2022年定语从句教师用讲义.docx
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1、精选学习资料 - - - - - - - - - 读书之法 ,在循序而渐进 ,熟读而精思高中英语语法 -定语从句专项讲解及练习定语从句是高中重点学问,也是高考常考点,大家也不简单把握,这篇文章主要教你关系代词引导的 定语从句,关系副词引导的定语从句,判定关系代词与关系副词限制性和非限制性定语从句等内容,有例 题讲解;定语从句在句中做定语,修饰一个名词或代词,被修饰的名词词组或代词即先行词;定语从句通常出 现在先行词之后,由关系词(关系代词或关系副词)引出;关系代词有: who, whom, whose, that, which 等;关系副词有: when, where, why 等;定语从句中
2、的关系词有两个作用,一是形式上,引导定语从句;二是意义上,代替先行词在从句中做 某种成分;这是懂得定语从句和其他从句的关键;一、关系代词引导的定语从句 关系代词所代替的先行词是人或物的名词或代词,并在句中充当主语、宾语、定语等成分;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样;1)who, whom, that 这些词代替的先行词是人的名词或代词,在从句中作主语和宾语;例如:Is he the man who/that wants to see you. 他就是你想见的人吗?(who/that 在从句中作主语)He is the man whom/ that I s
3、aw yesterday. 他就是我昨天见的那个人;(whom/that 在从句中作宾语)2)whose 用来指人或物,(只用作定语 , 如指物,它仍可以同 of which 互换); 例如:They rushed over to help the man whose car had broken down. Please pass me the book whose (of which ) cover is green.那人车坏了,大家都跑过去帮忙;请递给我那本绿皮的书;3)which, that 所代替的先行词是事物的名词或代词,在从句中可作主语、宾语等;例如:A prosperity w
4、hich / that had never been seen before appears in the countryside. 农村显现了前所未有的富强;(which / that 在句中作宾语)The package (which / that )you are carrying is about to come unwrapped. 你拿的包快散了; (which / that 在句中作宾语)二、关系副词引导的定语从句关系副词可代替的先行词是时间、地点或理由的名词,在从句中作状语;1)关系副词 when, where, why 的含义相当于 介词 + which 结构,因此常常和 介
5、词 + which 结构交替使用; 例如:There are occasions when (on which ) one must yield.任何人都有不得不屈服的时候;Beijing is the place where (in which ) I was born. 北京是我的诞生地;Is this the reason why (for which ) he refused our offer.这就是他拒绝我们帮忙他的理由吗?2)that 代替关系副词, 可以用于表示时间、地点、方式、理由的名词后取代 when, where, why 和 介+which引导的定语从句,在口语中 th
6、at 常被省略;例如:His father died the year (that / when / in which ) he was born.他父亲在他诞生那年逝世了;He is unlikely to find the place ( that / where / in which ) he lived forty years ago. 他不大可能找到他四十年前居住过的地方;特别是当先行词为 way 和 reason 时,引导定语从句的关系词通常都省略;如:This is the reason why,for whichI did it. I couldn t agree with t
7、he way that,in whichshe talked to her parents. 三、判定关系代词与关系副词方法一:用关系代词,仍是关系副词完全取决于从句中的谓语动词;及物动词后面无宾语,就必需要求用关系代词;而不及物动词就要求用关系副词;例如:This is the mountain village where I stayed last year. 这是我去年呆过的山村;Ill never forget the days when I worked together with you. 我永久不会遗忘与你共事的日子;判定改错:名师归纳总结 - - - - - - -第 1 页,
8、共 10 页精选学习资料 - - - - - - - - - 读书之法 ,在循序而渐进 ,熟读而精思(错)This is the mountain village where I visited last year. (错)I will never forget the days when I spent in the countryside. (对)This is the mountain village (which ) I visited last year. (对)Ill never forget the days (which ) I spent in the countryside
9、. 习惯上总把表地点或时间的名词与关系副词where, when 联系在一起;此两题错在关系词的误用上;方法二:精确判定先行词在定语从句中的成分(主、谓、宾、定、状),也能正确挑选出关系代词/关系副词;例 1. Is this museum _ you visited a few days age. A. whereB. thatC. on whichD. the one 例 2. Is this the museum _ the exhibition was held. A. where B. that C. on which D. the one 例 1 变为确定句:This museum
10、 is _ you visited a few days ago. 例 2 变为确定句:This is the museum _ the exhibition was held. 在句 1 中,所缺部分为宾语,而 where, that, on which 都不能起到宾语的作用,只有 the one 既做了主句的表语,又可做从句的宾语,可以省略关系代词,所以应选 D;而句 2 中 , 主、谓、宾俱全,从句部分为句子的状语表地点,既可用副词 where,又因 in the museum词组,可用介词 in + which 引导地点状语;而此题中,介词 on 用的不对,所以选 A ;关系词的挑选依
11、据在从句中所做的成分,先行词在从句中做主、定、宾语时, 挑选关系代词 (who, whom, that, which, whose );先行词在从句中做状语时,因状语);四、限制性和非限制性定语从句应挑选关系副词 (where 地点状语, when 时间状语, why 原1)定语从句有限制性和非限制性两种;限制性定语从句是先行词不行缺少的部分,去掉它主句意思往往不 明确;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; 例如:This is the house which we bought last month. 这是我们上个月买的那幢房子;(限制
