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
it caught them
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "it caught them" is correct and usable in written English.
You can use it to describe a situation where something has surprised or captured the attention of a group of people. Example: "The sudden change in weather caught them off guard during their picnic."
✓ Grammatically correct
News & Media
Academia
Wiki
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
8 human-written examples
"It caught them off guard.
News & Media
It caught them off guard, but they thought it was different and they liked it.
News & Media
In fact, they had some tests so far along in the planning process that they continued some limited testing after the Treaty was signed because it caught them by surprise.
Police officials did not give the family or their attorney a heads-up about their decision to release the video, said Nold, saying it caught them off-guard.
News & Media
Although we may not know for certain how Tanystropheus was catching aquatic animals, it is clear that it caught them: some specimens have been found with fish bones and parts of cephalopods (squid relatives) in their stomachs.
They acted cool but I think it caught them a bit off guard.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
This tribute to one of the most generous movie-star photographers flatters its subjects even as it catches them off guard.
News & Media
But this is a town fiercely proud not only of its tuna, but also of how it catches them: in two-man open boats, using hand-held lines and live bait like squid.
News & Media
"If they've never tasted it before, it catches them completely by surprise".
News & Media
Graham Greene's script is filled with dramatic touches that Carol Reed's camera perceptively catches; but it catches them as the actors put them over from the stage, playing toward it as if it were an audience.
News & Media
China is bound by treaty with its old ally North Korea to repatriate asylum seekers, who are regarded by North Korea as traitors, and China often quietly sends back North Korean migrants when it catches them.
News & Media
Expert writing Tips
Best practice
When employing the phrase, ensure the 'it' is clearly defined within the context to avoid ambiguity for the reader.
Common error
Avoid using "it caught them" if the antecedent of 'it' is unclear or ambiguous. Ensure the reader understands what 'it' refers to, or rephrase the sentence for clarity. For example, instead of "The complex system failed, and it caught them by surprise", specify: "The failure of the complex system caught them by surprise".
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it caught them" functions as a clause element, where 'it' is a subject pronoun referring to an antecedent event or situation, 'caught' is the verb, and 'them' is the object pronoun. Ludwig confirms its usability in written English.
Frequent in
News & Media
50%
Academia
25%
Wiki
13%
Less common in
Formal & Business
0%
Science
12%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "it caught them" is a grammatically sound and versatile expression used to convey a sense of surprise or unexpected revelation. According to Ludwig, this phrase is correct and usable in written English. While not exceedingly common, its occurrence across various domains like News & Media, Academia, and Wiki indicates its general acceptability. The phrase is suitable for neutral registers and serves the communicative purpose of highlighting unexpected impact or exposure. When using "it caught them", clarity in defining 'it' is crucial to avoid ambiguity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
it surprised them
Replaces the verb 'caught' with 'surprised', emphasizing the unexpected nature of the event.
it took them by surprise
Emphasizes the element of surprise and unpreparedness.
it found them out
Implies discovery, often in relation to a secret or wrongdoing.
it exposed them
Highlights the act of revealing something previously hidden.
it affected them
Focuses on the impact or influence exerted.
it impacted them
Highlights a strong effect or influence on the group.
it revealed them
Emphasizes the uncovering or showing of something.
they were discovered
Changes the sentence structure to a passive voice, focusing on the group being found.
they were found
A shorter version of "they were discovered" with the same meaning.
it apprehended them
Implies capture, often by an authority.
FAQs
What does "it caught them" mean?
The phrase "it caught them" generally means that something surprised a group of people or revealed something about them unexpectedly. The "it" refers to an event, action, or piece of information that had an unforeseen impact.
How can I use "it caught them" in a sentence?
You can use "it caught them" to describe a situation where a group was surprised or discovered due to something. For example: "The sudden policy change "it caught them off guard"".
What are some alternatives to "it caught them"?
Alternatives include "it surprised them", "it took them by surprise", or "it exposed them", depending on the specific nuance you want to convey.
Is "it caught them off guard" the same as "it caught them"?
While related, ""it caught them off guard"" specifically emphasizes the unpreparedness of the group. "It caught them" is broader and can simply mean they were surprised or found out, not necessarily that they were unprepared.
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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
4.1/5
Expert rating
Real-world application tested