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 changes
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a changes" is not correct or usable in written English.
To make it correct and usable, you can either add an article and an adjective, "a major changes," or you can rephrase it so that it's a complete sentence, such as, "There have been major changes." Example: The impact of the pandemic has brought about a major changes in how business is conducted.
⚠ May contain grammatical issues
Science
News & Media
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
50 human-written examples
He openly wondered if the front office needed to make a changes with coaches or players.
News & Media
Now, I am determined to be part of solution: to raise awareness and to agitate for a changes in policy and the law.
News & Media
a Changes on mechanical allodynia.
a Changes in dv/v over time at each station.
a Changes in VEGF levels as measured by ELISA.
Science
a Changes in tumour volume with rapamycin therapy.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
10 human-written examples
There was a significant period effect on fetuin-A changes (P = 0.01).
Science
(a) A-changes.
Science
The degenerative process usually starts within the nucleous pulposus representing A-changes.
Science
The MMSE estimator, as described in (17), is of considerable complexity since a matrix inversion is needed every time the data in A ̄ changes.
The following are indications of clinical depression EXCEPT: a. Changes in sleep patterns b.
Science
Expert writing Tips
Best practice
When referring to alterations, ensure grammatical accuracy by using "some changes", "a change", or rephrasing the sentence for clarity.
Common error
Avoid using the phrase "a changes" directly. Instead, opt for grammatically correct alternatives such as "some changes", "a modification", or restructuring your sentence to incorporate a verb that reflects the act of changing.
Source & Trust
84%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a changes" functions as a noun phrase intended to denote alterations or modifications. However, it is grammatically incorrect due to the mismatch between the singular article "a" and the plural noun "changes". Ludwig AI confirms this grammatical error.
Frequent in
Science
57%
News & Media
43%
Formal & Business
0%
Less common in
Wiki
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "a changes" is grammatically incorrect due to the mismatch between the singular article "a" and the plural noun "changes". Ludwig AI identifies this as an error, suggesting corrections such as "some changes", "a modification", or rephrasing the sentence for clarity. While the phrase appears in both scientific and news-related contexts, its incorrect usage impacts its credibility and clarity. To avoid this, consider using grammatically sound alternatives like "certain changes" or restructuring your sentence to incorporate a verb that reflects the act of changing. Always ensure grammatical accuracy to maintain clarity and professionalism in your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
some changes
Replaces the indefinite article "a" with the plural "some", correcting the grammatical issue and implying multiple alterations.
a modification
Substitutes "changes" with the singular noun "modification", maintaining the singular form while being grammatically sound.
a shift
Replaces "changes" with the singular noun "shift", offering a slightly different nuance while preserving grammatical correctness.
a transformation
Substitutes "changes" with the more dramatic "transformation", implying a significant alteration while maintaining grammatical correctness.
an alteration
Replaces "changes" with the noun "alteration", using the correct article "an" and maintaining a similar meaning.
a revision
Substitutes "changes" with "revision", implying a correction or improvement and maintaining grammatical correctness.
a development
Replaces "changes" with "development", suggesting a progression or evolution while maintaining grammatical correctness.
certain changes
Using "certain" adds specificity and maintains grammatical correctness by implying known or specific alterations.
adjustments
Replaces the phrase with the plural noun "adjustments", which implies corrections and modification.
various changes
Using "various" emphasizes a diversity in changes and also fixes the grammar.
FAQs
How can I correct the phrase "a changes"?
The phrase "a changes" is grammatically incorrect. You can correct it by using "some changes", "a modification", or rephrasing the sentence entirely.
What are some alternatives to "a changes" that are grammatically correct?
Grammatically sound alternatives include "certain changes", "adjustments", or "a revision". Consider the context to choose the most appropriate replacement.
Is it ever correct to use the phrase "a changes"?
No, the phrase "a changes" is not grammatically correct in standard English. Always use a corrected form like "some changes" or "a shift" instead.
How does using "some changes" differ from the incorrect "a changes"?
Using "some changes" corrects the grammatical error by using a plural form that aligns with the indefinite plural article "some". The incorrect phrase "a changes" uses a singular article with a plural noun.
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
84%
Authority and reliability
2.8/5
Expert rating
Real-world application tested