Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
do not
Grammar usage guide and real-world examplesUSAGE SUMMARY
"do not" is a correct and usable phrase in written English.
When used as an imperative, it can be used to give instructions or commands, as in the following example: "Do not forget to bring an umbrella in case it rains."
✓ Grammatically correct
Science
News & Media
Wiki
Alternative expressions(20)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
do not work.
Science
We do not agree.
Do not, do not, do not.
News & Media
do not delocalize upon annealing.
Science
Therefore: do not judge.
News & Media
Do not watch Stonewall".
News & Media
Do not come.
News & Media
7 do not apply.
Do not need BIM.
Science
do not intubate.
Science
Stones do not move.
Expert writing Tips
Best practice
Use "do not" for formal instructions or warnings where clarity is essential. For less formal contexts, consider using "don't".
Common error
While grammatically correct, consistently using "do not" instead of "don't" in casual conversation can sound stilted or overly formal. Opt for "don't" to maintain a natural tone.
Source & Trust
74%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "do not" primarily functions as a negating auxiliary verb phrase. It is used to form negative imperatives, expressing commands or prohibitions. Ludwig AI shows this is a standard grammatical construction for conveying what should not be done.
Frequent in
Science
39%
Wiki
30%
News & Media
29%
Less common in
Formal & Business
2%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "do not" is a common and grammatically sound construction used primarily to express prohibitions, commands, or warnings. As Ludwig AI confirms, it functions as a negating auxiliary verb phrase. Its usage is widespread across various contexts, including science, news, and general informational content like wikis. While it is always grammatically correct, the full form of "do not" carries a slightly more formal tone compared to its contracted form, "don't". When writing, consider your audience and context to determine whether "do not" or "don't" is most appropriate. Remember, clarity is key when instructing or cautioning against certain actions.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
don't
This is a contraction of "do not", making it more informal.
do not ever
Adds emphasis to the prohibition, highlighting the importance of not doing something.
must not
Indicates a stronger sense of prohibition or obligation not to do something.
refrain from
A more formal and polite way to say "do not".
avoid
Suggests staying away from something rather than a direct prohibition.
you shouldn't
A more gentle and suggestive form of "do not".
be sure not to
Suggests caution and care in avoiding something.
it is advisable not to
A formal recommendation against doing something.
not allowed
Similar to 'prohibited' and indicates that something is not permitted.
prohibited
Expresses something that is forbidden and often implies that doing it is illegal.
FAQs
How to use "do not" in a sentence?
"Do not" is used to give a command or instruction in a negative way. For example, "Do not open the door" or "Do not touch that."
When should I use "do not" versus "don't"?
"Do not" is more formal and is often used in writing or when giving serious instructions. "Don't" is a contraction of "do not" and is more common in spoken language and informal writing.
What are some formal alternatives to "do not"?
Formal alternatives include phrases like "refrain from" or "must not" when giving instructions or expressing prohibitions.
Is it ever incorrect to use "do not"?
While grammatically correct, overusing "do not" in informal settings can sound unnatural. In casual conversations, using "don't" is generally preferred.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
74%
Authority and reliability
4.1/5
Expert rating
Real-world application tested