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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
must not make
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "must not make" is correct and usable in written English.
It can be used to indicate a prohibition or something that is not allowed to be done. Example: "You must not make any unauthorized changes to the document."
✓ Grammatically correct
News & Media
Science
Formal & Business
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
Labor must not make this error again.
News & Media
Visiting children must not make excessive noise.
News & Media
We must not make that mistake again.
News & Media
You must not make such fake accusations.
News & Media
We must not make the same mistake in this parliament".
News & Media
Mr Obama must not make the same mistake.
News & Media
We must not make the same mistake again.
News & Media
They must not make further cuts to already stretched services.
News & Media
Congress and state legislatures must not make the same mistake.
News & Media
The rules must not make it too easy for firms to get relief from their creditors.
News & Media
Mr Putin and Mr Medvedev must not make the same mistake twice.
News & Media
Expert writing Tips
Best practice
When using "must not make", ensure the context clearly indicates what action is being prohibited. Be specific to avoid ambiguity.
Common error
Avoid using "must not make" in casual conversations or informal writing. Simpler alternatives like "don't" or "shouldn't" are often more appropriate.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "must not make" functions primarily as a prohibitive construction, indicating something that is forbidden or strongly discouraged. Ludwig's examples show its use across various contexts, from rules and regulations to advice and warnings.
Frequent in
News & Media
48%
Science
27%
Formal & Business
10%
Less common in
Wiki
5%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "must not make" is a grammatically sound and frequently used expression that serves to indicate prohibition or strong discouragement. As confirmed by Ludwig AI, it appears most commonly in news, scientific, and formal business contexts, reflecting its utility in setting rules, conveying important advice, or outlining potential consequences. While generally neutral to formal in tone, it should be used judiciously in informal settings, where simpler alternatives may be more appropriate. When employing "must not make", ensure clarity in specifying the prohibited action to avoid ambiguity, and consider related phrases like "should not make" or "are not allowed to make" for nuanced expression.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is forbidden to make
Emphasizes that the action is strictly prohibited or disallowed.
are not allowed to make
Specifies that there is a rule or regulation forbidding the action.
must refrain from making
Emphasizes the act of holding back or abstaining from the action.
are required not to make
Indicates a formal requirement or obligation to avoid the action.
should not make
Changes the strength of the prohibition from a strong necessity to a recommendation.
it is imperative not to make
Highlights the critical importance of avoiding the action.
need to avoid making
Highlights the importance of preventing the action from occurring.
ought not to make
Adds a sense of moral obligation or advisability to the prohibition.
do not make
Presents a direct and simple command to avoid the action.
cannot make
Indicates an inability or impossibility, rather than a prohibition.
FAQs
How to use "must not make" in a sentence?
Use "must not make" to express a prohibition or strong recommendation against a particular action. For example, "You must not make any changes without authorization."
What can I say instead of "must not make"?
You can use alternatives like "should not make", "are not allowed to make", or "refrain from making" depending on the context.
Which is correct, "must not make" or "do not have to make"?
"Must not make" indicates a prohibition, while "do not have to make" indicates a lack of obligation. The correct choice depends on whether you want to forbid an action or simply state that it's unnecessary.
What's the difference between "must not make" and "cannot make"?
"Must not make" implies a rule or restriction, while "cannot make" indicates an inability to perform the action. For example, "You must not make noise in the library" (rule) vs. "I cannot make it to the meeting" (inability).
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested