内容正文:
2024中考英语语法复习 知识清单 典型例题 定语从句 专题复习
知识清单
1、 定语从句的概念
概念:在句中作定语的句子,它修饰一个名词或代词,相当于形容词,所以又称为形容词性从句。这个被修饰的名词、代词叫做先行词。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。
定语从句的引导词:关系代词有:who, whom, whose, that, which等。
关系副词有:when, where, why等
2、 定语从句的知识点
知识点一: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致。
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。
e.g. 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)。
e.g. 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 pass me the book 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。
e.g. 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)
知识点二: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。
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。
e.g.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。
知识点三:判断关系代词与关系副词
1.用关系代词,还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,就必须要求用关系代词;而不及物动词则要求用关系副词。
e.g. This is the mountain village where I stayed last year. 这是我去年呆过的山村。
I'll never forget the days when I worked together with you.我永远不会忘记与你共事的日子。
2.准确判断先行词在定语从句中的成分(主、谓、宾、定、状),也能正确选择出关系代词/关系副词。
知识点四:限制性和非限制性定语从句
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可缺少的部分,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。
e.g. This is the house which we bought last month. 这是我们上个月买的那幢房子。(限制性)
The house, which we bought last month, is very nice.
这幢房子很漂亮,是我们上个月买的。(非限制性)
2.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。
e.g. 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。
3.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。
e.g. He seems not to have grasped what I meant, which greatly upsets me.