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英语学霸养成记之连词Or和For用法详解

Or的用法归纳

1、表示选择,意为“或”,“还是”:

(1) Is the radio off or on? 无线电关上了还是开着的?

(2) Would you prefer tea or coffee? 你喜欢茶还是咖啡?

(3) Is he asleep or awake? 他睡着了还是醒着?

(4) Are you going to America by boat or by air? 你到美国是坐船还是坐飞机?

(5) You may go or stay, according as you decide. 是去是留由你自己决定。

(6) Are you from North China or South China? 你是华北人还是华南人?

2、表示一种否定的条件,意为“否则”:

(1) Come on, or we’ll be late. 快点,否则我们要迟到了。

(2) Hurry up, or you'll be late for school. 赶快,否则你上学就要迟到了。

(3) Dress warmly, or else you’ll catch cold. 穿暖和点,否则你会感冒的。

(4) Be careful, or you’ll break that vase! 小心,否则你会把那花瓶打碎!

(5) Cross the road very carefully. Look both ways, or you might be knocked down. 过马路要非常小心,要看两边,不然会被车撞倒。

3、可表示“要不就是”:

(1) He must be joking, or else he’s mad. 他一定在说笑话,要不就是疯了。

(2) The book must be here, or else you’ve lost it. 这书一定在这儿,要不就是你丢失了。

4、用于否定句中代替and。

(1) He was not clever or good-looking. 他不聪明,也长得不好看。比较:

(2) They sang and danced. 他们既唱歌又跳舞。

(3) They didn't sing or dance. 他们既没有唱歌也没有跳舞。

5、用于习语

(1) The work is more or less finished. 工作大体上完成了。

(2) They consist of 1700 or more tribes. 他们由1700个或更多部族构成。

(3) There’s just one or two details I want to make sure about. 还有一两个细节我想弄清楚。

(4) Either your mother or your father may come with you. 你母亲或是你父亲会陪你去。

(三)、表示因果关系的并列连词。主要有 for(因为), so(因此)等。如:

(1) He shook his head, for he thought differently. 他摇了摇头,因为他有不同想法。

(2) He told me to do it, so I did it. 他让我这样做,于是我就这样做了。

(3) The child had a bad cough, so his mother took him to the doctor. 这孩子咳得很利害,所以他妈妈带他去看医生。

(4) You are supposed to get rid of carelessness, for it often leads to serious errors. 你们一定要克服粗枝大叶,因为粗枝大叶常常引起严重的错误。

注意:for表示结果通常不能放句首,也不能单独使用。

连词for的用法

1、for用作连词,主要表示理由,用于引起的分句对前面的话进行解释,常用逗号把它和前面的分句分开。如:

(1) She was angry, for she didn’t know French. 她生气了,因为她不懂法语。

(2) He must be out, for there is no light in the room. 他准是出去了,因为屋里没有灯。

(3) He shook his head, for he thought differently. 他摇了摇头,因为他有不同想法。

(4) The days were short, for it was now December. 白天很短,因为这时已经是十二月。

(5) We rarely stay in hotels, for we can’t afford it. 我们很少住旅馆,因为我们住不起。

(6) You needn’t have watered the flowers, for it is going to rain. 你本不必浇那些花,因为就要下雨了。

(7) He took the food eagerly, for he has eaten nothing since dawn. 他狼吞虎咽地吃了起来,因为他从天亮就没吃过东西。

(8) He was busy packing, for he was leaving that night. 他那时正忙着打点行李,因为那天晚上他就要走了。

(9) She does not go out in the winter, for she feels the cold a great deal. 她冬天不出门,因为他特别怕冷。

2、for 表示结果通常不能放句首,也不能单独使用。

for 表示原因时的四个“不能”

1、for引导的从句不能位于它所解释的动词之前:

Because it was wet he took a taxi. 因为下雨,他叫了一辆出租车。(这里不能用for)

2、for引导的从句不能位于not, but或任何连词之后:

He stole, not because he wanted the money but because he liked stealing. 他偷东西,并不是因为他想要钱,而是他有这种毛病。(这里不能用for)

3、for引导的从句不能用于回答问题:

—Why did you do it? 你为什么这么做?

—I did it because l was angry. 因为我生气才这么做的。(这里不能用for)

4、for引导的从句不能单单用来复述已讲过的话,而必须包括新的内容:

He spoke in French. She was angry because he had spoken in French.

他讲法语。因为他讲法语,她生气了。(这里不能用for)

(四)、表示并列关系的并列连词。

这类连词有 and , or , either…or , neither…nor , not only…but (also) , both….and , as well as ,when (= and just at this time 就在这时) 等。如:

(1) Give him an inch and he will take a mile. 他会得寸进尺。

(2) Not only did he speak more correctly, but he spoke more easily. 不仅他讲得更正确,也讲得更不费劲了。

(3) He was about to go to bed when the telephone rang. 他正要上床睡觉,这时电话铃响了起来。

(4) He didn’t go and she didn’t go either. 他没去,她也没去。

(5) The weather is mild today; it is neither hot nor cold. 今天天气很温暖,不冷也不热。

(6) Both New York and London have traffic problems. 纽约和伦敦都存在交通问题。

(7) It is important for you as well as for me. 这对你和对我都很重要。

(8) People who are either under age or over age may not join the army. 年龄不到或者超龄的人都不得参军。

更多英语学习,硕士考研和出国留学信息,请登陆www.hansonedu.cn了解详细信息。瀚森教育专注英语教学,为您提供最新最全的英语学习信息。

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