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
which had
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "which had" is correct and usable in written English.
You can use the phrase to indicate something happened before a particular moment in time. For example, "The chair, which had been in the room for twenty years, finally gave out."
✓ Grammatically correct
News & Media
Academia
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
60 human-written examples
French interest, which had been overheated, chilled.
News & Media
Those which had been stunned felt none.
News & Media
I had one which had three letters".
News & Media
Which had an odd consequence.
Academia
which had 9GB free.
News & Media
Which had engines?
News & Media
-- which had broader implications for the economy.
(F) which had further qualified the assets.
Academia
John's, which had difficulty scoring.
News & Media
Which had been my favourites?
News & Media
Which had he liked more?
News & Media
Expert writing Tips
Best practice
Use "which had" to provide additional, non-essential information about a noun. Remember to set off the clause with commas.
Common error
Avoid using "that had" when "which had" is more appropriate for non-restrictive clauses. "That had" is generally used for restrictive clauses that are essential to the sentence's meaning.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "which had" functions as a relative clause, introducing additional, non-essential information about a preceding noun. Ludwig confirms its proper grammatical use.
Frequent in
News & Media
38%
Academia
31%
Science
23%
Less common in
Wiki
3%
Formal & Business
2%
Reference
1%
Ludwig's WRAP-UP
The phrase "which had" is a versatile relative clause used to introduce additional information, as confirmed by Ludwig. Grammatically correct and widely applicable, it's most commonly found in news, academic, and scientific writing. While its function is primarily descriptive, offering supplementary context, "which had" maintains a neutral register, suitable for various communication styles. Remember to use "which had" for non-restrictive clauses, setting them off with commas, and consider alternatives like "that possessed" or "that included" for stylistic variation. Ludwig's examples demonstrate the phrase's broad usage across diverse contexts, affirming its importance in English writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that possessed
Replaces "which had" with a more formal synonym for "possessed", suitable for contexts where a more sophisticated tone is desired.
that included
Substitutes "which had" to emphasize the inclusion of something as a characteristic or component.
that featured
Replaces "which had" to highlight a prominent or noteworthy attribute or characteristic.
that contained
Similar to "that included" but emphasizes the presence of something within a specific entity or object.
that was equipped with
Offers a more descriptive alternative to "which had", specifying that something was outfitted or supplied with something else.
that presented
Replaces "which had" to focus on showcasing or displaying a particular quality or aspect.
that demonstrated
Substitutes "which had" to highlight the manifestation or exhibition of a specific attribute or characteristic.
that exhibited
Similar to "that demonstrated" but with a slightly more formal tone, indicating the display of a certain quality.
that bore
Replaces "which had" with a more literary or archaic term, suggesting the carrying or possessing of something.
that benefited from
Substitutes "which had" to emphasize the positive impact or advantage derived from possessing something.
FAQs
How do I use "which had" in a sentence?
Use "which had" to introduce a nonrestrictive clause, providing extra information about the noun it modifies. For example, "The book, "which had" a torn cover, was still readable."
Is it ever correct to use "that had" instead of "which had"?
"That had" is appropriate for restrictive clauses essential to the sentence's meaning. Example: "The only book that had a torn cover was removed from the shelf."
What are some alternatives to using "which had" in a sentence?
Alternatives include phrases like "that possessed", "that included", or "that featured", depending on the specific context. For example, "The museum, "that featured" ancient artifacts, was a popular tourist destination."
What's the difference between "which had" and "that had"?
"Which had" introduces nonrestrictive clauses (extra information), while "that had" introduces restrictive clauses (essential information). Correct: "The house, "which had" a large garden, was sold quickly." (extra info). Correct: "The house that had a large garden was sold quickly." (essential info).
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested