中考英语专题复习连词(共10页).doc
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1、精选优质文档-倾情为你奉上中考英语专题复习连词第六章 连词二、考点跟踪解读 1对连接同等的词、词组或分句的and, but, or, for, neithernor, eitheror, bothand, not onlybut also等并列连词的考查。2对引导名词性从句或状语从句的when, if, that, because, until, although等从属连词基本用法的考查。 3几组容易混淆的连词或词组。三、要点精讲全解连词是一种虚词,用于连接单词、短语、从句或句子,在句子中不单独用作句子成分。连词按其性质可分为并列连词和从属连词。并列连词用于连接并列的单词、短语、从句或句子,如
2、and, but, or, for等;从属连词主要引出名词性从句(主语从句、宾语从句、表语从句等)和状语从句(时间状语从句、条件状语从句、目的状语从句等),引出名词性从句的连词如that, whether等,引出状语从句的连词如when, because, since, if 等。(一)并列连词1. 表示并列关系的并列连词。这类连词主要有 and , or , bothand, eitheror , neithernor , not onlybut also等。 (1)and and 用来连接语法作用相同的部分,即名词与名词、不定式与不定式等。祈使句and简单句,这种结构祈使句相当于一个if
3、条件从句,而且and 后面通常表示肯定的结果;祈使句or简单句, or 后面表示否定的意义。如: Work hard, and youll pass the exam.If you work hard, youll pass the exam.努力学习,你将考试及格的。Hurry up, or youll be late. =If you dont hurry up, youll be late. 快点,否则你将迟到的。(2)or or 有两个词义,可当“还是”,还可以当“否则”将。Which do you prefer, yellow, blue or red? 你喜欢哪一种,黄的、蓝的还是
4、红的?Be careful, or youll hurt yourself. 小心点,否则伤着自己。 (3)both.and bothand 既又,可以连接并列的主语、谓语、宾语或表语等。当连接主语时,谓语动词要用复数形式。变为否定句时,要把bothand变为neithernorBoth Tom and Jerry are going to the cinema. Tom和Jerry两人都想去看电影。(4)either or,neithernor,not onlybut also either or 或者或者neithernor 既不,也不not onlybut also 不但而且。这三个并列
5、连词,如果连接主语时,谓语动词要遵循就近原则。即和靠近谓语动词最近的主语保持一致。如:Either Mary or her parents are going by bus. Mary 或她父母亲中,有人坐车去。Neither the students nor the teacher was hurt in the accident. 学生和老师在这次事故中都没有受伤。Not only he but also his parents are very kind to me. 不仅他而且他的父母对我都很客气。2. 表示转折关系的并列连词。这类连词主要有 but, yet, while等。(1)b
6、ut “但是”,连接句子表示转折。不能与though/although连用。He tried hard, but he was unsuccessful.他尽了力,但未成功。Someone borrowed my pen, but I dont remember who. 有人借我的笔,但我不记得是谁了。(2)yet“然而、可是”,表示转折关系的连词。如:He lied to me, yet I still believe him. 他对我撒谎,然而我还是相信他。He studied hard yet he failed. 他学习努力,可是考试仍未及格。(3)while“然而”,用来连接前后结
7、构相同但意思相反的句子。如:I like to play computer games while my brother doesnt.我喜欢打电子游戏,然而我的哥哥不喜欢。3.表示因果关系的并列连词。这类连词主要有 for, so 等。如:(1)for 在表示“因为”的时候,for 不可以放在句首,而且之前必须由逗号。如:They must be good friends, for they are always together.他们一定是好朋友,因为他们总是在一起。The day breaks, for the birds are singing. 天亮了,因为鸟儿开始唱歌了。(2)so
8、“所以”,不能与because 连用。在英语中用了because 就不能用so; 用了so,也不能用because。The child had a bad cough, so his mother took him to the doctor. 这孩子咳嗽得厉害,所以他妈妈带他去看病。(二)从属连词的用法1. 引导时间状语从句的 after, before, when, while, until, till, since, as soon as 等。 (1) 由when, after, before, as soon as, till, until引导的时间状语从句,一般主从句时态一致,但是当
9、主句用一般将来时,从句应该用一般现在时表示将来。I will tell you after they leave. 于他们走后我再告诉你。Ill telephone you as soon as I get there. 我一到达那里就打电话给你。When I went into the classroom, he was reading. 当我走进教室时,他正在看书。I waited till/until she was back. 我一直等到她回来。He read a newspaper as he went along. 他边走边看报纸。Dont get off the bus unti
10、l it stops. 等车停稳后才下车。(2)与since 从句搭配的主句的时态通常是现在完成时态。He has lived here since 1999. 自1999年以来,他就一直住在这儿。Where have you been since I last saw you? 自我上次见到你之后你到哪里去了?(3) while引导的时间状语从句的谓语动词必须是延续性的,并且强调主句和从句的动作同时发生或者相互对应。如:It began to rain while I was watching TV. 当我看电视的时候,天开始下雨。While my wife was reading the
11、newspaper, I was watching TV.我妻子看报纸的时候,我在看电视。2. 引导条件状语从句的 if, unless 等。引导条件状语从句的从属连词有if, unless (=ifnot如果不,除非), 条件状语从句也遵循“主将从现”。Do you mind if I open the window? 我开窗你不介意吧?I will go there tomorrow unless it rains.(=if it doesnt rain)除非下雨,否则我明天要去那儿。3. 引导原因状语从句的 because, as, since 等。because引导的原因状语从句一般放
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