什么时候用is什么时候用are 英语一般疑问句中什么时候用is，什么时候用do，什么时候用a...
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she is a student. \u8fd9\u6837\u4e3b\u8bed\u540e\u9762\u662fbe\u52a8\u8bcd\u7684\u9648\u8ff0\u53e5\uff0c\u6539\u4e3a\u4e00\u822c\u7591\u95ee\u53e5\u5c31\u53ea\u7528\u628abe\u52a8\u8bcd\u63d0\u524d\uff0c\u6539\u4e3aIs she a student?
I am Linda. \u628aam\u63d0\u524d\uff0c\u6539\u4e3aAre you linda?
2\u3001\u5f53\u9648\u8ff0\u53e5\u4e2d\u8c13\u8bed\u662f\u52a8\u8bcd\u539f\u5f62\u7684\u65f6\u5019\uff0c\u501f\u52a9\u52a8\u8bcddo\u5e76\u63d0\u524d\u3002\u5982\u679c\u662f\u5355\u4e09\u5f0f\uff0c\u5c31\u501f\u52a9\u52a8\u8bcddoes\u5e76\u63d0\u524d\u3002\u4f8b\u5982\uff1a
She has a bag. \u8fd9\u6837\u4e3b\u8bed\u540e\u9762\u4e0d\u662fbe\u52a8\u8bcd\u7684\u53e5\u5b50\uff0c\u6539\u6210\u4e00\u822c\u7591\u95ee\u53e5\u5c31\u5728\u4e3b\u8bed\u524d\u9762\u52a0\u4e0ado\u6216does\uff0c\u6539\u4e3aDoes she have a bag?
he likes apples. \u5728\u4e3b\u8bed\u524d\u9762\u52a0\u4e0adoes\uff0c\u6539\u4e3adoes he like apples?
they like apples. \u5728\u4e3b\u8bed\u524d\u9762\u52a0\u4e0ado\uff0c\u6539\u4e3aDo they like apples?
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I am Lily. \u6539\u4e3aAre you Lily?
My name is Tom. \u6539\u4e3aIs your name Tom?
2\u3001\u5982\u679c\u53e5\u4e2d\u6709some\uff0c\u5219\u53d8\u95ee\u53e5\u65f6\u8981\u53d8\u4e3aany\u3002\u4f8b\u5982\uff1a
There is somewater on the table. \u6539\u4e3aIs there any water on the table?
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I know she comes from America. \u6539\u4e3aDo you know she comes from America?
4\u3001\u5982\u679c\u53e5\u4e2d\u542b\u6709\u5b9e\u4e49\u52a8\u8bcdhave\u4e14\u8868\u793a\u201c\u6709\u201d\u65f6\uff0c\u9664\u501fdo\u5916\u4e5f\u53ef\u4ee5\u76f4\u63a5\u5c06\u5176\u63d0\u5230\u53e5\u9996\u3002\u4f8b\u5982\uff1a
\u4f8b\uff1aI have some friends in Canada. \u6539\u4e3aDo you have any friends in Canada?
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1--\u4e00\u822c\u7591\u95ee\u53e5
is用于他她它，is用于单数或不可数名词之后。are用于复数，用于他们、她们、它们。即不可数名词用is，可数名词复数用are。
1、is是be 的第三人称单数现在时形式，常放在其他词后缩写为 -’s。are是系动词be的现在时、用于第二人称或复数。
造句：This man is an animal, a beast.这人是个畜生，是个野兽。There are enough people to do the job.有足够的人做这项工作。
2、表身份，一般是【be+名词】，这时的be相当于汉语的“是”；表状态，一般是【be+形容词】，汉语没有这种表达（而是主语直接加形容词）。表位置，一般是【be+介词+名词】，或者【be+表地点的副词】；这时的be相当于汉语的“在”。
扩展资料
am is是单数形式，are是第二人称单数和复数共同的形式。在时态上则三者都是"现在时"。is，are 还可用在"there be "结构中，具体形式是：there is .......和there are .......。
使用口诀：用am，你用are，is连着他，她，它； 单数名词用is，复数名词全用are。 变疑问，往前提，句末问号莫丢弃。 变否定，更容易，be后not莫忘记。 疑问否定任你变，句首大写莫迟疑。
参考资料来源：百度百科-be动词
第三人称做主语时be动诃用is,第二人称和复数(我们、他们、你们等)时be动词用are，第一人称做主语时be动诃用am，由此可知:am is are都是be 的变形，概括起来就是: 我(I)用am，你(you)用are，is跟着她(she)他(he)它(it)。其余单数用is，复数都用are。
例:He is a clever boy 他是一个机灵的小男孩
You are a student 你是一个学生
We are from China 我们来自中国
扩展资料:
Be动词在一般现在时表否定和疑问时的用法
be动词真伟大，生出is, am, are。表否定很简单，not加在be后边，
若要变为疑问句，be应移到主语前。还有一点要注意，句末问号别忘记。
Be动词在一般过去时不同人称的变化
第一人称单数和第三人称的单数形式，则用was
第一人称复数和第二人称复数、第三人称的复数，则用were
第二人称单数也用were
参考资料来源:百度百科—Be动词
简单概括如下：
【一般原则】主语是单数第三人称用 is；主语是复数用 are
【就近原则】
～there be 如果是并列主语，离得最近的是单数用 is，复数用 are
～or (包括 either ... or、neither ... nor) 并列的主语， 离主语最近的是单数用 is，复数用 are
～not only ... but also 并列的主语， 离主语最近的是单数用 is，复数用 are
【概念一致】
～集合名词作主语用 are，如 people (人们)、the whole class (全班人)、police (警察)、furniture (家具) 等
～单数形式复数概念用 is，如 news (新闻)、politics (政治)
～
一般is are 前面都有带特指的主语，如第三人称he/she/it is，第二人称you are，或所以人称we /you/they are。而be 一般用在will 后面，表将来如he will be a doctor，再看看he is a doctor，对比一下就知道了。还有有听过to be a doctor ，有听过to is a doctor吗。
总归一句话，be 是一个系动词，也叫be 动词，在不同情况下都可以变成is are am was were。不要想复杂了。
be动词
be动词的用法
be
[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
“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).
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.
2. Mary's new dresses are colourful.
3. I have been there before.
4. Mother is in the kitchen now.
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.“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.
你只要记得be是is are的原形，is 是单数 are 是复数
I 后面接 am
we you they后面接 are
he she it后面接 is
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