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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
was existed in
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'was existed in' is not correct in written English.
To express the same idea, you can use 'was located in' or 'existed in.' Example: The ancient city of Babylon was located in what is now Iraq.
⚠ 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
8 human-written examples
The double-loop strong coupling problem was existed in the model of some power devices under dq coordinate system.
Science
Compared with the conventional injection technologies, major of NZVI was existed in surficial aquifer in the presence of magnetic field.
In this stage, the plant species change and soil salinization was existed in the alpine steppes as permafrost degradation, which should be considered in the related simulation study.
Science & Research
Obviously, the similar assembled structure of zigzag can be observed in D-I domain, meanwhile the characteristic porous network of melamine was existed in D-II area.
Science
It was shown that HIV-1 PV DNA was existed in the HIV-1 PV-infected MDM cells, but not in the non-infected cells (Fig. 1B).
Science
Yang et al. found that overexpression of AURKA was existed in 85.7% (6/7) cell lines and 93.1% (27/29) tumors [ 51].
Science
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
Multiple hydrogen bonds were existed in LDHs-X system.
It is observed that time optimal control is existed in the model.
According to XRD, Raman spectroscopy and FT-IR, graphene was demonstrated to be existed in the composite.
Science
"The tongue can be a vicious tool, but I could not believe such a lack of compassion for another human being existed in our kids," he said.
News & Media
It's existed in labs for decades, among researchers and experimental primates and other animals with no spread out into the open.
News & Media
Expert writing Tips
Best practice
When describing the presence of something in a specific context, prefer using "existed in", "was present in", or "was located in" for grammatical correctness.
Common error
Avoid using the passive voice construction "was existed in". It's grammatically incorrect. Choose active voice or use correct passive constructions like "was present in" or "was located in" instead.
Source & Trust
82%
Authority and reliability
2.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "was existed in" is an incorrect verb phrase. It attempts to combine the auxiliary verb 'was' with 'existed', but the correct form should either be 'existed in' (active voice) or a passive construction like 'was found in' or 'was present in'. Ludwig AI identifies this as an incorrect usage.
Frequent in
Science
57%
News & Media
43%
Encyclopedias
0%
Less common in
Wiki
0%
Formal & Business
0%
Academia
0%
Ludwig's WRAP-UP
In summary, the phrase "was existed in" is grammatically incorrect and should be avoided in formal writing. While it appears in some sources, including scientific and news media, its use is generally discouraged. Ludwig AI identifies the phrase as incorrect, recommending alternatives such as "existed in", "was present in", or "was located in". When aiming to express the presence or location of something, choosing grammatically sound alternatives will improve clarity and credibility.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
was present in
Replaces 'existed' with 'present', indicating a state of being there.
was found in
Substitutes 'existed' with 'found', often used when something is discovered.
occurred in
Uses 'occurred' instead of 'existed', emphasizing an event taking place.
was located in
Replaces 'existed' with 'located', specifying a place or position.
existed in
Corrects the tense and removes the auxiliary verb 'was'.
could be found in
Indicates the possibility of finding something in a particular location.
was identified in
Specifies the act of recognizing or discovering something in a certain context.
used to exist in
Implies that something previously existed but no longer does.
had presence in
Expresses that something had a presence or influence in a certain area.
held a place in
Suggests that something occupied a certain position or role.
FAQs
What is the correct way to say something was present in a certain place?
Instead of "was existed in", use phrases like "was present in", "was located in", or simply "existed in".
Is "was existed in" grammatically correct?
No, "was existed in" is not grammatically correct. The correct form is either "existed in" or a rephrased version such as "was found in" or "was present in".
What are some alternatives to "was existed in" that I can use in academic writing?
In academic writing, you can use alternatives like "was identified in", "was observed in", or "occurred in" to maintain a formal tone.
How can I avoid using "was existed in" in my writing?
Focus on using active voice or correct passive constructions. For example, instead of "was existed in", try "it existed in" or "it "could be found in"".
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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
82%
Authority and reliability
2.1/5
Expert rating
Real-world application tested