Grammar Rule in 30 Seconds
To make a sentence negative with 'am', 'is', or 'are', simply put the word 'not' immediately after the verb.
- Use 'am not' for I (e.g., I am not cold).
- Use 'is not' or 'isn't' for he, she, it (e.g., She isn't here).
- Use 'are not' or 'aren't' for you, we, they (e.g., They aren't ready).
Overview
be 动词一般现在时否定形式的世界。它是语言学上的“禁止通行”标志，但要友好得多。当你需要纠正误解、设定界限，或者只是想告诉全世界你“不是”谁（哪怕你还在探索自己到底是谁）时，这条规则就是你最好的朋友。它很基础，很必要，也是我们通过“不论述”来定义自己的方式。be 的一般现在时否定形式是你学英语时最早会用到的东西之一。它让你能对状态、身份和地点说“不”。虽然听起来简单，但分量很重。在英语里，我们不能像某些语言（说的就是你们，西班牙语和意大利语！）那样直接在动词前加个 'no'。我们和单词 not 之间有一段特别的“舞蹈”。无论你是发短信告诉朋友你 aren't（没）准备好，还是告诉老板你周日会议 am not（没）空，这个句型无处不在。这就是成为剧迷和一集都没看过的人之间的区别。关键在于清晰。关键在于精准。说实话，也是为了避免那种尴尬情况：明明你只点了一个披萨，别人却以为你是那个点了 12 个的人。How This Grammar Works
be 动词（am, is, are）想象成一个强大的引擎。要让它“倒车”（变成否定），我们要做的只是在它后面紧跟着加上 not 这个词。它就像个小锚，拽住动词不让它变成肯定的。不像英语里的其他动词需要像 do 或 does 这样的“帮手”（比如：I *do not* like），be 动词是一个强大、独立的动词。它不需要任何帮助！它只是带上 not，然后继续过它的小日子。You're not）和动词缩写（You aren't）。选择哪种就像是选连帽衫还是牛仔夹克——都很休闲，但感觉稍微有点不一样。
Formation Pattern
I, you, he, she, it, we, they，或者像 'Sarah' 这样的名字）。
be: 加上正确的 be 动词形式： 把你的主语和 am, is, 或 are 搭配好。
not: 加上 not： 把它直接放在动词后面。
I am not a gamer. | 我不是游戏玩家。 |
You are not late. | 你没有迟到。 |
He is not my brother. | 他不是我的兄弟。 |
She is not at home. | 她不在家。 |
It is not a bug. | 这不是个错误。 |
We are not lost. | 我们没有迷路。 |
They are not ready. | 他们还没准备好。 |
I'm not。不存在 'I amn't' 这种说法（除非你在爱尔兰的某些地方，但在标准英语里，离它远点！）。
He's not 或 He isn't。
They're not 或 They aren't。
When To Use It
I'm not the manager.I'm not mad, I'm just tired.I am not at the entrance.He isn't English.I'm not free on Saturday 听起来比直接说 'No' 要好听多了。
Common Mistakes
I no am happy 或 He no is here。在英语里，'no' 是用来回答问题的，而 not 是跟着动词用的。He not is my friend。记住，be 动词永远在前面！它是老大。He is not my friend.I not hungry。这在发短信时很常见，但在语法上是“非法”的。你需要那个 am！I am not hungry.I am not no student 这样的话。一个否定词就足够搞定工作了。Contrast With Similar Patterns
be + not，什么时候用 do + not。这里有一条黄金法则：如果你在描述一种状态（是谁、在哪里、怎么样），用 be。如果你在描述一个动作（做什么），用 do。I am not a student. (State - who you are) （状态 - 你是谁）I do not study. (Action - what you do) （动作 - 你做什么）be（是）一个厨师，但今天你 don't（不）做饭。在 A1 级别，这是导致大家听起来像 90 年代 AI 的头号错误。掌握了这个，你听起来会自然 10 倍。Quick FAQ
Can I say She's not and She isn't?
问： 我可以说 She's not 和 She isn't 吗？
Is I am not formal?
问： I am not 很正式吗？
Why is there no amn't?
问： 为什么没有 amn't？
Does You aren't sound mean?
问： You aren't 听起来很刻薄吗？
Can I use this for the past?
问： 我可以用这个表示过去吗？
2. Full Negative Forms
| Subject | Verb (Be) | Negative Particle | Example |
|---|---|---|---|
|
I
|
am
|
not
|
I am not late.
|
|
You
|
are
|
not
|
You are not late.
|
|
He / She / It
|
is
|
not
|
He is not late.
|
|
We
|
are
|
not
|
We are not late.
|
|
They
|
are
|
not
|
They are not late.
|
Contractions (Short Forms)
| Subject | Contraction Option A | Contraction Option B |
|---|---|---|
|
I
|
I'm not
|
N/A
|
|
You
|
You're not
|
You aren't
|
|
He
|
He's not
|
He isn't
|
|
She
|
She's not
|
She isn't
|
|
It
|
It's not
|
It isn't
|
|
We
|
We're not
|
We aren't
|
|
They
|
They're not
|
They aren't
|
Meanings
The primary way to negate identity, location, or state in English when using the verb 'to be'. It denies that a subject has a certain quality or is in a certain place.
