语动词使用复数形式were..8 答案去掉were或者looked试题解析本句是指箭如雨下;要么使用look like看起来像..；要么使用be like…像…一样..9. 答案but改为and试题解析我们四处逃跑;很幸运的是没有人受伤..根据上下文语境可知表示并列关系..10. 答案a改为an试题解析后面的形容词impressive是以元音开始的;所以使用an..。
非限定性定语从句
非限制性定语从句非限制性定语从句的作用是对所修饰的成分作进一步说明，通常是引导词和先行词之间用逗号隔开，将从句拿掉后其他部分仍可成立1. which引导的非限定性定语从句作用是说明前面整个句子的情况或主句的某一部分2.当先行词是专有名词、物主代词或指示代词所修饰时，其后的定语从句通常是非限制性的，例如：Charles Smith, who was my former teacher, retired last year.查理·史密斯去年退休了，他曾经是我的老师。
My house, which I bought last year, has got a lovely garden.我去年买的的那幢房子带着个漂亮的花园。
This novel, which I have read three times, is very touching.这本小说很动人，我已经读了三遍。
3.非限定性定语从句可将整个主句作为先行词, 对其进行修饰, 这时从句谓语动词要用第三人称单数，例如：He seems not to have grasped what I meant, which greatly upsets me.他似乎没抓住我的意思，这使我心烦。
Liquid water changes to vapor, which is called evaporation. 液态水变为蒸汽，这就叫做蒸发。
4.有时as也可用作关系代词5. 在非限定性定语从句中，不能用关系副词why和关系代词that，而用who, whom代表人，用which,whose代表事物，如果需要用why，可用for which代替.；p.s: which引导的非限制性定语从句其后不可省略成分，as可以关系代词引导的定语从句who指人在从句中做主语(1) The boys who are playing football are from Class One. 在踢足球的男孩们是一班的.(2) Yesterday I helped an old man who lost his way. 昨天，我帮助了一个迷路的老人.whom指人,定语从句中充当宾语，常省略。
中的非限定性定语从句的位置
中的非限定性定语从句的位置非限定性定语从句是英语语法中的一种修饰结构，用于对前面的名词进行补充说明。
在句子中，非限定性定语从句通常被逗号隔开，可以放在句子的开头、中间或结尾，只是其位置的不同会影响到句子的语义重心。
在句子开头放置非限定性定语从句时，可以起到强调的作用。
比如：例句1：Having finished his work, John went for a walk in the park.（约翰完成了工作后，去公园散步。
）例句2：After winning the championship, the team celebrated their victory.（在赢得冠军后，球队庆祝了他们的胜利。
）在句子中间放置非限定性定语从句时，可以起到插入说明的作用。
比如：例句3：The book, which was written by a famous author, became a bestseller.（这本书是由一位著名作家写的，成为了畅销书。
）例句4：My sister, who is studying abroad, sends me postcards every month.（我妹妹正在国外留学，她每个月都会给我寄明信片。
）在句子结尾放置非限定性定语从句时，可以起到总结的作用。
比如：例句5：He couldn't attend the meeting, which was a pity.（他没能参加会议，真是遗憾。
）例句6：They had a great time at the party, which lasted until midnight.（他们在派对上玩得很开心，派对一直持续到午夜。
）通过以上例句可以看出，非限定性定语从句放置的位置不同会产生不同的语义效果。
根据句子的整体结构和表达意图，可以选择最合适的位置来安排非限定性定语从句。
总之，无论是放在句首、句中还是句尾，非限定性定语从句都应该逗号隔开，并且与主句之间应该有逻辑上的关联，以确保句子的通顺和表达的准确性。
限制性定语从句与非限制性定语从句
∙非限制性定语从句的概念：非限制性定语是对被修饰名词或代词的附加说明，它不是必需的，如果去掉，也不会影响句子的意思，它与被修饰名词之间通常用逗号分开。
如：The travellers, knowing about the floods, took another road. 游客们知道发了大水，都改道走了。
The boys, wanting to play football, were disappointed when it rained. 那些男孩子想踢足球，因为下雨感到失望。
∙非限制性定语从句用法：1、引导非限定性定语从句时，只能用which(不用that)。
例如：Heat is another form of energy, which is as important as other kinds of energy.热是另一种形式的能量，与其他形式的能量一样重要。
（从句表补充说明，而且关系代词which不能换成that。
）2、引导非限定性定语从句的which可以指代前面的先行词,也可以指前面整个句子的含义。
例如：That Peter will marry Alice, which has not been announced yet, has spread around.彼特要娶爱丽斯这件事还没宣布，却已传得沸沸扬扬。
（句子中的which指“彼特要娶爱丽斯”这整个句子的意思。
）3、除which外，还可用when，where，who等关系代、副词引导非限定性定语从句。
例如：After graduation, I decided to stay in Chongqing, where I spent my childhood and four years of college life.毕业后，我决定留在重庆，在那里我曾度过了我的童年和四年大学生活。
Albert Einstein left Germany for the United States during World WarII, when Jews were badly treated in Germany.第二次世界大战期间，爱因斯坦离开德国去了美国，那时犹太人在德国受到不好的对待。
非限制性定语从句
非限制性定语从句非限制性定语从句起补充说明作用，缺少也不会影响全句的理解。
在非限制性定语从句的前面往往有逗号隔开，如The house,which I bought last year,has a lovely garden. 我去年买的的房子带着个漂亮的花园。
This novel, which I have read three times, is very touching. 这本我已经读过三遍的小说很感人。
3. 非限定性定语从句可将整个主句作为先行词,对其进行修饰, 这时从句谓语动词要用第三人称单数，例如：He seems not to have grasped what I meant, which greatly upsets me.他似乎没抓住我的意思，这使我心烦。
Liquid water changes to vapor, which is called evaporation. 液态水变为蒸汽，这就叫做蒸发。
4. 有时as也可用作关系代词5. 在非限定性定语从句中，不能用于在从句中做主语（1）The boys who are playing football are from Class One. 在踢足球的男孩们是一班的。
（2）Yesterday I helped an old man who lost his way. 昨天，我帮助了一个迷路的老人。
限制性定语从句和非限制性定语从句的区别：上述定语从句都是我们已经学过的限制性定语从句。
所谓限制性定语从句，是指定语从句部分对先行词起限制、修饰的作用，关系代词有that, which, whom, who, whose以及关系副词when, where, why等，没有逗号把从句与先行词分开。
限制性定语从句是先行词不可缺少的部分，去掉它主句意思往往不明确。
Do you know the professor who is speaking at the meeting?你认识那个正在会上讲话的教授吗？Where is the book which I bought this morning?我今天上午买的书在哪儿呢？此外，还有一类非限制性定语从句，非限制性定语从句是先行词的附加说明，去掉了也不会影响主句的意思，它与主句之间通常用逗号分开。
非限定性定语从句
非限定性定语从句1. which引导的非限定性定语从句来说明前面整个句子的情况或主句的某一部分，that 不能用于引导非限制性定语从句例如: Her house,which was built a hundred years ago,stood still in the earthquake.(那座房子在地震中依然耸立，它是一百多年前建造的。
)2. 有时as也可用作关系代词3. 在非限定性定语从句中，用who, whom 代表人，用which代表事物。
4.当先行词是专有名词或物主代词和指示代词所修饰时，其后的定语从句通常是非限制性的。
例如：Charles Smith, who was my former teacher, retired last year. 查理·史密斯去年退休了，他曾经是我的老师。
My house, which I bought last year, has got a lovely garden. 我去年买的的那幢房子带着个漂亮的花园。
This novel, which I have read three times, is very touching. 这本小说很动人，我已经读了三遍。
5.非限制性定语从句还能将整个主句作为先行词, 对其进行修饰, 这时从句谓语动词要用第三人称单数，例如：He seems not to have grasped what I meant, which greatly upsets me. 他似乎没抓住我的意思，这使我心烦。
Liquid water changes to vapor, which is called evaporation. 液态水变为蒸汽，这就叫做蒸发。
非限制性定语从句只是对主句内容，或先行词的补充、解释或附加说明。
主句与先行词或从句之间一般用逗号分开，常常单独翻译。
没有它，主句意思仍然完整。
引导非限制性定语从句的关系代词有as，which，who， whom，whose等，作定语从句的主语、宾语、表语及定语。
小学语文非限定性定语从句语法归纳
小学语文非限定性定语从句语法归纳
1. 非限定性定语从句的定义
非限定性定语从句是修饰名词或代词的从句，在语法上与主句
相对独立，一般用逗号隔开。
非限定性定语从句通常用于补充说明、解释或插入附加信息。
2. 非限定性定语从句的结构
非限定性定语从句的结构由引导词和从句组成。
常用的引导词有：which，who，whom，whose，when，where等。
3. 非限定性定语从句的例句
以下是一些常见的非限定性定语从句的例句：
- My brother, who is a doctor, lives in New York.
（我的哥哥，他是一名医生，住在纽约。
）
- The book, which was written by Mark Twain, is very interesting.
（这本书是由马克·吐温写的，很有趣。
）
- The girl, whose father is a famous actor, won the talent show.
（那个女孩的父亲是一位著名演员，她赢得了才艺表演。
）
4. 非限定性定语从句的注意事项
在使用非限定性定语从句时，需要注意以下几点：
- 非限定性定语从句通常用于补充信息，不影响主句的语义完整性。
- 非限定性定语从句的引导词不可省略，且引导词和名词或代词的关系应清晰。
- 非限定性定语从句用逗号和主句隔开，使从句与主句有一定的独立性。
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