最新Or和and的用法解析资料

1、精品文档Or和and的用法一、连词or主要用法分述如下：1、用在选择疑问句中连结被选择的对 象，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？下列两个疑问句中的并列成份由于使用 了不同的连词，因而句式有所不同。试 比较：A、Does he like milk and bread?他喜 欢牛奶或者面包吗？B、Does he

2、 like milk or bread?他喜欢 牛奶还是面包？分析：A句中使用了连词and是一般疑 可句，对其作肯定或否定回答应用：Yes, he does. No, he does nt. B 句中使用了并 列连词or,因而是选择疑问句，对其回答 不用“yes或 “no”而应根据实际情况直 接选择回答：He likes milk.或：He likes bread.2、用于否定句中连结并列成分，表示和，与”之意。例如：There isnt any air or water on the moon. 月球上既没有空气也没有水。The baby is too young. He cant spea

3、k or walk.那婴儿太小，他不会说话，也不会 走路。He has nt got any brothers or sisters.他没 有兄弟和姐妹。肯定句中并列连词应用 and，在把含有 and的肯定句改为否定句时，莫忘把连词 and改为or。例如：The stude nts sang and dan ced in the park yesterda yf The stude nts did nt sing or dance in the park yesterda y3、用于句型 祈使句+or+陈述句”中，表 示在以祈使句为条件下的相反假设，意为否则，要不然”。例如：Work hard

4、,or you will fall behind.你要努 力学习，否则会落后。Get up early tomorrow,or you will miss the early train你明天要早点起身,要不然 就赶不上早班火车了。Dont jump the queue,or other peopoe will n ot be pleased别插队，否则别人会不高 兴的。可以把这类句型中的祈使句换为一个条 件句（注意改写时应去掉连词or）。例如：Hurry up,or you will be late for the meeting. f fou dont hurry up,you will

5、be late for the meeti ng.4、用于“ either。了结构中，意为 不 是就是”,“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。（注意：连 结并列成份作主语时，谓语动词通常与 or后的部分保持一致。）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He either does his homework or watches TV on Sun days他

6、星期天要么做作业，要 么看电视。（We play either football or basketball in the aftern oon.下午我们不是踢足球就是打篮 球。5、用于连结并列成份，表示不确切、模 糊的陈述。例如：This story happe ned 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6、并列结构中，or通常用于否定句

7、， and用于肯定句。7、但有时and也可用于否定句。请注 意其不同特点：There is no air or water in the moon.There is no air and no water on the moon. 在否定中并列结构用or连接，但含有两 个否定词的句子实际被看作是肯定结 构，因此要用and。典型例题-1 dont likechicke n fish.-1 dont like chicke n,I likefish very much.A. and; and B. and; but C. or; but D. or; and答案G否定句中表并列用or, but 表

8、转折。1) or意思为否则。例如：I must work hard, or Ill fail in the exam.我要努力学习，否则考试要不及 格了。2) 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。1、连词and主要用法分述如下：1、连接句子中的并列的各个成分如主语、谓语、宾语、定语、状语等。表精品文档同” 例如：又”兼”加”等，也可不译。示并列和递进等关系，意思是和” Lucy and I go to school six days a week. His work starts

9、at half past eight ,a nd fini shes at a quarter to five. She works very hard and is very helpful. She is weari ng a gree n trousers, and a yellow sweater.2、连接两个结构对等的句子。表示并 列和对比等关系，意思是“而 且”还”也”而“等，常可不译。例如： They teach us Chin ese and we teach them En glish.t a bike. It isn t a plane, and it isn The da

10、ys get shorter and the ni ghts get Ion ger. The weather gets warmer, and the days get Ion ger.11、连接两个结构非对等的句子。表示 次序、因果、递进、转折等关系，意思 是然后”所以”结果”而且” 也”、但是”等，有时也可不译。例如： I have breakfast at 7:30 and the n I go to school. It is harvest time,a nd all the farmers are very bus y. The weather was very cold, an

11、d many people were ill. After lunch Aunt Hua ng came in and she looked worried.12连接两个句子，结构是 祈使句+and+ 句子” 表示条件和结果关系，（即前 面的句子相当于一个由“ If引导的假设句，后面的句子表示结果），意思是那 么”就会”例如： Play as well as you can,and we re sure to beat the m. =lf you play as well as youcan,we re sure to beat them Keep pass ing the ball to

12、each other,a nd you ll be ok!=If you keep passing the ball to each other, you be dk!ll13、连接两个动词。用于“ go(come,stop,write,etc.)+an动词构中，表示目的、意图，意思是 为了 和来”等，通常不译。例如: I must go and play games. (=1 must go to play games) Let s go and find them. You and Lily must come over to my house and see! Stop and put

13、your hands in front of you now. You must get up and get ready for school.14、连接两个相同的词。表示反复、连 续等。意思是又”接连”等。例如: The baby laughed and laughed. They talked on and on very happily.15、连接两个相对的词。用作状语。例如： He uses a lift to go up and dow n.16、连接两个形容词的比较级的词。表 示程度的变化，意思是 越来越”例如： But she looked at me and cried harder and harder. The world spopulation is growing faster and faster.仃、用于句首。表示承上启下的作用， 意思是于是”然后”而且等也可 不译。例如： And I m polly! I m fi