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
find to contain
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "find to contain" is not correct in standard written English.
It is likely intended to express the discovery of something within a certain context, but the construction is awkward and unclear. Example: "The researchers find that the sample contains a high level of contaminants."
⚠ May contain grammatical issues
Science
News & Media
Alternative expressions(5)
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
1 human-written examples
On the other hand, Descartes begins the Principles of Philosophy with the remark, "It seems that the only way of freeing ourselves from these [prejudices of childhood] is to make the effort, once in the course of our life, to doubt everything which we find to contain even the smallest suspicion of error" (Descartes, 1 193).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
The bottled water was found to contain chlorine bleach.
News & Media
The package was found to contain cocaine, the Coast Guard said.
News & Media
Many of them were also found to contain pig DNA.
News & Media
It was later found to contain data concerning flight training.
News & Media
Some were found to contain twice as much cholesterol.
News & Media
To Reed's surprise, the new tissue specimen was found to contain no sign of cancer.
News & Media
They were found to contain 265 mummified former denizens of Vac, from priests to ordinary townsfolk.
News & Media
The scandal climaxed with the news that some Findus lasagnes were found to contain 100% horsemeat.
News & Media
Many Stone Age graves, too, have been found to contain red ochre.
News & Media
Both their samples were found to contain the banned amphetamine oxilofrine.
News & Media
Expert writing Tips
Best practice
Avoid using the phrase "find to contain". Instead, use clearer and grammatically correct alternatives such as "find that it contains", "discover that it contains", or "is found to contain".
Common error
Do not directly translate from other languages or assume a literal word-for-word construction. The English language has specific idiomatic expressions for conveying the discovery of contents; using "find to contain" deviates from these norms.
Source & Trust
96%
Authority and reliability
1.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "find to contain" attempts to express the act of discovering something includes specific contents. However, it's a grammatically incorrect construction. Ludwig AI confirms that it doesn't conform to standard English usage, suggesting alternative formulations.
Frequent in
News & Media
50%
Science
50%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "find to contain" is a grammatically flawed phrase. Ludwig AI analysis indicates it's best to avoid this construction. Use alternatives like "find that it contains" or the passive form "found to contain" for clarity and correctness. While the intended purpose is to report a discovery, the incorrect phrasing undermines the message and credibility. Correct usage ensures effective communication across different contexts, like news, science, and formal writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
discover it contains
Replaces "find" with "discover" and restructures the sentence for clarity.
determine it contains
Uses "determine" instead of "find", implying a more conclusive discovery.
reveal it contains
Emphasizes the act of making something known that was previously hidden.
uncover that it contains
Suggests a more thorough and investigative process of finding.
establish that it contains
Implies proving something definitively.
detect presence of
Focuses on the act of detecting a substance or element.
identify as including
Shifts the focus to identifying components within something.
observe within
Suggests observation as the method of finding contents.
notice its composition
Focuses on noticing the elements that make up something.
ascertain that it holds
Implies finding out and confirming that something contains something else.
FAQs
How can I rephrase "find to contain" to be grammatically correct?
You can replace "find to contain" with more standard English phrases like "find that it contains", "discover that it contains", or "is found to contain". For example, instead of "Researchers find to contain new evidence", use "Researchers find that it contains new evidence".
What is a more formal way to say "find to contain"?
In formal writing, consider using phrases such as "determine that it contains" or "establish that it contains". These options, like "determine that it contains", lend a sense of authority and thoroughness to your statement.
Is "find to contain" ever considered correct in specific contexts?
No, "find to contain" is not considered correct in standard English. It's always preferable to use alternative phrasing for clarity and grammatical accuracy. The passive voice version, "found to contain", is a more acceptable option.
What's the difference between "find to contain" and "found to contain"?
"Find to contain" is grammatically incorrect and should be avoided. "Found to contain", like "found to contain", is a passive construction that is grammatically correct and commonly used to indicate that something has been discovered to include something else.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
96%
Authority and reliability
1.8/5
Expert rating
Real-world application tested