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第三讲定语从句定语从句必备知识[全析考法]Ⅰ.单句语法填空1．(2018·全国卷Ⅰ)Two of the authors of the review also made a study published in 2014 ________ showed a mere five to 10 minutes a day of running reduced the risk of heart disease and early deaths from all causes.解析：that/which 分析句子结构可知，空处引导定语从句，在定语从句中作主语，修饰先行词study，故填that/which。
2．(2018·全国卷Ⅱ)The Chinese Ministry of Agriculture finds that between 2005 —when the government started a soiltesting program________ gives specific fertilizer recommendations to farmers — and 2011, fertilizer use dropped by 7.7 million tons.解析：that/which 空处引导定语从句，并在从句中作主语，修饰“a soiltesting program”，先行词表示物，故用that或者which。
3．(2018·浙江高考)Many westerners ________ come to China cook much less thanin their own countries once they realize how cheap it can be to eat out.解析：who/that 先行词是Many westerners，指人，故用who/that 引导定语从句，并在从句中作主语。
定语从句语法知识精讲定语从句一、考点梳理。
1.考查which/who(m)引导的非限制性定语从句which引导非限制性定语从句，用以指代整个主句的内容，或主句中某个词或短语的内容。
【例】She brought with her three friends, none of I had ever met before.A. themB. whoC. whomD. these【答案】C【例】 By serving others, a person focuses on someone other than himself or herself,_____can be very eye-opening and rewarding.A. whoB.whichC.whatD.that【答案】B【解析】which在此引导非限制性定语从句，which在定语从句中作主语，表示前面所提到的情况。
【例】 Chan's restaurant on Baker Street,___________used to be poorly run, is now a successful business.A. thatB.whichC.whoD. where【答案】B【解析】which used to be poorly run为非限制性定语从句，其中的which指代前面的Chan's restaurant。
2.考查as引导的非限制性定语从句as也可指代整个主句的内容，但不同于which的是，它引导的定语从句既可以位于主句的前面，也可以位于主句的后面。
它的意思是“正如”，as在这些从句中作主语或宾语。
【例】____I explained on the phone, your request will be considered at the next meeting.A. WhenB.AfterC.AsD. Since【答案】C【解析】as引导非限制性定语从句，其意为“正如”。
高考英语一轮复习语法专题（二）定语从句------关系代词Attributive clauses一、什么是定语(attribute)？定义：定语是用来修饰名词或代词的句子成分。
He is an honest boy.We love our country.I know the girl in red.位置：单个的词作定语时，放在被修饰的名词前面；短语或从句作定语时，放在被修饰的词后面。
二、定语从句1.在复合句中，修饰某一名词或代词的从句叫做定语从句（句意：“……的”）2.被定语从句所修饰的名词或代词叫做“ 先行词”3.引导定语从句的词叫“关系词”。
He is an Chinese teacherwho likes singing songs.该句中，teacher 是先行词，who是关系代词，who likes singing songs 叫做定语从句三、定语从句的位置定语从句通常放在被修饰词之后。
四、定语从句中的关系词关系代词：who、whom、whose、which、that关系副词：where﹑when﹑why关系代词（who, whom, which, that, whose）的指代关系关系代词的三个作用:1. 引导定语从句。
2. 代替先行词。
3. 在定语从句中担当一个成分。
关系词：指人：who、that、whom 、whose指物：which、that、whose例：1.The girl is from America.I called her just now.我刚才叫的那个女孩来自美国。
→The girl (whom/that/whoI called just now ) is from America. whom/that/who代替the girl，作定语从句中的宾语2. They’re talking about the film.I have seen the film.他们正在讨论我看过的那部电影。
