English Negatives: Saying 'Not' (am not, isn't, aren't)
am not, isn't, and aren't unlocks clear negative communication with to be.
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
How This Grammar Works
Formation Pattern
be Form | Full Negative Form | Example |
I | am | am not | I am not ready. |
You | are | are not | You are not busy. |
He | is | is not | He is not a student. |
She | is | is not | She is not from London. |
It | is | is not | It is not cold outside. |
We | are | are not | We are not finished. |
They | are | are not | They are not at home. |
I | I am not | (None) | I'm not | (None) | I'm not hungry. |
You | You are not | You aren't | You're not | You aren't tired. | You're not tired. |
He | He is not | He isn't | He's not | He isn't here. | He's not here. |
She | She is not | She isn't | She's not | She isn't busy. | She's not busy. |
It | It is not | It isn't | It's not | It isn't correct. | It's not correct. |
We | We are not | We aren't | We're not | We aren't ready. | We're not ready. |
They | They are not | They aren't| They're not| They aren't students. | They're not students. |
When To Use It
- Talking about jobs or who someone is:
I am not a lawyer.(Maybe you are a student.)This isn't my phone.(It belongs to a friend.)They aren't teachers.(They are students.)
- Talking about feelings or how things look:
She isn't sad.(She is happy today.)The food isn't hot.(It is cold now.)We aren't tired.(We have lots of energy.)
- Talking about where things are:
He isn't at work.(He is at home.)The keys aren't on the table.(They are in my bag.)You aren't in the classroom.(You are in the park.)
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
| Form | Structure | Example |
|---|---|---|
|
Affirmative
|
Subject + am/is/are
|
I am happy.
|
|
Negative (Full)
|
Subject + am/is/are + not
|
I am not happy.
|
|
Negative (Short)
|
Subject + 'm not / isn't / aren't
|
I'm not happy.
|
|
Question
|
Am/Is/Are + Subject?
|
Are you happy?
|
|
Negative Question
|
Aren't/Isn't + Subject?
|
Aren't you happy?
|
|
Short Answer (-)
|
No, Subject + verb + not
|
No, I'm not.
|
Formality Spectrum
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)
The 'Not' Placement Map
Subject
- I I
- She She
Verb
- am am
- is is
Negative
- NOT NOT
Full vs. Short Forms
Choosing the Right Form
Is the subject 'I'?
Is it singular (He/She/It)?
Common Uses of Negative 'Be'
Feelings
- • I'm not sad
- • He isn't angry
Places
- • We aren't home
- • It isn't here
Jobs
- • She isn't a nurse
- • They aren't pilots
Examples by Level
I am not a student.
She is not at home.
They are not happy.
It is not a cat.
We aren't ready for the exam.
He isn't my boss anymore.
I'm not sure about this.
The shops aren't open on Sundays.
It's not that I'm angry, I'm just tired.
They aren't as tall as I thought.
She isn't usually this late.
You aren't allowed to smoke here.
The results aren't exactly what we expected.
I'm not going to lie, it was difficult.
He isn't being very helpful today.
Aren't you coming to the meeting?
It isn't so much a problem as it is an opportunity.
I'm not half the man I used to be.
The implications aren't immediately obvious.
She isn't one to complain.
The truth is not always palatable.
I'm right, aren't I?
It is not for me to say.
Were it not for your help, I would fail.
Easily Confused
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'.
Common Mistakes
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?
Sentence Patterns
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.
The 'Am' Exception
No 'Don't'
Emphasis
Politeness
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.
Pronunciation
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.
Memorize It
Mnemonic
Remember 'BAN': Be Always Next (to 'not'). The verb 'Be' is always next to the word 'not'.
Visual Association
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
Challenge
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.')
Cultural Notes
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'.
Conversation Starters
Are you a student?
Is it cold in your city today?
Are your friends at home right now?
Am I late for the meeting?
Journal Prompts
Common Mistakes
Test Yourself
I ___ a doctor. I am a nurse.
Which sentence is correct?
Find and fix the mistake:
They don't are at home.
Arrange the words in the correct order:
All words placed
Click words above to build the sentence
Nosotros no estamos cansados.
Answer starts with: We ...
Match each item on the left with its pair on the right:
Select the incorrect form.
A: Are you from London? B: No, I ___.
Score: /8
Practice Exercises
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.
Which sentence is correct?
Translate into English: 'No estamos listos para la cena.'
Arrange these words into a sentence:
Match the subjects with the correct negative form:
My phone ___ charged, so I can't call.
Hey, I not feeling great today.
Which of these statements is correct?
Translate into English: 'Esto no es posible.'
Put the words in the right order:
We ___ going to make it on time if we don't hurry.
The weather today not good.
Score: /13
FAQ (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
Related Videos
Related Grammar Rules
English Negation: Using 'not' correctly
Overview English negation means saying "no" or "not." You use it to say something is not true. This word helps you talk...
Can: Questions & Negatives
Overview `Can` is a very important word in English. You use it to talk about what you are able to do. You also use it to...
Asking 'How' Questions (How much, many, often, long, old)
Overview English relies on specific question forms to elicit particular details. Beyond simple `yes/no` inquiries, `how`...
Complex Question Tags: Social Checking (aren't I, shall we)
Overview Question tags are the short questions you add to the end of a statement, like `..., isn't it?` or `..., do you?...
Politeness at Its Best: Master Indirect Questions
Overview Indirect questions are a fundamental feature of sophisticated English communication, serving as a powerful too...
