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初中英语语法考点专项讲练 part 7 连词和感叹词
7-1 连词
凡用来连接词、短语、从句或句子的词叫连接词,简称连词。连词是 虚词,在句子中不重读,也不能单独作为句子成分。
连词有两种分类方式。按构成方式,可分为简单连词、短语连词和 关联连词3种;按语法功能,可分为并列连词和从属连词。
1.并列连词
并列连词用来连接并列的词、短语和句子。按其作用可分为以下4 种 :
(1)表示联合关系的连词有 and, both..and, either...or, neither... nor, not only...but also, as well as 等。例如:
She was not only pretty but also clever. 她不仅漂亮而且聪明。
Neither she nor I am a worker. 我和她都不是工人。
(2)表示转折关系的连词有 but, yet, however, while (而) , not...but 等。如:
This is a small woman while that is a big man. 这是一位身材矮 小的女人而那位是大块头男人。
She's only 4 years old, yet she can speak good English. 她 仅 4
岁,然而却能讲流利的英语。
(3)表示选择关系的连词有 or, either...or (不是 … … 就是) , or else (否则), otherwise等。如:
Hurry up, or you will not catch the early bus. 快一点,否则你就 赶不上早班车。
(4)表示因果关系的连词有 for, then, so, therefore 等。如:
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You'd better put on your coat, for it's very cold outside. 你最好 穿上大衣,外面很冷。
2.从属连词
从属连词主要用来连接各种从句。主要用法如下:
(1)引导主语从句、宾语从句、表语从句或同位语从句的从属连词只 有 if, whether, that 3个。如:
The problem is whether they can finish the work in time. 问题是 他们是否能及时完成这项工作。
Do you know if they will go to the park tomorrow? 你知道他们 明天到公园去吗?
(2)引导状语从句的连词较多,现分述如下:
①引导时间状语从句的连词有 as, before, when, after, till, until, as soon as, while, since, once, whenever, ever since等。如:
It's ten years since we moved there. 我们搬到那里已住10年了。
I'll write to you as soon as we get there. 我们一到那里我就写信 给您。
②引导地点状语从句的连词有 where, wherever 等。如:
Wherever she goes, she can make many friends. 无论她走到哪 里,都能交到许多朋友。
③引导原因状语从句的连词有 as, since, because, now that 等。 如 :
I came here late because there's something wrong with my alarm clock. 因为闹钟坏了,所以我迟到了。
Now that you have finished the work, you may go home now. 既 然工作已经完成了,你现在可以走了。
④引导条件状语从句的连词有 if, unless, once, in case, as long as 等。如:
I'll go to the country with you if it doesn't rain tomorrow. 如果 明天不下雨,我就和你一道到农村去。
⑤引导让步状语从句的连词有 as, though, even if, even though,
however, although等 。
Although she was hungry, she went on working.
尽管她很饿,但她继续工作。
⑥引导比较状语从句的连词有 as, as.......as, so…as, more...than, less...than, than, the...the … 等。如:
He studies harder than I. 他比我学习更努力一些。
⑦引导目的状语从句的连词有so that, in order that, that 等。如:
Please speak louder so that everybody can hear you. 请你大声 点,以便每个人都能听见。
⑧引导结果状语从句的连词有 so..that, such...that 等。如:
I'm so hungry that I can't stand. 我太饿了,我都站不住了。
She is such a lovely girl that all of us like her.
她是如此可爱的 小女孩,我们大家都喜欢她。
⑨引导方式状语从句的连词有as, as if, as though等。如:
It looks as if it's going to rain. 看上去快下雨了。
3.部分连词用法辨异
(1)and, but
and 和 but 都是连词,and 的意思是“和”, 表示前后两成分之间的并 列关系。如:
a pen and a ruler 一 枝钢笔和 一 把直尺
(连接两个名词,意思为 “和”)
I study hard and get a good mark. 我努力学习,取得了好成绩。 (连接两个动词,表示这两个动作是顺承关系)
but 的意思是“但是”, 表示前后两成分之间的转折关系。如:
I like bananas but she likes apples. 我喜欢香蕉,而她喜欢苹果。
He likes movies but he doesn't like operas. 他喜欢电影,但不喜 欢歌剧。
(连接两分句,表示转折)
She is young but knows a lot. 她年轻,但懂的很多。(连接两谓 语,表示转折)
[ 注 ] and 一般用于肯定句,在否定句中,否定两个或两个以上的
并列成分时,用or 连接。用or 时,后面不能再用not 。 如 :
He isn't a doctor or a teacher. 他不是医生,也不是教师。
此句可改写为:He isn't a doctor and he isn't a teacher, either.
