英语中be是什么意思

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songshihao
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be动词意思和用法很多,一般的意思是:是,此种用法,有多种变化形式,is,am,are,was,were,being,been,to be.另外,be动词还有成为的意思。现在时 I am, you are, he is, we are, you are, they are (缩略式 I'm, you're, he's, we're, you're, they're), (否定缩略式 I'm not, isn't, aren't), 过去时 I was, you were, he was, we were, you were, they were (过去时否定缩略式 wasn't, weren't), 过去分词been, 现在分词being  


                                   

                                   

英语的“be”是个特殊动词;有些语言,如马来文等,并没有“be”这样的动词。   “Be”除了原形的“be”之外,还有另外七种形式:am, is, are, been, being, was, were.   在句子中,“be”可以是主动词(The Principal Verb)或助动词(The Auxiliary Verb) 例句对照  【当主动词时,“be”在性质上属于接系动词(The Linking Verb), 后面要有名词、形容词、地方副词或短语作补足语(The Complement)。例如:   1. The man is a science teacher.   这个男子是一位科学教师   2. Mary's new dresses are colourful.   玛丽的新衣服色彩鲜艳   3. I have been there before.   我以前去过那里   4. My mother is watching TV in the room.   母亲现在在客厅看电视

【这四个都是陈述句,可以变成疑问句,方法简单,把主语和“be”或助动词对换位置即可:   5. Is the man a science teacher?   6. Are Mary's new dresses colourful?   7. Have I been there before?   8. Is mother in the kitchen now?   【当“be”要在祈使句中出现时,它必须借重助动词“do”或“don't”之助,如:   9. Don't be silly!   10. Do be obedient!   11. Don't be a fool!   【“Be”有两种缩写法,如下:   12. He's not...../He isn't....   13. You're not...../You aren't...   【但“am + not”的缩写法只有一个:   14. I'm not.   有人用“ain't”, 但这并不是标准英语。   谈过了“be”作主动词的功能,现在看看“be”作助动词时,有些什么用法:   【1.】“Be + 现在分词”以组成进行式时态(Continuous Tenses),如:   15. Tony's maid is washing his new car.   16. The children are playing in the field.   17. Samuel was eating when I came in.   18. We have been living here since 1959.   【2.】“事/物人 +Be + 过去分词”以组成被动语态(The Passive Voice),如:   19. Her money in the drawer was stolen.   20. A number of good jobs are taken up byforeigners.   21. David studied in Taiwan but has been trained as a language lecturer in America.   22. Can all the wonderful birds be found in our Bird Park?   23. The disobedient boy was told to stand out- side the classroom.  

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