2023年高中英语语法定语从句教案及练习.docx
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1、2023年高中英语语法定语从句教案及练习 高中英语语法-定语从句 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。 18.1 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致。 1)who, whom, that 这些词代替的先行词是人的名词或代词,在从
2、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 saw 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, 若指物,它还可以同of which互换)。例如: They rushed over to help the man whose car had broken down.那人车坏了,大家都跑过去帮忙。 Please pa me the book
3、whose (of which) cover is green.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 which / that had never been seen before appears in the countryside. 农村出现了前所未有的繁荣。(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
4、中作宾语) 18.2 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.北京是我的出生地。 Is this the reason why (for which) he refused our offer
5、? 这就是他拒绝我们帮助他的理由吗? 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that常被省略。例如: His father died the year (that / when / in which) he was born.他父亲在他出生那年逝世了。 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。 及物动词和不及物动词 A 有些
6、动词只是及物动词; 它们不可以单独用,后面必须跟宾语。 False: They always want after lunch.Right: They always want a cup of tea after lunch. False: He is sending now.Right: He is sending a letter now. B 有些动词只是不及物动词;它们可以单独用,如果后面想接宾语,动词后面必须加上介词。 - 1 18.6 as, which 非限定性定语从句 由as, which 引导的非限定性定语从句,as和which可代整个主句,相当于and this或and t
7、hat。As一般放在句首,which在句中。例如: As we know, smoking is harmful to ones health.如我们所知,吸烟有害健康。 The sun heats the 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 bo, _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
8、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 could expect. A.what B.which C.that D.it 答案B。which可代替句子,用于非限定性定语从句,而what不可。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.that B.which
9、 C.as D.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。但不同之处主要有两点: (1)as 引导的定语从句可置于句首,而which不可。 (2) as 代表前面的整个主句并在从句中作主语时,从句中的谓语必须是系动词;若为行为动词,则从句中的关系代词只能用which.。在本题中,prevent由于是行为动词,所以正确选项应为B。 as 的用法 例1.the sameas;suchas 中的as 是一种固定结构, 和一样。例如: I have got into the same trouble as he
10、(has).我碰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 harmful to ones health.如我们所知,吸烟有害健康。 As is known, smoking is harmful to ones health. 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。 18.7 先行词和关系词二合一 1) Whoever spits in public will be punished here.(Whoever 可以用 anyone who 代替) 2) T
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