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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 caught
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "must be caught" is correct and usable in written English.
It can be used when indicating that something is necessary to be captured or apprehended, often in a context involving rules or requirements. Example: "In order to win the game, the player must be caught by the opposing team."
✓ Grammatically correct
News & Media
Encyclopedias
Science
Wiki
Alternative expressions(6)
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
45 human-written examples
"He must be caught.
News & Media
She said the perpetrator must be caught before someone is killed.
News & Media
The ball must be caught and thrown in one continuous motion.
Encyclopedias
While cheaters must be caught, effective studies of the T/E ratio are still lacking.
News & Media
But before it can be given a home, the alligator must be caught.
News & Media
"Rabbits must be caught calmly and with a minimum of chasing," the document stated.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
15 human-written examples
The innocent must be protected, but the guilty must also be caught, he will suggest.
News & Media
Harsh punishments are ineffective, since the cheat must first be caught.
News & Media
Even an article on abusive relationships moved readers to assert that children must not be caught in the crossfire.
News & Media
"Washington is dominated by elected and appointed functionaries who are schooled to believe they must never be caught having fun," Lait and Mortimer wrote.
News & Media
The girl of the title is Viveca (played with savvy double-edged radiance by LaChanze), who treats life as an open audition in which you must never be caught with your smile down.
News & Media
Expert writing Tips
Best practice
Consider the tone you want to convey. "Must" indicates a stronger obligation than "should" or "could".
Common error
Avoid using "must be caught" when an active voice construction would be more direct and clear. For instance, instead of "The thief must be caught by the police", consider "The police must catch the thief".
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "must be caught" functions primarily as a passive construction expressing necessity or obligation. As indicated by Ludwig AI, this phrase often appears in contexts where apprehension or capture is crucial. It's used to emphasize the requirement for someone or something to be caught.
Frequent in
News & Media
70%
Encyclopedias
10%
Science
10%
Less common in
Wiki
5%
Formal & Business
3%
Social Media
2%
Ludwig's WRAP-UP
In summary, "must be caught" is a grammatically sound and frequently used passive construction expressing the necessity of capturing someone or something. Ludwig AI confirms its usability in written English. It's prevalent in diverse contexts like news, encyclopedias, and science, and maintains a neutral register suitable for various writing styles. While synonyms like "needs to be apprehended" or "has to be captured" offer alternatives, the core meaning of obligation remains consistent. When using the phrase, clarity in context and awareness of the active vs. passive voice are key for effective communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
needs to be apprehended
Emphasizes the necessity of apprehension but uses different wording.
has to be captured
Replaces "must" with "has to", maintaining a similar level of obligation.
should be captured
Softens the obligation slightly compared to "must".
ought to be caught
Formal alternative expressing moral obligation.
is required to be caught
Formal and explicit about the requirement.
is essential to capture
Highlights the essential nature of the capture.
it's imperative to catch
Emphasizes the urgency and importance of catching someone or something.
absolutely needs catching
Emphasizes the absolute necessity.
cannot be allowed to escape
Focuses on preventing escape instead of the act of catching.
is liable for capture
States that someone is subject to being caught.
FAQs
How can I use "must be caught" in a sentence?
The phrase "must be caught" indicates a necessity or obligation for something or someone to be captured. For example: "The escaped prisoner "must be caught" before he harms anyone".
What are some alternatives to using "must be caught"?
Depending on the context, you can use phrases like "needs to be apprehended", "has to be captured", or "should be captured" as alternatives to "must be caught".
Is there a difference between "must be caught" and "should be caught"?
"Must be caught" implies a stronger obligation or necessity than "should be caught". "Should be caught" suggests a recommendation or advisability, whereas "must be caught" suggests a requirement.
When is it better to use "must be caught" instead of a more active phrasing?
Use "must be caught" when you want to emphasize the object or recipient of the action rather than the actor. For example, "The error "must be caught"" focuses on the error itself, not who needs to catch it.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested