Not
Used to make a statement negative.
Use 'not' to turn affirmative statements into negative ones by placing it after the auxiliary or linking verb.
Word in 30 Seconds
- Used to make verbs, adjectives, or adverbs negative.
- Usually placed after 'to be' or auxiliary verbs.
- Often contracted to 'n't' in spoken English.
Summary
Use 'not' to turn affirmative statements into negative ones by placing it after the auxiliary or linking verb.
- Used to make verbs, adjectives, or adverbs negative.
- Usually placed after 'to be' or auxiliary verbs.
- Often contracted to 'n't' in spoken English.
Use 'do' for action verbs
When you have a regular verb like 'eat,' you cannot say 'I not eat.' You must add 'do' to make it 'I do not eat'.
Avoid double negatives
In standard English, using 'not' with another negative word like 'never' or 'nothing' creates a double negative, which is considered incorrect.
Formal vs Informal Negation
Using 'do not' instead of 'don't' can make you sound more serious or emphatic. Choose your form based on the setting.
Examples
4 of 4I am not tired.
Do not enter the room.
I don't think so.
The results were not significant.
Word Family
Memory Tip
Remember that 'not' is a 'knot' that ties up a verb to make it negative. If you see an action, tie it with 'do not'.
Overview
'Not' is the primary tool for negation in the English language. It serves to contradict a statement or indicate that something is not the case. As an adverb, it modifies verbs, adjectives, or other adverbs, effectively flipping the polarity of a sentence from affirmative to negative.
Usage Patterns
In English, 'not' rarely stands alone. It almost always requires an auxiliary verb (do, does, did, can, will, have) or a linking verb (is, am, are, was, were) to function correctly. For example, 'I am not hungry' uses the verb 'to be,' while 'I do not know' uses the auxiliary 'do.' When using action verbs without an auxiliary, English speakers must add the dummy operator 'do' before inserting 'not.'
Common Contexts
'Not' is used across all registers, from casual conversation to formal academic writing. In speech, it is frequently contracted into 'n't' (e.g., 'don't,' 'can't,' 'isn't') to sound more natural and fluid. In formal writing, however, writers often prefer the full form 'not' to maintain a professional or precise tone. It is also used in tag questions ('It is cold, is it not?') and in emphatic structures ('Not only did he arrive, but he also brought gifts.').
Similar Words Comparison: While 'no' is used as a determiner or an interjection to express refusal or absence, 'not' is strictly an adverb of negation. You would say 'I have no time' (determiner) but 'I do not have time' (adverb). 'Never' is an adverb of frequency meaning 'not at any time,' which is more specific than the general negation provided by 'not.' Understanding the distinction between these words is essential for clear communication, as 'not' focuses on the action or state, whereas 'no' focuses on the existence of a noun.
Usage Notes
Use 'not' to negate. In formal writing, avoid contractions. Always ensure the auxiliary verb is present before 'not'.
Common Mistakes
Beginners often forget the auxiliary verb, saying 'I not go' instead of 'I do not go.' Another error is using 'no' instead of 'not' to negate verbs.
Memory Tip
Remember that 'not' is a 'knot' that ties up a verb to make it negative. If you see an action, tie it with 'do not'.
Word Origin
Derived from the Middle English 'not' or 'noght,' which evolved from Old English 'nawiht,' meaning 'naught' or 'nothing.' It has served as the primary negation particle for centuries.
Cultural Context
Negation is a universal linguistic necessity, but in English, the structure is strictly governed by the auxiliary verb system. Mastering 'not' is the first step toward expressing disagreement or denial.
Examples
I am not tired.
everydayDo not enter the room.
formalI don't think so.
informalThe results were not significant.
academicWord Family
Common Collocations
Common Phrases
not at all
not really
if not
Often Confused With
No is a determiner or interjection. Not is an adverb.
Never means 'not at any time.' It has a stronger frequency meaning.
Grammar Patterns
Use 'do' for action verbs
When you have a regular verb like 'eat,' you cannot say 'I not eat.' You must add 'do' to make it 'I do not eat'.
Avoid double negatives
In standard English, using 'not' with another negative word like 'never' or 'nothing' creates a double negative, which is considered incorrect.
Formal vs Informal Negation
Using 'do not' instead of 'don't' can make you sound more serious or emphatic. Choose your form based on the setting.
Test Yourself
Complete the sentence with the correct form.
She ___ like spicy food.
Since 'like' is an action verb, we need the auxiliary 'does' plus 'not'.
Score: /1
Frequently Asked Questions
3 questionsGenerally, no. 'Not' requires a verb to modify, though it can appear in short answers like 'I hope not' or 'Maybe not'.
'No' is used to negate nouns or as a standalone answer, while 'not' is an adverb used to negate verbs, adjectives, and adverbs.
Contractions are perfect for spoken English and informal writing. In academic or formal business documents, it is better to write 'do not'.
Learn it in Context
This Word in Other Languages
Related Grammar Rules
Related Phrases
Related Vocabulary
More general words
about
A1On the subject of; concerning something.
above
A2In a higher place than something or someone.
accident
A2An unfortunate event causing damage or injury.
action
A2The process of doing something, typically to achieve an aim.
after
A2Following in time or place; later than.
afterward
A2At a later or subsequent time.
again
A2Another time; once more.
aged
B1Of a specified age.
alive
A2Living, not dead.
all
A2The whole quantity or extent of something; every single one.