12、性)The house, which we bought last month, is very nice. 这幢房子很美丽,是我们上个月买的;(非限制性)2)当先行词是专出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美丽的花园;This novel, whi
13、ch I have read three times, is very touching. 这本小说很动人,我已经读了三遍;3)非限制性定语从句仍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.他好像没抓住我的意思,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;说明:关系代词 that 和关系副词 why 不能
14、引导非限制性定语从句;五、介词 +关系词1)介词后面的关系词不能省略;2)that 前不能有介词;3)某些在从句中充当时间,地点或缘由状语的 介词 +关系词 结构可以同关系副词when 和 where 互换;例如 This is the house in which I lived two years ago. This is the house where I lived two years ago. 这是我两年前住过的房子;Do you remember the day on which you joined our club. 仍记得你加入我们俱乐部的那一天吗?Do you rememb
15、er the day when you joined our club. 名师归纳总结 六、 as, which 非限定性定语从句as和 which 可代整个主句,相当于and this 或 and that; As由 as, which 引导的非限定性定语从句,一般放在句首,which 在句中 ;例如:第 2 页,共 10 页- - - - - - -精选学习资料 - - - - - - - - - 读书之法 ,在循序而渐进 ,熟读而精思As we know, smoking is harmful to ones health. 如我们所知,吸烟有害健康;The sun heats the
16、earth, which is very important to us. 太阳使地球暖起来,这对我们人类很重要;典型例题1)Alice received an invitation from her boss, _came as a surprise. A. it B. that C. which D. he 答案 C. 此为非限定性从句,不能用 that 修饰,而用 which. ,it 和 he 都使后句成为句子,两个独立的句子不能单以逗号连接;况且选 he 句意不通;2)The weather turned out to be very good, _ was more than we
17、 could expect. A. whatB. whichC. thatD. it 答案 B;which 可代替句子,用于非限定性定语从句,而what 不行; That 不能用于非限定性定语从句,it 不为连词,使由逗号连接的两个句子并在一起在英语语法上行不通;3)It rained hard yesterday, _ prevented me from going to the park. A. thatB. whichC. asD. it 答案 B. as 和 which 在引导非限制性定语从句时,这两个关系代词都指主句所表达的整个意思,且在定 语从句中都可以作主语和宾语;但不同之处主要
18、有两点:( 1) as 引导的定语从句可置于句首,而 which 不行;( 2) as 代表前面的整个主句并在从句中作主语时,从句中的谓语必需是系动词;如为行为动词,就从句中的关系代词只能用which.;在此题中, prevent 由于是行为动词,所以正确选项应为B;as 的用法例 1. the same as; such as 中的 as 是一种固定结构, 和 一样 ;例如:I have got into the same trouble as he (has). 我遇到了跟他一样的麻烦;例 2. as 可引导非限制性从句,常带有 正如 ;例如:As we know, smoking is
19、harmful to ones health. As is known, smoking is harmful to ones health. 如我们所知,吸烟有害健康;As 是关系代词;例1 中的 as 作 know 的宾语;例2 中,它充当从句的主语,谓语动词know 要用被动式;七、关系代词 that 的用法1)不用 that 的情形a) 引导非限定性定语从句时;例如:(错) The tree, that is four hundred years old, is very famous here. b) 介词后不能用;例如: We depend on the land from whi
20、ch we get our food. 我们依靠土地获得食物;We depend on the land that/which we get our food from. 2) 只能用 that 作为定语从句的关系代词的情形a)当主句以 here,there 开头时; Here is the hotel that youve been looking for. There is a seat in the corner that is still not taken. b )在不定代词,如:everything,anything, nothing, the one, all, much, fe
21、w, any, little等作先行词时,只用 that ,不用 which. All that is needed is a supply of oil. 所需的只是供油问题; c )先行词有 the only, the very 修饰时,只用 that ; d )先行词为序数词、数词、形容词最高级时,只用 that ; It is the most important task that should be finished soon. 名师归纳总结 - - - - - - -第 3 页,共 10 页精选学习资料 - - - - - - - - - 读书之法 ,在循序而渐进 ,熟读而精思
22、e )先行词既有人,又有物时; We were deeply impressed by the teachers and schools that we had visited. f 先行词本身是 that 时,引导词须用 which. 如: Whats that which flashed in the sky just now. g 主句中有 who,which 等疑问代词时,为防止重复只用 that. Which is the T-shirt that fits me most. 八、分隔式定语从句(先行词与定语从句分别) 1、被介词短语分开;I have a painting by a
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