(2)when, while, as soon as
①when 表示两个动作一先一后地进行,它可以用来指时间点,也 可表示一段时间。如:
Tom was singing when I came in. 当我进来时,汤姆正在唱歌。
②while 表示两个动作同时进行,它不能表示时间的某一点。如:
I waited for a bus at the bus stop while I was reading. 我一边看 书一边在公共汽车站等车。
③as soon as 表示两个连续进行的动作,意思是“一……就……”。
如 :
I will tell you the news as soon as you come back. 你一回来我就 把这个消息告诉你。
(3)because, for, since, as
①because 表示原因和理由,强调直接的因果关系,用来回答由 why 引起的疑问句。它所引导的原因状语从句通常放在主句之后。如:
I went home late because I was very busy. 因为我很忙,所以我 回家迟了。
②for 表示间接的原因和理由。 for 引导的句子是并列句,它从不 放在另一分句的前面。如:
This book is very new, for I've just bought it. 这本书很新,因为 这是我刚买的。
③since 表示原因时比 because 弱,但比 as 强,它一般不表示根本 或直接的原因,而是一种已知的、显然的理由。当作“既然”讲时,引导的 从句常放在句首。如:
Since you can't do it well, we will ask the others to do it. 既然你 做不好这个,我们将找别人来做。
④as 表示原因时意义最弱,所说的原因只是附带提一下,不能用来 回答why引导的疑问句。如:
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We'd better not go there as it is too late. 天太晚了,我们最好不 去那里了。
(4)either….or...
表示“或者……或者……”, 即“非此即彼”;若连接两个主语时,谓语 动词的数遵循“就近原则”。
Come either today or tomorrow.今天或明天来。
Either you or I am going to attend the meeting.你或者我去参加这 个会议。
(5)neither...nor...
表示“既不……也不 …… ”。当连接两个对等成分在句中作主语时, 谓语动词的数遵循“就近原则”, 即由nor 后面的名词或代词而定。如:
She could neither speak French nor write it.
她既不会写也不会说 法语。
Neither I nor he has seen the play.他和我都没看过这场戏。
(6)not only...but(also). … .
意为“不但 … … 而且 … … ”, 在句中常用来连接两个对等的成分, also 可以省略。如:
He is learning not only English but(also)French.他不但在学英 语,还在学法语。
She speaks Russian not only in class but(also)at home. 她在课堂 上和家里都说俄语。
(7)both..and...
表示“既……又……, (两者)都 … … ”, 用来连接两个对等的成分。 如 :
While I was in university, I learned both English and Japanese. 我 在上大学时学过英语和日语。
(8)as well as
表示“也”。如:
I have read one of his novels as well as a few of his plays. 我读过
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他的一部小说和一些剧本。
(
巩固练习15
)
I. 单项选择。
1.Tom teaches us English, we teach him Chinese.
A.or B.and C.but D.as
2.As a student, he must know what why.
A.so;that B.either;or
C.both;and D.and;or
3.Hurry up, you'll be late for class.
A.and B.or C.so D.but
4.My mom was cooking I left home.
A.when B.while C.as soon as D.until
5.The weather here changes very quickly in summer.We can't tell it will rain the next day.
A.that B.what C.how D.if
6.I like thrillers documentaries.
A.but B.and C.to D.for
7.Li Lei comedies he doesn't like Beijing Opera.
A.likes;and B.like;and C.likes;but D.like;but
8.What's that?Go see, Peter.
A.or B.but C.as D.and
9.He works hard, he doesn't do well in his lessons.
A.and B.so C.or D.but
10.Mike is English he Chinese history.
A.but;likes B.but;like C.and;likes D.and;like
Ⅱ.根据汉语提示完成下列句子。
1. (既然大家都在这儿), let's begin our work.
2. (虽然天气很热), they still worked hard.
3.Tom asked Li Lei (他是否给吉姆写信了).
4.We have learnt more than twenty English songs (自从我们学习英语以来).
5.We didn't go to bed (直到我们做完家庭 作业).
7-2 感叹词
用来表示说话人的喜、怒、哀、乐等情感的词叫感叹词。它在句中充 当独立成分。感叹词常放在句首,如表达强烈的情感时可接感叹号。常 见的感叹词有 oh, ah, aha, come, eh, hello, dear, well, why, hush, hey,
hooray, hmm, hi, mm 等。如:
Ah ! I've never heard of such good news. 啊 ! 我从未听到过这 样的好消息。
Well ! How can that be? 哎呀 ! 怎么会有这样的事?
Oh, dear ! Why are you so late? 天哪 ! 你为什么来得这样晚啊?
Dear me ! What should I do? 天啊 ! 我该怎么办啊?
Hush ! Our teacher is coming. 嘘 ! 老师来了 !
练习参考答案及解析
(
巩固练习15
)
I.1.B 2.C 3.B 4.A 5.D 6.B 7.C 8.D 9.D 10.A
Ⅱ.1. Since everyone is here 2. Although it was very hot 3. whether/if he had written to Jim 4. since we began to learn English 5.until we finished our homework
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