现代英汉综合大辞典

是
[表示时间, 度量, 价值等]是; 值; 等于
[常用命令语气或不定式]做, 成为
在; 存在; 有; 生存
逗留, 持续
到达, 来到
发生, 产生
- 习惯用语
- Has anyone been? 有人来过吗?
- have been and [口][表示惊异, 烦恼, 抗议]竟然(做出某事)
- have been and gone and [口][表示惊异, 烦恼, 抗议]竟然(做出某事)
- has been and [口][表示惊异, 烦恼, 抗议]竟然(做出某事)
- has been and gone and [口][表示惊异, 烦恼, 抗议]竟然(做出某事)
- have been there (before) [俚]曾经亲身经历过, 曾经领略过此中滋味
- let be [口]随(他[它])去; 任(他[它])那样
- let him be [口]随(他[它])去; 任(他[它])那样
- let it be [口]随(他[它])去; 任(他[它])那样
- the ...to be 未来的(the bride to be 未来的新娘)
- be about 已开始(工作); 正忙于(工作) 流行; 到处存在 起身穿衣; 活动 可取得的, 买得到的, 流通中的
- be at 从事于, 做
- be for 到...去 赞成, 要
- be from 从...来 生在(某处)
- be into sth. 热衷于
- Be it so! 就这样吧; 好吧!
- be it that ... 即使...
- be with 被雇, 被聘; 在...处工作 [口]听懂(某人的话) [口]支持 与...同感, 同意
现代英汉词典

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
作助动词用,构成各种时态或语态
连接主语和补语
存在
柯林斯英语大词典

to have presence in the realm of perceived reality; exist; live
to pay a visit; go
to take place; occur
used as a linking verb between the subject of a sentence and its noun or adjective complement or complementing phrase. In this case be expresses the relationship of either essential or incidental equivalence or identity (John is a man; John is a musician) or specifies an essential or incidental attribute (honey is sweet; Susan is angry). It is also used with an adverbial complement to indicate a relationship of location in space or time (Bill is at the office; the dance is on Saturday)
forms the progressive present tense
forms the passive voice of all transitive verbs and (archaically) certain intransitive ones
expresses intention, expectation, supposition, or obligation
forms the perfect or past perfect tense of certain intransitive verbs of motion, such as go or come
Belgium
- 习惯用语
- be that as it may the facts concerning (something) are of no importance
WordNet

1. have the quality of being; (copula, used with an adjective or a predicate noun); "John is rich"; "This is not a good answer"
(hyponym)
2. be identical to; be someone or something; "The president of the company is John Smith"; "This is my house"
3. occupy a certain position or area; be somewhere; "Where is my umbrella?" "The toolshed is in the back"; "What is behind this behavior?"
(hyponym) ,
4. have an existence, be extant; "Is there a God?"
(synonym)
(hyponym)
(derivation) , ,
5. happen, occur, take place; "I lost my wallet; this was during the visit to my parents' house"; "There were two hundred people at his funeral"; "There was a lot of noise in the kitchen"
6. be identical or equivalent to; "One dollar equals 1,000 rubles these days!"
(synonym)
(hyponym) ,
7. form or compose; "This money is my only income"; "The stone wall was the backdrop for the performance"; "These constitute my entire belonging"; "The children made up the chorus"; "This sum represents my entire income for a year"; "These few men comprise his entire army"
(synonym) , , ,
(hyponym)
8. work in a specific place, with a specific subject, or in a specific function; "He is a herpetologist"; "She is our resident philosopher"
(synonym)
(hyponym)
9. represent, as of a character on stage; "Derek Jacobi was Hamlet"
(synonym) ,
(hypernym) , , , ,
(hyponym) ,
10. spend or use time; "I may be an hour"
(hypernym) , ,
11. have life, be alive; "Our great leader is no more"; "My grandfather lived until the end of war"
(synonym)
(verb-group) , , , , , , ,
(derivation) ,
12. to remain unmolested, undisturbed, or uninterrupted -- used only in infinitive form; "let her be"
(hypernym) , ,
13. be priced at; "These shoes cost $100"
(synonym)
(hyponym) , ,
百科

网络词典 (beta)

是May I go to the bathroom? 我可以去洗手間嗎?...be [bi] 是...Who will be our next president? 誰會是我們的下任總統?
铍be 结合能...be 铍...beach accretion 海滩加积作用
在?...be- == 在...?beside 在...旁
动词现在时第三人称单数is...v. be 动词现在时第三人称单数...



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