Negating Identity
Used to say who or what someone is not.
“He is not my brother.”
“They are not doctors.”
Negating Location
Used to say where someone or something is not located.
“The keys are not on the table.”
“She is not at home.”
Negating State or Feeling
Used to describe how someone does not feel or a condition that does not exist.
“I am not tired.”
“It is not hot today.”
Reference Table
| 主语 | be 动词形式 | 否定形式 | 缩写 |
|---|---|---|---|
|
I
|
am
|
am not
|
I'm not
|
|
You
|
are
|
are not
|
aren't
|
|
He
|
is
|
is not
|
isn't
|
|
She
|
is
|
is not
|
isn't
|
|
It
|
is
|
is not
|
isn't
|
|
We
|
are
|
are not
|
aren't
|
|
They
|
are
|
are not
|
aren't
|
正式程度
Mr. Smith is not in the office today. (Workplace/General)
He isn't at work today. (Workplace/General)
He's not here. (Workplace/General)
He ain't here. (Workplace/General)
be 动词的否定形式
单数
- I'm not I am not
- He isn't He is not
- She isn't She is not
- It isn't It is not
复数
- You aren't You are not
- We aren't We are not
- They aren't They are not
用途
- 否定事实 I'm not a student.
- 描述状态 She isn't happy.
- 说明位置 It isn't here.
缩写形式 vs. 完整形式
如何构成 be 动词的否定形式
你的主要动词是 'am', 'is' 还是 'are'？
你的主语是什么？
be 动词的否定形式
I
- • I'm not
- • I am not
He/She/It
- • isn't
- • is not
You/We/They
- • aren't
- • are not
常见用途
- • 否定事实
- • 表达感受
- • 说明位置
- • 描述不存在
按水平分级的例句
I am not a student.
Yo no soy estudiante.
She is not at home.
Ella no está en casa.
They are not happy.
Ellos no están felices.
It is not a cat.
No es un gato.
We aren't ready for the exam.
No estamos listos para el examen.
He isn't my boss anymore.
Él ya no es mi jefe.
I'm not sure about this.
No estoy seguro de esto.
The shops aren't open on Sundays.
Las tiendas no están abiertas los domingos.
It's not that I'm angry, I'm just tired.
No es que esté enojado, solo estoy cansado.
They aren't as tall as I thought.
No son tan altos como pensaba.
She isn't usually this late.
Ella no suele llegar tan tarde.
You aren't allowed to smoke here.
No se permite fumar aquí.
The results aren't exactly what we expected.
Los resultados no son exactamente lo que esperábamos.
I'm not going to lie, it was difficult.
No voy a mentir, fue difícil.
He isn't being very helpful today.
Él no está siendo muy servicial hoy.
Aren't you coming to the meeting?
¿No vienes a la reunión?
It isn't so much a problem as it is an opportunity.
No es tanto un problema como una oportunidad.
I'm not half the man I used to be.
No soy ni la mitad del hombre que solía ser.
The implications aren't immediately obvious.
Las implicaciones no son obvias de inmediato.
She isn't one to complain.
Ella no es de las que se quejan.
The truth is not always palatable.
La verdad no siempre es agradable.
I'm right, aren't I?
Tengo razón, ¿verdad?
It is not for me to say.
No me corresponde a mí decirlo.
Were it not for your help, I would fail.
Si no fuera por tu ayuda, fallaría.
容易混淆
Learners often use 'no' to negate a verb because many languages use the same word for 'no' and 'not'.
Once learners learn 'don't', they try to use it for everything.
Learners get confused between 'He's not' and 'He isn't'.
常见错误
I no am happy.
I am not happy.
She not is a doctor.
She is not a doctor.
They don't are here.
They aren't here.
I amn't tired.
I'm not tired.
It's no cold.
It isn't cold.
I am not more tall.
I am not taller.
Am I not right, aren't I?
I'm right, aren't I?
句型
I am not ___.
It isn't ___ today.
They aren't ___.
You aren't ___ enough.
Real World Usage
I'm not ready yet! Give me 5 mins.
This isn't what I ordered.
I am not currently employed, but I am volunteering.
The flight isn't on the board.
This isn't a sponsored post.
I'm not feeling well today.
大胆使用缩写
没有 amn't！
完整形式用于强调
I am NOT happy about this!这样说真的很有力！
缩写是随意交流的信号
Smart Tips
Avoid contractions. Use 'is not' and 'are not' to sound more professional.
Stress the word 'not' and do not contract it.
Use 'aren't I' for negative questions, even though it sounds strange.
Remember: 'No' is for the answer, 'not' is for the verb.
发音
Contraction of 'is not'
The 'i' in 'isn't' is a short sound like 'bit'. The 't' is often very soft or silent in fast speech.
Contraction of 'are not'
The 'aren't' sounds like 'arnt'. The 'e' is silent.
Emphatic Negation
I am NOT going!
Stress the word 'not' to show strong disagreement or anger.
记住它
记忆技巧
Remember 'BAN': Be Always Next (to 'not'). The verb 'Be' is always next to the word 'not'.
视觉联想
Imagine a red 'STOP' sign (the word NOT) standing right behind three people named Am, Is, and Are. They are walking in a line, and the STOP sign is always following them.
Rhyme
With Am, Is, Are, don't look too far. Just add a NOT, and you've hit the spot!
Story
A little robot named 'Be' was very agreeable and said 'yes' to everything. One day, he found a hat labeled 'NOT'. Every time he put the hat on, he started saying the opposite of everything! 'I am happy' became 'I am (hat) not happy'.
Word Web
挑战
Look around your room. Find 5 things and say what they ARE NOT. (e.g., 'The chair is not blue. The window isn't open.')
文化笔记
In the UK, 'aren't I' is the standard way to ask a negative question for 'I am', even though 'am' and 'are' are different verbs.
The word 'ain't' is frequently used as a substitute for 'am not', 'is not', and 'are not'. While very common, it is considered informal or uneducated in professional settings.
In international business, using the full 'is not' or 'are not' is preferred to avoid misunderstandings that can happen with fast-spoken contractions.
The word 'not' evolved from the Old English 'nāwiht', which meant 'no whit' or 'nothing'.
对话开场白
Are you a student?
Is it cold in your city today?
Are your friends at home right now?
Am I late for the meeting?
日记主题
常见错误
Test Yourself
My cat ___ a fan of baths.
Find and fix the mistake:
We isn't going to the party.
选择正确的句子：
翻译成英语：'Ella no es mi hermana.'
Answer starts with: ["S...
Score: /4
练习题
8 exercisesI ___ a doctor. I am a nurse.
Which sentence is correct?
Find and fix the mistake:
They don't are at home.
not / the / is / coffee / hot
Nosotros no estamos cansados.
He / You / I
Select the incorrect form.
A: Are you from London? B: No, I ___.
Score: /8
Practice Bank
13 exercisesThe Wi-Fi here ___ very fast.
You am not allowed to park here.
哪个句子是正确的？
翻译成英语：'No estamos listos para la cena.'
把这些词排列成一个句子：
将主语与正确的否定形式匹配：
My phone ___ charged, so I can't call.
Hey, I not feeling great today.
以下哪句话是正确的？
翻译成英语：'Esto no es posible.'
把这些词按正确顺序排列：
We ___ going to make it on time if we don't hurry.
The weather today not good.
Score: /13
常见问题 (8)
No, 'amn't' is not used in standard English. You must say `I am not` or `I'm not`.
There is no difference in meaning. Both are correct. 'He's not' is slightly more common in the US.
The verb 'to be' is a special auxiliary verb. It doesn't need the helper verb 'do'.
Yes, but it is very informal slang. You should avoid it in school, exams, or at work.
It always goes immediately after the verb `am`, `is`, or `are`.
No. You use 'no' for short answers, but 'not' to make the verb negative.
You put the contraction at the start: `Aren't you hungry?` or `Isn't she here?`.
It's not about politeness, but formality. 'Are not' is better for formal letters.
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
No soy / No estoy
Word order: Spanish is 'No + Verb', English is 'Verb + Not'.
Je ne suis pas
English only uses one word (not) after the verb.
Ich bin nicht
German word order can change significantly in dependent clauses.
ではありません (dewa arimasen)
In Japanese, the 'no' comes at the end; in English, it's in the middle.
ليس (laysa)
Arabic negates the whole sentence structure with one specific 'negative verb'.
不是 (bù shì)
Like Spanish, Chinese puts the negative particle before the verb.
Learning Path
Prerequisites
Learn These First
相关视频
Related Grammar Rules
英语否定句：正确使用 'not'
有没有试过说 `I not like coffee` 然后看到对方一脸困惑？刚开始学的人都会这样。说“不”和说“是”一样重要。其实，你用否定句的...
Can: 疑问句与否定句
### 概述 ‘Can’ 在英语里是一个非常基础但又非常重要的助动词，它和我们平时学的一般动词（比如 `eat`, `go`, `study`）不太一...
提问'How'（多少，多少个，多久，多长时间，多大）
有没有在异国他乡盯着菜单发呆，心里盘算着手头的现金够不够付账？或者你试过在明天上班前，算计着还能狂刷几集 Netflix 的新剧...
复杂反问句：社交确认 (aren't I, shall we)
Overview 有没有发过短信后觉得需要别人的一点点肯定？你其实是在寻找“附加疑问句”（question tag）。这些是附在句子末尾的短小...
礼貌的极致：掌握间接疑问句
### 概述 在英语交流中，尤其是达到B2水平之后，我们不仅要追求意思的准确传达，更要注重表达的得体和委婉。间接疑问句（Indire...
