Correct spelling, explanation: do not is a full form of don’t, which is an auxiliary verb used to create a negative form of the Present Simple tense. Do not is used with a plural form and the first and second person singular. The equivalent of do not for the third person singular is does not. The full form of do not is mainly used in written and formal language.

Definition of do not:
1. auxiliary verb (Present simple) – a negative form, a full version of don’t,
They are teenagers so it’s natural that they do not want to spend their holiday with their parents because they prefer the company of their friends.

Idioms with do not:
A few interesting idioms with do not are: do not come cheap, clothes do not make the man, and do not have the heart to do something.
High-quality products do not come cheap, you need to spend much more if you want them.
Clothes do not make the man – it’s the personality that matters.
Her parents simply do not have the heart to tell her that her loving cat passed away.

Correct spelling

Incorrect spelling, explanation: apart from cannot, which as a full form is written together, all the negatives in English, when they are in full, are written separately. Therefore, the full form of don’t is do not. A number of English speakers tend to forget about it and they spell the form do not as donot, which is wrong.

Incorrect spelling

Incorrect spelling