Difference between NO and NOT

 

Not

We use not after be, do or have to make a sentence negative.

• It is not raining.
• I do not like fish.
• I have not finished my work.
• We have not got a television.

We can use not to form the negative of modal verbs.

• I can't go.
• You mustn't be late.

We use not to make an adjective or adverb negative.

• Not surprisingly, he was found guilty.

We use not before a noun that has an article (a,an, the).

• There is not a cat outside the door.
• This is not the right way.

We can use not with much, many, any or enough.

• ‘Is there any coffee left?’ ‘Not much.’
• Not many people have heard the news.
• There is not any reason to doubt his story.

We use not to make any other phrase or clause negative.

• ‘Does the city tour run all year round?’ ‘Not in winter’

We can use not after or to express the negative possibility of a word, phrase or clause.

• Do you know the truth or not?
• Believe it or not, they're getting married.
• Are you coming with me or not?

We use not after verbs hope, expect, believe, etc. to give a negative reply.

• ‘Is there enough room for me?’ ‘I’m afraid not.’

No

We use no to give negative answers.

• ‘Do you have a client named John?’ ‘No.'

We use no before a noun without an article to mean ‘not one’; ‘not any’; ‘not a’

• There's no wine left.
• We have no time to lose.

No+noun is a stronger way of saying not any+noun.

• There are no newspapers left in the shop.
• There are not any newspapers left in the shop.

We don't use no with any.
We use no to say that something is not allowed.

• No smoking!
• No Entry!