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
by some are
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "by some are" is not correct in standard written English.
It appears to be an incomplete or improperly structured phrase that lacks clarity and context. Example: "By some are considered the best practices in the industry."
⚠ May contain grammatical issues
News & Media
Science
Encyclopedias
Alternative expressions(19)
some believe
do some consider
do some studying
engage in study
undertake some learning
do studying
hit the books
prepare by studying
review the material
delve into the subject
immerse oneself in study
do some study
do some surveys
done some studying
do some studies
do some examination
do some student
conduct surveys
carry out surveys
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
14 human-written examples
The confusion and contradictions displayed by some are as revealing as the honesty and insight of others.
News & Media
They have caught the mood in equality-conscious Europe, where the millions earned by some are stirring up resentment.
News & Media
Steamed buns, also called soup dumplings by some, are among the choices, and on one visit, the crabmeat and pork version was delicious.
News & Media
Several of Mr. Rao's alumni, referred to as Raoists by some, are gathering this summer in New York for his first alumni retreat.
News & Media
The failures of welfare reform – still viewed as a great success by some – are increasingly well known, even if public discussion of these flaws is muted.
News & Media
Simple shortenings, such as ad for advertisement, that some time ago might have been sneered at by some are now in common use.
Encyclopedias
Human-verified similar examples from authoritative sources
Similar Expressions
46 human-written examples
Some people are motivated by helping others, some are motivated by accomplishment, some by intellectual stimulation.
Wiki
But by chance, some are OK.
News & Media
What was felt as austerity by some was felt as possibility by many more.
News & Media
The supposedly linear performance with increasing draw solution concentration mentioned by some is incorrect.
Science
The tale of loss, even of cultural vandalism, being put about by some is simply wrong.
News & Media
Expert writing Tips
Best practice
Avoid using the phrase "by some are" in formal writing. It's generally considered grammatically incorrect. Rephrase your sentence to use a more direct and clear construction, such as "some believe are".
Common error
Avoid constructing sentences where the action is attributed to "some" in a way that obscures who specifically holds the belief or performs the action. Instead of "by some are", specify who is performing the action or holding the belief for clarity and accuracy.
Source & Trust
87%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "by some are" functions as an attempt to attribute a characteristic or action to an unspecified group, but it fails grammatically. Instead, Ludwig's examples show the need for rephrasing to indicate attribution more directly.
Frequent in
News & Media
32%
Science
29%
Academia
18%
Less common in
Encyclopedias
9%
Wiki
6%
Formal & Business
6%
Ludwig's WRAP-UP
The phrase "by some are" is generally considered grammatically incorrect in standard written English. Ludwig AI indicates it is an incomplete or improperly structured phrase. Instead of using "by some are", it's recommended to use clearer and more grammatically sound alternatives like "some believe are", "some consider to be", or "some say are". These alternatives improve clarity and ensure correct grammatical structure while conveying the intended meaning of attribution to an unspecified group. While examples of the phrase can be found in news, academic, and scientific contexts, you should avoid it and use its alternative.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
some believe are
Replaces "by some are" with a direct attribution, clarifying that the following statement is a belief held by some.
some consider to be
Similar to "some believe are", but suggests a more considered opinion or judgment.
some people think are
Explicitly mentions "people" to emphasize that the opinion is held by a group of individuals.
some say are
A more informal way of indicating that the information is attributed to an unspecified group.
certain individuals claim are
Emphasizes the definiteness of the belief and clarifies who has the belief.
it is thought by some to be
Passive construction, shifting the focus to the idea rather than the people holding it.
some assert that these are
Implies that belief is stated confidently
certain quarters suggest are
Expresses that the opinion is coming from specific entities.
according to some, these are
Attributes the belief to a source.
a few individuals posit are
Indicates the belief is from a small group.
FAQs
How can I rephrase a sentence that uses "by some are"?
Replace "by some are" with clearer alternatives like "some believe are", "some consider to be", or "some people think are" to make your writing grammatically correct and more understandable.
What's wrong with the phrase "by some are"?
The phrase "by some are" is grammatically awkward and doesn't follow standard English sentence structure. It's better to use phrases that clearly indicate who holds a particular belief or opinion.
Is it ever correct to use the phrase "by some are"?
In most cases, no. The phrase "by some are" is generally considered incorrect. It's advisable to rephrase your sentence to avoid this construction.
What are some common mistakes people make when trying to use the phrase "by some are"?
A common mistake is trying to use "by some are" to passively attribute an action or belief. A better approach is to actively state who believes or performs the action, using phrases like "some say are" or "it is thought by some to be".
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
87%
Authority and reliability
2.8/5
Expert rating
Real-world application tested