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
are es
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are es" is not correct and usable in written English.
It appears to be a fragment or a typographical error, lacking context or clarity. Example: "The results are es..." (incomplete and unclear).
⚠ May contain grammatical issues
Science
News & Media
Wiki
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
6 human-written examples
Propositions and ideas belong to a "third realm" (World 3) outside of Bolzano's realm of reality which encompasses World 1 and World 2. Unfortunately, Bolzano uses the nouns 'Existenz'existencence') and 'Sein' ('being') synonymously with 'Wirklichkeit'realityity'); he therefore states again and again that there are (es gibt) propositions and ideas but they do not exist and they do not have being.
Science
However, it is not clear whether these OCT3/4-positive cells are ES cells from the grafts which survive when transplanted as contaminants of the tumorigenic differentiated cells or whether they represent another undefined cell population.
Science
According to Cohen [ 32], benchmarks for evaluating the importance of differences are: ES values < 0.49 are considered as small, values of 0.50 – 0.79 as medium, and values ≥ 0.80 are considered as large.
Induced pluripotent stem (iPS) cells are ES cell-like pluripotent cells, generated by the forced expression of defined factors in somatic cells, including Pou5f1/Oct4, Sox2, Klf4 and Myc (4).
Science
CD133 and ly6E have been reported as tumor-initiating cells (TIC) markers for breast cancer and pancreatic Cancer [ 46, 47], Nanog and Sox2 are ES cell markers that have been reported in poorly differentiated breast cancer, and correlated with poor survival [ 48].
Science
The most hydrophobic structures are Es, with an average hydropathy of 0.6 and an average MW of 132.5.
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
if |γ1 − γ2| > δ then problem is ES predictable, else problem is ES unpredictable. .
Science
The preferred alternate methods are ES-DMA + electrical sensing zone (ESZ), AUC, and AFFF.
Until a decade or so ago, the Yiddish term was es gezunterheyt, "eat in good health"; the Gaelic equivalent is slainte, "health".
News & Media
The effect size was ES =.03, showing a null effect of PTH on P300V.
Science
The effect size was ES =.28--an effect which, being greater than.20, proved to have practical significance.
Science
Expert writing Tips
Best practice
Avoid using the phrase "are es" in general writing due to its grammatical incorrectness. Ensure that the sentence is constructed properly and that the subject and verb agree in number.
Common error
A frequent error is using "are es" when the subject requires a singular verb form, or when 'es' isn't meant to be part of abbreviation. Always double-check subject-verb agreement to avoid these mistakes.
Source & Trust
82%
Authority and reliability
2.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are es" generally functions as an incomplete verb phrase, often indicating a fragment or error. As Ludwig AI points out, it lacks context and clarity, making it unsuitable for standard English.
Frequent in
Science
60%
News & Media
20%
Wiki
20%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "are es" is generally grammatically incorrect and should be avoided in formal writing. Ludwig AI indicates that it often appears as an incomplete or erroneous phrase. Although some examples exist in technical or abbreviated contexts, its use is limited. For clear and effective communication, consider replacing "are es" with grammatically correct alternatives based on the intended meaning. When proofreading your writing, ensure the subject and verb forms are consistent.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is
Changes the plural "are" to singular "is", altering the grammatical number agreement. For example, changing "the houses are es" to "the house is es".
are they
Adds a pronoun to form a question, shifting the sentence structure and purpose from a statement to an inquiry.
are these
Replaces "es" with "these", specifying a plural demonstrative pronoun, but altering the intended reference.
are we
Uses a different pronoun to change the subject of the sentence and the perspective.
is it
Combines the change to singular form with a pronoun to form a question. Also shift the sentence structure.
are there
Alters the sentence to introduce existence, changing the focus from a description to an assertion of presence.
is he
Changes the number and pronoun, focusing on a singular male subject.
are you
Change to question for addressing an individual.
are its
Adds a possessive pronoun to describe the characteristics, shifting the focus of the sentence
is this
Change to singular form, adding a demonstrative pronoun to define the subject of the phrase
FAQs
How can I correct the phrase "are es" in a sentence?
To correct "are es", you need to ensure subject-verb agreement and clarify the intended meaning. For a singular subject, use "is". For example, instead of "the results are es...", it should be "the result is..." or maybe use "are they".
What are some alternatives to using "are es"?
Is "are es" grammatically correct?
No, "are es" is generally not grammatically correct in standard English. The phrase often appears to be an incomplete sentence or a typographical error. Grammatical errors might include replacing this phrase with "is it", or other complete sentences.
When might "are es" be acceptable to use?
While generally incorrect, "are es" might be used in specific technical contexts or as an abbreviation within certain fields. However, for general writing, it is best to avoid this phrase and use grammatically correct alternatives or "are its".
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
82%
Authority and reliability
2.5/5
Expert rating
Real-world application tested