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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
it been demonstrated
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "it been demonstrated" is not correct in written English.
The correct form would be "it has been demonstrated." Example: "It has been demonstrated that regular exercise improves mental health."
⚠ May contain grammatical issues
Science
News & Media
Alternative expressions(20)
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
Just one researcher had observed this catapulting motion in the wild, and only now has it been demonstrated in the lab.
Science & Research
To the best of our knowledge, neither in Xia et al. nor in any other paper on the LCMNB approach has it been demonstrated that (i) the contribution of Eq. 22 is zero, i.e., ∑ j ( 1 − x j ) ln ν ij − ( L − 1 ) × ln p ( ω i ) = 0, ∀ i, i = 1, 2,.., C (23).
Science
Nor has it been demonstrated that this program even provides any uniquely valuable intelligence".
News & Media
It has not been established that the various therapy rating scales measure what they purport to measure, nor has it been demonstrated that their threshold scores are appropriate ones for viewing sessions as having been delivered well enough.
Only recently has it been demonstrated that lipopolysaccharide (LPS) induces the expression of HIF1α in macrophages and that the induction of hypoxic genes in macrophages is also Toll-like receptor 4 (TLR4 -dependent.
Science
Nor has it been demonstrated by any rigorous computation that combinatorial control of gene expression by protein complexes is insufficient to support the regulatory complexity required to make a human (to which alternative splicing of coding RNAs is likely to make a significant contribution - see for example[ 11]).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
"It's demonstrated in the branch every day.
News & Media
Most often, it was demonstrated in extracurricular activities.
News & Media
It was demonstrated recently when 1,701 people applied for just eight vacancies with Costa Coffee.
News & Media
Until it is demonstrated widely at a reasonable cost, then other technologies will attract the attention.
News & Media
It's demonstrated especially strongly in some of our closest relatives.
News & Media
Expert writing Tips
Best practice
Always use the correct grammatical form, such as "it has been demonstrated", "it was demonstrated", or "it is demonstrated", depending on the intended tense.
Common error
Avoid omitting auxiliary verbs like "has", "is", or "was" before "been" or other past participle forms. Doing so results in grammatically incorrect sentences.
Source & Trust
86%
Authority and reliability
3.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it been demonstrated" attempts to convey that something has been proven or shown to be true. However, it is grammatically incomplete. The correct form requires an auxiliary verb such as "has", "was", or "is". Ludwig AI confirms the grammatical error.
Frequent in
Science
65%
News & Media
30%
Formal & Business
5%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
While the phrase "it been demonstrated" appears relatively frequently, it is grammatically incorrect. Ludwig AI flags this error, indicating the need for an auxiliary verb to form a complete and correct sentence. Options include "it has been demonstrated", "it was demonstrated", or "it is demonstrated", depending on the desired tense. Although found across various sources, especially in science and news, ensuring grammatical accuracy enhances the credibility of your writing. Remember to select the correct tense and auxiliary verb to effectively communicate your intended message. Common errors include omitting these crucial auxiliary verbs. Always proofread to maintain clarity and professionalism.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
it has been demonstrated
Corrects the grammatical error by adding the auxiliary verb "has".
it has been shown
Replaces "demonstrated" with a synonym, "shown", while maintaining correct grammar.
it was demonstrated
Changes the tense to past, implying the demonstration occurred at a specific time.
it is demonstrated
Shifts to present tense, indicating an ongoing or regularly occurring demonstration.
studies have revealed
Emphasizes the findings of multiple studies.
research indicates
Highlights the role of research in providing evidence.
the results indicate
Highlights what the results indicates.
evidence suggests
Focuses on the evidence supporting a claim, rather than the act of demonstrating.
findings prove
Replaces "demonstrated" with "prove", indicating a stronger level of validation.
the data confirms
Highlights that the data confirms something.
FAQs
What is the correct way to say "it been demonstrated"?
The correct phrasing depends on the intended tense. Use "it has been demonstrated" for present perfect, "it was demonstrated" for simple past, or "it is demonstrated" for simple present.
What are some alternatives to "it been demonstrated"?
You can use alternatives like "it has been shown", "evidence suggests", or "research indicates" depending on the context.
Which is correct, "it been demonstrated" or "it has been demonstrated"?
"It has been demonstrated" is grammatically correct. "It been demonstrated" is missing the auxiliary verb "has".
How can I ensure I'm using the correct tense when saying something has been demonstrated?
Consider when the demonstration took place. If it's in the past and completed, use "it was demonstrated". If it started in the past and continues to the present, use "it has been demonstrated". If it's a general truth, use "it is demonstrated".
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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
86%
Authority and reliability
3.2/5
Expert rating
Real-world application tested