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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
which I found
Grammar usage guide and real-world examplesUSAGE SUMMARY
'which I found' is a perfectly correct and usable phrase in written English.
It can be used as a relative pronoun to refer back to a previously mentioned noun or noun phrase in a sentence. For example: The book, which I found in a secondhand store, was a great bargain.
✓ Grammatically correct
News & Media
Science
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
57 human-written examples
She smiled and cracked a joke, which I found disappointing.
News & Media
You should be practicing,' which I found hilarious".
News & Media
They were in the audience, which I found startling.
News & Media
Hence the letter, which I found amusing for years.
News & Media
He'd read Catcher in the Rye, which I found stunning".
News & Media
Both are cut quite long, which I found quite flattering.
News & Media
They had very little to say during the course of the play, which I found perplexing.
News & Media
His face turned red, which I found refreshing, given how comfortable most politicians are with stonewalling.
News & Media
I had never held a lamb's tongue, which I found to be greasy and unnervingly humanlike.
News & Media
"There was this disdain for striving, which I found totally crippling," Maya said.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
And also color, which I find extraordinary.
News & Media
Expert writing Tips
Best practice
Use "which I found" to add descriptive or non-essential information about something previously mentioned in your writing. Ensure the clause is set off with commas.
Common error
Avoid using "that" when "which" is more appropriate. "Which" should be used for nonrestrictive clauses that add extra, non-essential information, while "that" should be used for restrictive clauses that are essential to the sentence's meaning.
Source & Trust
91%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "which I found" functions as a relative clause, modifying a noun or pronoun in the main clause. It introduces additional, non-essential information about the noun it modifies. Ludwig AI confirms this usage through numerous examples.
Frequent in
News & Media
67%
Science
17%
Formal & Business
4%
Less common in
Academia
3%
Encyclopedias
3%
Reference
3%
Ludwig's WRAP-UP
In summary, "which I found" is a versatile and grammatically sound phrase used to introduce nonrestrictive clauses, offering additional details about a previously mentioned subject. Ludwig AI confirms that the phrase is very common, especially in contexts like "News & Media" and "Science". When using this phrase, ensure it's properly punctuated with commas and that it refers clearly to a preceding noun or pronoun. While alternatives exist, such as "that I discovered" or "that I came across", the phrase "which I found" remains a clear and effective choice for adding context to your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
which I happened to find
Adds "happened to" to "find", emphasizing the accidental nature of the discovery.
that I discovered
Replaces "found" with "discovered", emphasizing the act of uncovering something new.
something I found
Rephrases the sentence to highlight the object "found" rather than the act of finding.
that I came across
Uses "came across" instead of "found", suggesting a chance encounter or discovery.
that I stumbled upon
Substitutes "found" with "stumbled upon", suggesting an accidental or unexpected discovery.
that I detected
Substitutes "found" with "detected", highlighting the act of noticing something, particularly something subtle.
that I unearthed
Replaces "found" with "unearthed", implying the uncovering of something hidden or buried.
that I located
Replaces "found" with "located", implying a more deliberate search and successful retrieval.
that I identified
Uses "identified" instead of "found", focusing on recognizing or distinguishing something specific.
that I ascertained
Uses "ascertained" instead of "found", suggesting a confirmation of something previously uncertain.
FAQs
How do I properly punctuate a sentence using "which I found"?
When using "which I found" to introduce a nonrestrictive clause (a clause that adds extra information but isn't essential to the sentence's meaning), always set it off with commas. For example: "The book, which I found in the attic, was a first edition."
What's the difference between using "which I found" and "that I found"?
"Which I found" introduces a nonrestrictive clause, providing additional but non-essential information. "That I found" introduces a restrictive clause, essential to the sentence's meaning. For example, "The pen that I found is blue" specifies which pen, whereas "The pen, which I found, is blue" just adds extra detail.
What can I say instead of "which I found" to sound more formal?
For a more formal tone, consider using phrases like "that I discovered" or "that I ascertained", depending on the specific context.
Is it grammatically correct to start a sentence with "which I found"?
No, it is not grammatically correct to start a sentence with "which I found". The phrase typically introduces a relative clause that modifies a preceding noun or pronoun. You should always have a noun or pronoun to which "which I found" refers.
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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
91%
Authority and reliability
4.5/5
Expert rating
Real-world application tested