第9练定语从句基础巩固Ⅰ.单句语法填空1．AfterlivinginAustraliaformanyyears，Louisefinallyreturnedtothecountryshewasborn. 2．Anothersayingwhichhascomefromthefableis“Godhelpsthosehelpthemselves.”3．Hisintereststartedafewyearsago，hewasincollegeandstudyingwildlifescience. 4．Therearemanygoodwebsitesyoucancheckoutthelatestinthescienceworld. 5．Untilnow，wehaveraised3,000poundsforthepoorchildren，isquiteunexpected. 6．Wearelookingforwardtothedayourteamcanbeattheotherteaminthefinalmatch. 7．Acompanyprofitsfromhomemarketsaredecliningmayseekopportunitiesabroad. 8．Theoldprofessor，childrenarestudyingabroad，isleadinganactivelife. 9．Thehardworkinggirlwasadmittedtoakeyuniversity，wehadexpected. 10．Theoldscientist，wasborninShandong，hasmadeagreatachievementinhisfield. 11．It’sablacksquaresuitc ase，isjustasbigasaschoolbag. 12．MarycametoChinawithherparents，taughtEnglishinauniversity. 13．Ablogwillbeopenedonthewebsiteofourschool，aimstohelpstudentstocommunicatebetter.14．IhaveanAmericanfriend，Marianne，livesalonebuthasapetdog，Sparky. 15．AltogetherIhadfiveroommates，twoofarrivedlater.16．People’shealthisharmedoncetheytakeinthesegases，maycauseaseriesofdiseases. 17．Thedaybeforeyesterday，Iwenttothelargestbookstoreisnearourschooltobuyabook. 18．isoftenthecase，Sallylookedinherdiary，andsaidwecouldgettogetherforlunch.技法总结在语法填空中解答定语从句类题目，首先要找准先行词，分析句子结构以确定从句所缺的成分，如果缺少主语、宾语、表语或定语，引导词需要用关系代词；如果缺少状语，引导词则用关系副词。
第六讲定语从句1．who,whom和whose引导的定语从句(1)who或whom均可指代人，但who在从句中作主语或宾语，whom在从句中作宾语；两者在引导限制性定语从句时可用that替换。
作主语时，who/that不可省略；作宾语时，whom/who/that可以省略。
◆I’ve become good friends with several of the students in my school who/whom/that I met in the English speech contest last year.我与好几位去年在英语演讲比赛中结识的同校同学成了好朋友。
◆I have many friends to whom I’m going to send post cards.我有很多打算寄贺卡给他们的朋友。
◆The person I want to talk about with you is Tu Youyou, the one who won the Nobel Prize in Physiology or Medicine in 2015.我想与你讨论的人是屠呦呦，2015年获得诺贝尔生理学或医学奖的人。
(2)whose表所属关系，一般指人，也可指物，在从句中作定语。
指物时相当于of which; 指人时相当于of whom。
◆The school shop,whose customers are mainly students, is closed for the holidays.这家校内商店的主要顾客是学生，放假时商店关门。
关系代词在定语从句中作主语时，从句谓语动词的人称和数要和先行词保持一致。
◆Tom is the only one of the engineers who has come up with the solution.汤姆是想出解决方法的唯一工程师。
2．that,which引导的定语从句(1)which指物，在从句中可以作主语、宾语，也可作定语，作宾语时可以省略。
that 指人或物均可，在从句中可以作主语、宾语、表语，作宾语时可以省略。
◆She showed the visitors around the museum that/which had been constructed three years before.她带着这些游客参观了那座三年前建造的博物馆。
(2)限制性定语从句中，关系代词只用that不用which的情况：①先行词为不定代词anything, nothing, something, everything, all, some, none, little, few, the one等时。
◆I refuse to accept the blame for something that was someone else’s fault.我拒绝接受因别人的错误而对我进行的指责。
②先行词是形容词最高级或序数词，或先行词前有形容词最高级或序数词修饰时。
◆The first place that they visited in Guilin was Elephant Trunk Hill.他们在桂林参观的第一个地方是象鼻山。
③先行词被the only,the very,the last,the same,any,every,each,few,little,no, some，all等修饰时。
◆The only part of the meal that I really liked was the dessert. 这顿饭只有甜点是我真正爱吃的。
④先行词中既有表示人又有表示物的名词时。
◆They will never forget the things and persons that they’ve seen or heard of during their long journey.他们将永远不会忘记在他们的长途旅行中见到或听说过的人和事。
(3)关系词只用which而不用that的情况：①关系词引导非限制性定语从句时。
◆The boy was away from home for a week,which worried his parents very much.这个男孩离家一个星期了，这使他父母很担心。
②当从句中的介词提前，构成“介词＋关系代词”结构时。
◆We live in an age in which more information is available with greater ease than ever before.我们生活在一个信息比以前更容易获得的时代。
3．as引导的定语从句(1)as可以引导限制性定语从句，常用于“so/such/the same＋先行词＋as…”结构中。
◆Such machines as are used in our workshop are made in China. 像在我们车间使用的这种机器是中国制造的。
which引导定语从句代指前面整句话内容时只能位于主句之后。
◆(安徽高考)Mo Yan was awarded the Nobel Prize for Literature in 2012,which made one of the Chinese people’s longheld dreams come true.莫言被授予2012年诺贝尔文学奖，这使中国人长久以来拥有的梦想之一变成现实。
(2)as也可以引导非限制性定语从句，定语从句说明整个句子，可放在主句之前、之中或之后。
常用的这种类似插入语的句式有：as the saying goes,as is said above,as is mentioned above, as often happens, as is often the case, as is reported in the newspaper等。
◆She has been absent for the meeting again,as is expected.她又缺席会议了，这在预料之中。
[典例] (2015·全国卷Ⅰ语法填空)I’d skipped nearby Guilin,a dream place for tourists seeking the limestone mountain tops and dark waters of the Li River____________are pictured by artists in so many Chinese paintings.that/which解析：先行词为waters，且引导词在从句中作主语，故填that/which。
单句语法填空1．(2015·陕西高考)A salesman ____________ is not punctual may not make a sale if he arrives late for an appointment.who解析：关系词代替先行词salesman在定语从句中作主语，所以用关系词who引导定语从句，表示“不能守时的销售者”。
2．(全国卷Ⅰ)Maybe you have a habit ____________is driving your family crazy.that/which解析：先行词是a habit，引导词在定语从句中作主语，故填that或which。
3．(2017·福建龙岩质检)Tibet is such a place____________ all the people across the world are dreaming of visiting.as解析：句意：西藏是一个全世界所有的人都梦想游览的地方。
定语从句的先行词为a place，其前有such修饰，应用关系代词as引导。
4．(2016·江苏高考单项填空)Many young people,most of ____________ were welleducated, headed for remote regions to chase their dreams.whom解析：句意：很多年轻人都去了偏远地区追求自己的梦想，他们中大部分都受过良好的教育。
先行词为young people，指人，在定语从句中作介词of的宾语，故答案为whom。
5．(2015·四川高考单项填空)The books on the desk，____________ covers are shiny，are prizes for us.whose解析：句意：桌子上那些封面闪亮的书是为我们准备的奖品。
该句的主句是“The books are prizes for us.”。
此处whose引导的定语从句修饰限定先行词books；“封面(covers)”是那些书的，因此要用whose表示所属关系；此处的whose covers等于the covers of which。
1．where引导的定语从句where表示地点，在定语从句中作地点状语，相当于“介词in/at/on…＋which”。
◆(2015·北京高考单项填空)Opposite is St.Paul’s Church，where you can hear some lovely music.＝Opposite is St.Paul’s Church，in which you can hear some lovely music.对面是圣保罗大教堂，你们在那里能听到一些动听的音乐。
当先行词为situation, case, stage, point，activity, atmosphere等抽象名词，且引导词在定语从句中表示事情发生的情况、阶段等时，常用关系副词where引导。
◆They have reached the point where they have to separate with each other.他们已经到了必须分手的地步。
2．when引导的定语从句when表示时间，在定语从句中作时间状语，相当于“介词in/at/on/during…＋which”结构。
◆(湖南高考单项填空)I am looking forward to the day when my daughter can read this book and know my feelings for her.我正期盼着那一天的到来，那时我女儿可以读这本书，并且了解我对她的感情。
