英语连词的运用和区别有哪些
连词常见于复合句子中,单句之间或是主句与从句之间,常用连词衔接。以下是小编整理的关于连词的相关详解,希望能帮到你。
并列连词和连词短语
并列连词用来连接平行的词、词组或从句。常见的连词有and ,but ,or ,so ,both…and , either…or ,neither…nor , not only… but also 等。
1. and
1).and 表示 “和、且”在肯定句中连接并列的成分。
He is laughing and talking .
2).祈使句+ and …… , “and” 表示“那么”之意。= If……
Study hard , and you will succeed .= If study hard , you will succeed .
2. but
表示转折关系的连词,意为“但是”
He is poor ,but honest .
3. or
1).or 有 “或”的意思,表示一种选择
Would you like tea or water ?
2). “祈使句……,or …” or 表示否则。= If …not …, ……. .
Study hard , or you will fail. = If you don't study hard , you will fail .
3).or 用在否定句中表示并列关系。
He can’t read or write .
4. both
1).both “两者都”, 后面的名词、动词都用复数。
Both the answers are right .
2).both of ….
Both of us are students .
3).both …and…
Both you and she are right .
5. either/ either …or
1).either “两者当中任何一个”,后有of 时接名词的复数形式,无of时接单数名词,动词用单数形式。
You may wear either of the hats.
2).either …or… “不是……就是……,或者
……或者…….”动词与临近的主语保持一致。即 “就近原则”.
Either you or he has to go = Either he or you have to go .
6. neither /neither …nor…
1).neither “两者当中都不”,后有of 时接名词的复数形式,无of时接单数名词,动词用单数形式。
Neither of the answers is right .
2).neither ….nor… “既不…….也不……”动词与临近的主语保持一致。即 “就近原则”.
Neither you nor I am right .= Neither I nor you are right .
连词and和or在句中的用法和区别
并列结构中,and用于肯定句,or通常用于否定句表示“和,与”之意。
There are some students and teachers on the playground.
There is no air or water in the moon.
---I don’t like chicken ___ fish.
---I don’t like chicken, ___ I like fish very much.
A. and; and B. and; but C. or; but D. or;and
答案C。否定句中表并列用or, but 表转折。
2. or用在选择疑问句中,意为“或者,还是”。例如:
Is he a doctor or a teacher? 他是医生还是教师?
Did you do your homework or watch TV last night?你昨晚做作业还是看电视了?
Are they singing or reading English? 他们是在唱歌还是在读英语?
3. or在句型“祈使句+or+陈述句”中,表示在以祈使句为条件下的相反假设,or意为“否则,要不然”。例如:
Work hard,or you will fall behind.你要努力学习,否则会落后。
I must work hard, or I'll fail in the exam. 我要努力学习,否则考试要不及格了。
4. either…or 意思为"或者……或者……"。注意谓语动词的主谓一致采用就近原则。例如:
Either you or I am right. 不是你对,就是我对。
5. or在“either…or…”结构中,意为“要么……要么……”。连结的并列成份可在句中作主语、表语、谓语、宾语等。例如:
Either she or I am right.不是她对就是我对。(连接主语)
The shoes in the shop were either too big or too small for me. 店里的鞋对我来说不是太大就是太小(连接表语)
He either does his homework or watches TV on Sundays.他星期天要么做作业,要么看电视。(连接谓语)
We play either football or basketball in the afternoon.下午我们不是踢足球就是打篮球。(连接宾语)
6. or表示不确切、模糊的陈述。例如:
This story happened five or six years ago. 这个故事发生在四、五年前。
Is the street straight? More or less. 这棵树直吗?差不多。
She will find that she was wrong sooner or later.她迟早会发现她是错的