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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 be prevented
Grammar usage guide and real-world examplesUSAGE SUMMARY
"must be prevented" is correct and usable in written English.
You can use it to emphasize the importance of a situation or to express that an event or action should not take place. For example, "The spread of this disease must be prevented at all costs."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(20)
should be destroyed
should be evaded
should be overcome
has to be avoided
is not advisable
should be protected
highly discouraged
must be countered
heavily discouraged
needs to be stopped
is out of the question
should be prevention
must be stopped
ought not to occur
has to be prevented
must be eliminated
must be avoided
should be disqualified
extremely discouraged
is not permissible
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
He said this must be prevented.
News & Media
Such repressive rule must be prevented.
Academia
The BBC must be prevented from broadcasting this series.
News & Media
I get that deaths at sea must be prevented.
News & Media
The two-state solution must be prevented at all costs.
News & Media
That is a tragedy that must be prevented.
News & Media
Former paramilitaries must be prevented from taking up arms again.
News & Media
Overheating of the solid catalyst particles must be prevented through effective particle liquid heat transfer.
Science
"These kind of clampdowns which we have seen in China must be prevented.
News & Media
But there is a "looming threat" of drug resistance, which must be prevented.
News & Media
Civilian contractors must be prevented from being involved in the process of interrogation.
News & Media
Expert writing Tips
Best practice
Use "must be prevented" to express a strong obligation or necessity to stop something from happening. It's particularly effective in formal writing and when emphasizing the importance of preventative measures.
Common error
While "must be prevented" is grammatically correct, it can sound overly formal or dramatic in casual conversation. In less formal settings, consider alternatives like "needs to be stopped" or "should be avoided" to maintain a more natural tone.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "must be prevented" functions as a modal verb phrase expressing a strong necessity or obligation to hinder something from occurring. As confirmed by Ludwig AI, it's grammatically correct and widely used. The examples show its use across different domains, reinforcing its function as a directive.
Frequent in
News & Media
40%
Science
35%
Formal & Business
10%
Less common in
Encyclopedias
5%
Wiki
5%
Academia
5%
Ludwig's WRAP-UP
In summary, the phrase "must be prevented" is a grammatically sound and frequently employed expression used to convey a strong necessity to stop something from happening. Ludwig AI confirms its correctness and usability across a variety of contexts. While generally neutral to formal, it finds prominence in news, scientific, and business domains. For more casual contexts, consider alternatives like "should be avoided". Its effectiveness lies in its ability to emphasize the importance of preventative measures. The phrase appears most often in authoritative sources such as The Guardian, The New York Times and The Washington Post.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
should be averted
Replaces "must" with "should", indicating a slightly weaker obligation.
needs to be stopped
Substitutes "must be" with "needs to be", and "prevented" with "stopped" for a more direct expression.
has to be avoided
Replaces "must be" with "has to be" and "prevented" with "avoided", conveying a sense of necessity.
is imperative to stop
Uses "is imperative to" instead of "must be", emphasizing the urgency and necessity of stopping something.
is crucial to avert
Emphasizes the importance of averting something by using "is crucial to" instead of "must be prevented".
cannot be allowed
Replaces "must be prevented" with "cannot be allowed", highlighting the unacceptability of something happening.
it is vital to prevent
Highlights the vitality of the act of preventing something, using a more descriptive structure.
demands to be stopped
Emphasizes the urgency and necessity of stopping something by using "demands to be stopped" instead of "must be prevented".
requires preclusion
A more formal alternative, using "requires preclusion" to convey the need for prevention.
calls for prevention
Uses a different verb structure, focusing on the act of prevention being called for.
FAQs
How can I use "must be prevented" in a sentence?
Use "must be prevented" to indicate a strong necessity to stop something from happening. For example, "The spread of misinformation "must be prevented" to ensure informed decision-making."
What are some alternatives to "must be prevented"?
Alternatives include "should be avoided", "needs to be stopped", or "has to be prevented", depending on the level of formality and emphasis you want to convey.
Is "must be prevented" too formal for casual writing?
Yes, "must be prevented" can sound overly formal in casual writing. Consider using more relaxed alternatives like "needs to be stopped" or "should be avoided" in informal contexts.
Which is correct, "must be prevented" or "has to be prevented"?
Both "must be prevented" and "has to be prevented" are grammatically correct, but "must be prevented" generally carries a stronger sense of obligation or necessity.
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested