Be 的特殊用法
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你知道Be 的这些特殊用法吗？
Be 可用作助动词和联系动词，其用法已为英语学习者所熟悉。这里着重说说它的一些特殊用法。
1 be +时间或地点短语
该结构中，be 相当于happen , take place. 如：
The meeting will be next week. 会议于下周举行。
When and where will the party be ? 晚会将于何时何地举办 ？
2 The + n. +to be
“to be ”为定语，修饰前面的名词，意为“未来的”。如：
Mr. Johnson, our English teacher to be, is a very energetic young man.我们未来的英语教师约翰逊先生是个充满活力的年轻人。
3 be +某些不及物动词的过去分词。
该结构中，be 的现在式和过去式分别相当于现在完成时中的have/has 和过去完成时中的had. 常见的不及物动词有：come, go , rise., arrive, do, finish, prepare等。如：
Spring is come. 春满大地。
Have you finished with the your homework?你做完作业了吗 ？
－ I’m nearly finished. 快做完了。
The moon is risen and the sun is set.月亮升起，太阳下山了。
4 be +of +抽象名词=be +形容词。如：
The issue under discussion is of vital importance.正在讨论的问题是极其重要的。
The little girl is of some help to her mother now.这个水姑娘现在对她母亲已有所帮助。
该结构中，若抽象名词为color , age, size length, 等词时，常常可以省略of . 如：
We are （of）the same age.我们同岁。
This shirt is exactly the right size.这件衬衫尺寸正好。
Her dress is the color of grass.她的衣服是草绿色的
5 be +all + 抽象名词= be +very +形容词。如： Mrs. White was all attention = Mrs. White was very attentive. 怀特夫人全神贯注。
She was all gentleness and kindness to him =She was very gentle and kind to him.她对他十分温存和蔼。
He is all talk and no deed.他只说不做。
6 be +抽象名词 + itself = be +very +形容词。如：
He is humility itself to his teacher.= He is very humble.他对老师极为谦逊。
She is beauty itself = She is very beautiful. 她非常美丽。
7 be + all +复数名词
这一结构中的复数名词常常是人体的某个器官或与之有关的动作。如：
When she came in, she was all smiles and the students were all eyes.她进来时满脸笑容，学生们目不转睛地看着她。
When John told them the sad stop, the boys were all ears and some of them were all tears.当约翰给孩子们讲那个悲惨故事时， 他们仔细地倾听着，有些孩子泪眼汪汪。
8 be+ 普通名词+enough =be+ enough. 如“
He was not man enough to admit his mistakes=He was not manly enough to admit his mistakes.他没有那种肯认错的男子气概。
9 be+一段时间
该结构中，be相当于continue/remain/stay.如：
I won’t be long.我一会儿就回来　。
I promise you I won’t be ten minutes.我向你保证，用不了十分钟我就回来。
10 be+ oneself
该结构表示“（人）处于正常状态（指身体，精神等方面）”“显得自然（或真诚）”等。如：
She’s not quite herself today.她今天不太舒服。
11 let…be= let…remain untroubled，意为“不要打扰”。如：
Let her be; she has a headache.= Don’t bother her now; she has a headache.她头痛，现在不要打扰她。
12 have been and +过去分词
该结构通常用来表示惊异，烦恼，抗议等情感，其意义相当于汉语的“竟然（做出某事）”，　“居然（做出某事）”。如：
You’ve been and bought a new computer.你竟然买了一台新电脑！
Who’s been and taken my dictionary?谁竟然拿了我的词典？
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