be的用法如下：
1、be用作助动词时可与动词的现在分词连用,构成进行时态,也可与及物动词的过去分词连用,构成被动结构。
2、be可以和动词不定式连用，有以下几点意义：
①表示计划或安排要发生的事或打算要做的事，不定式可用被动式，在was或were后用不定式的完成式可表示“本来打算…”；
②表示“必须”“得”等，意思接近must, have to；
③表示“应该”“宜于”等，意思接近should，有时用来征求对方的意见，不定式可用被动式；
④表示“可以”“能”等，意思接近can, may，多用于被动结构；
⑤表示“想要”等，意思接近want to, intend to；
⑥表示注定要发生的情况，常用于过去式；⑦表示虚拟语气，用于与事实相反的条件句中。
3、be置于句首引起倒装句，可表示虚拟语气，这带点文学色彩，不太常用。
扩展资料
be
英 [biː] 美 [bi]
vt. 是； 有，存在； 做，成为； 发生
n. (Be)人名；(缅)拜；(日)部(姓)；(朝)培；(中非)贝
短语
Be star Be星 ; 成为明星
be asleep 麻痹了 ; 睡着 ; 睡着了 ; 入睡
be afraid 害怕 ; 畏惧 ; 恐怕 ; 恐惧的
Be togehter 在一起 ; 在壹起 ; 却不能在一起 ; 在一路
be hungry 饿了 ; 饥饿 ; 渴了 ; 累了
例句
1、It should be one direction.
它应该是一个方向。
2、It should be her legacy.
它应该是她的遗产。
3、This should be an opportunity for all of us.
这是我们所有人共同享有的机遇。
温馨提示：答案为网友推荐，仅供参考
第1个回答 推荐于2017-09-16
be
vi.
(现在式am,are,is; 过去式was,were; 过去分词been; 现在分词being)
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
vi.
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
Be calm!
We're going now.
He was bitten by a dog.
Horses are animals.
This book is mine.
He will be happy.
The old lady was upstairs.
vi.
(现在式am,are,is; 过去式was,were; 过去分词been; 现在分词being)
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
vi.
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
Be calm!
We're going now.
He was bitten by a dog.
Horses are animals.
This book is mine.
He will be happy.
The old lady was upstairs.
第2个回答 推荐于2017-10-10
be动词的意思
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,bein-g,been,to be.另外,be动词还有成为的意思.
be动词的用法
be （be/is/are/am/was/were) [bi:]
vi 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.】“情态动词+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.
24.Steps are being taken to reduce traffic con- gestion during peak hours.
25.Dishonest students will be immediately dealt with.本回答被提问者和网友采纳
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,bein-g,been,to be.另外,be动词还有成为的意思.
be动词的用法
be （be/is/are/am/was/were) [bi:]
vi 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.】“情态动词+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.
24.Steps are being taken to reduce traffic con- gestion during peak hours.
25.Dishonest students will be immediately dealt with.本回答被提问者和网友采纳
第3个回答 2018-07-26
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。根据句子中不同的人称、数和时间，型态，应该选择相应的be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.
要看语句的时态:
如果是一般过去时,就用was/were
如果是一般现在时,就用am/is/are
如果是一般将来时,就用will be
“Be”除了原形的“be”之外,还有另外七种形式：am, is, are, been, being, was, were.
要看语句的时态:
如果是一般过去时,就用was/were
如果是一般现在时,就用am/is/are
如果是一般将来时,就用will be
第4个回答 2015-10-26
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。根据句子中不同的人称、数和时态，应该选择相应的be动词。
相似回答