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
a change which is
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a change which is" is correct and usable in written English.
It can be used when describing a specific change and providing further information about it. Example: "The report highlights a change which is necessary for improving our workflow efficiency."
✓ 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
10 human-written examples
But after his band split in 1997, Young God underwent a change, which is to say, its proprietor underwent a change.
News & Media
"But it needs to be a change which is fair overall and does take account of the fact that the wealthy have got to pay their share.
News & Media
Luckily I have a sneaky little tip - replacing the effect/affect with the influence/impact: Effect - A change which is a result or consequence of an action or other cause.
News & Media
Now, though, the European Parliament's civil liberties and home affairs committee is considering a change which is opposed both by social media firms and many child protection experts.
News & Media
This is because enough of the data being processed undergoes a change, which is then detected by the sequential likelihood test.
Then it is a change which is social SC) and since it is unbalancing the status quo (equilibrium) it is transformative(T), in other words, it is transformative social change (TSC).
Human-verified similar examples from authoritative sources
Similar Expressions
50 human-written examples
No orgies, for a change, which was nice.
News & Media
The Associated Press obtained a copy of a U.S.A.D.A. memorandum calling for such a change, which was dated June 1 and written by Travis Tygart, the U.S.A.D.A.'s director of legal affairs.
News & Media
TACOMA, Wash., Oct. 22 — The sun was shining for a change, which was good news for Richard Thompson, known throughout these parts as Solar Richard.
News & Media
The quadrant could highlight that it's time for a change (which was my situation more than 15 years ago, when no amount of prioritizing was ever going to overcome the fact I was in the wrong career).
News & Media
In isolates derived from DSY565, the individual deletion of CgCDR1 and PUP1 (SFY150 and SFY151) decreased CFU counts in a significant manner as compared to the parent strain, a change which was restored by revertants of the corresponding genes.
Science
Expert writing Tips
Best practice
When using the phrase "a change which is", ensure that the relative clause provides essential information that clarifies or limits the scope of the change being discussed. This enhances clarity and prevents ambiguity.
Common error
Avoid using "which" clauses excessively, especially when a simpler phrasing with "that" or a more direct sentence structure would improve readability. Overusing "which" can make your writing sound convoluted and less engaging.
Source & Trust
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a change which is" functions as a relative clause, providing additional information about a preceding noun. Ludwig examples illustrate its use in specifying the nature or consequence of a change. This phrase introduces a clause that describes a "change" in more detail.
Frequent in
News & Media
43%
Science
43%
Formal & Business
14%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "a change which is" serves to introduce a relative clause that elaborates on a preceding noun, offering additional details or explanations. While grammatically correct, and following the analysis of Ludwig, it should be used judiciously to avoid wordiness. Contexts that benefit most from this phrase include news reporting and scientific explanations, where clarity and detail are paramount. Consider using alternative phrasing, such as "a change that is", when aiming for conciseness without sacrificing meaning.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a modification that is
Replaces "change which" with "modification that" while preserving the meaning.
an alteration that is
Uses "alteration" instead of "change" and "that" instead of "which".
a shift that is
Substitutes "change" with "shift" and "which" with "that" to denote a transformation.
a transformation that is
Replaces "change" with "transformation" to emphasize a more significant alteration.
a development that is
Uses "development" in place of "change", suggesting a progression or evolution.
a revision that is
Replaces change with revision, especially in formal contents.
a variation that is
Substitutes 'change' with 'variation', highlighting the difference that exists between distinct items.
a turn that is
Replaces change with turn, specifically in the sense of direction or trend.
a conversion that is
Substitutes 'change' with 'conversion' highlighting the action of altering something into a different form.
an adjustment that is
Replaces change with adjustment, focusing on a small change made to something.
FAQs
How can I rephrase "a change which is" for conciseness?
You can often replace "a change which is" with alternatives such as "a change that is", or simply restructure the sentence to be more direct. For example, instead of "a change which is necessary", use "a necessary change".
What's the difference between "a change that is" and "a change which is"?
In many contexts, "that" and "which" are interchangeable. However, "that" is generally used for restrictive clauses (essential to the meaning), while "which" is used for non-restrictive clauses (additional information). For most cases, "a change that is" is preferred.
Is "a change which is" always grammatically correct?
While grammatically correct, "a change which is" can sometimes be wordy. Consider whether the "which is" adds significant value or if the sentence could be more concise without it. Rewording can often lead to a clearer sentence.
When should I use "a change which is" instead of other alternatives?
Use "a change which is" when you want to provide additional, non-essential information about the change. However, ensure it doesn't make the sentence cumbersome; in many instances, rephrasing for simplicity is preferable.
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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
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested