has not been obtained

USAGE SUMMARY

"has not been obtained" is correct and usable in written English.
You can use it when referring to something that has not yet been acquired, gained, or achieved. For example: "The desired outcome has not been obtained, despite our efforts."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

The problem is that efficiency has not been obtained.

The Guardian - Business

However, direct evidence supporting these suggestions has not been obtained up to now.

Acta Materialia

The statement reported in The Post, a Hong Kong newspaper, has not been obtained directly by The Times.

The New York Times

To our knowledge this product has not been obtained in these ILs from these substrates up to now.

Journal of Cleaner Production

However, the exact proof of C2 continuity for the general SB-spline surfaces has not been obtained yet.

Graphical Models

"If approval is required and it has not been obtained, the board cannot just sit on its hands and do nothing," he said.

The New York Times

This suggestions has been supported by various physiological experiments, but so far direct evidence, invol ving measurements of intracellular Ca2+ levels, has not been obtained.

Nature

However, epistasis between the two promising mutational spots in AzoA has not been obtained in terms of substrate binding and azoreductase activity.

Biochemistry and Biophysics Reports

However, due to their lack of electrical conductivity, quantitative information of wall thicknesses and surface roughness, which are of particular interest to tissue engineering, has not been obtained.

Ultramicroscopy

Unlike their smectite counterparts, polymer/layered double hydroxide nanocomposites give reasonably good reductions in peak heat release even when good nano-dispersion has not been obtained.

Polymer

Outgoing letters from inmates of institutions requiring approval of correspondents may be disapproved only for the foregoing reasons, or if the addressee is not an approved correspondent of the inmate and special permission for the letter has not been obtained.

Cornell University

Expert writing Tips

Best practice

When using "has not been obtained", ensure that the context clearly indicates what specific thing or outcome was not achieved.

Common error

Avoid using "has not being obtained"; the correct form requires the past participle "been" rather than the present participle "being."

Linguistic Context

The phrase "has not been obtained" functions as a passive voice construction within a sentence. Ludwig AI identifies its primary function as stating that something was not acquired or achieved.

Expression frequency: Very common

Frequent in

Science

78%

News & Media

14%

Academia

8%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "has not been obtained" is a grammatically sound and frequently employed phrase, particularly in formal contexts such as science, news, and academia. According to Ludwig AI, this phrase is used to indicate that something has not been successfully acquired or achieved. While alternatives like "was not achieved" or "was not acquired" exist, "has not been obtained" remains a common and clear way to convey the absence of a desired outcome. When using this phrase, it is important to ensure that the context is clear and that the correct tense is used to avoid grammatical errors.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

was not acquired

Replaces "obtained" with "acquired", emphasizing the act of gaining possession.

was not achieved

Substitutes "obtained" with "achieved", focusing on the accomplishment of a goal or result.

was not secured

Replaces "obtained" with "secured", highlighting the effort to ensure something is gained or protected.

remains unacquired

Uses "unacquired" to indicate that something has not yet been gained.

is still lacking

Expresses the absence of something using a different verb structure.

is yet to be realized

Emphasizes that something is still in the future and hasn't happened yet.

has failed to materialize

Indicates that something expected or hoped for did not happen.

did not come to fruition

Suggests that efforts did not lead to a successful outcome.

proved unattainable

Emphasizes the difficulty or impossibility of obtaining something.

was unable to be gotten

Uses a more informal phrasing to express the inability to obtain something.

FAQs

How can I use "has not been obtained" in a sentence?

You can use "has not been obtained" to indicate that something expected or desired was not achieved or acquired. For example, "Despite repeated attempts, the necessary funding "has not been obtained"."

What are some alternatives to "has not been obtained"?

Some alternatives include "was not achieved", "was not acquired", or "remains unsecured", depending on the specific context.

Is it correct to say "has not being obtained" instead of "has not been obtained"?

No, "has not being obtained" is grammatically incorrect. The correct phrasing is ""has not been obtained"", which uses the past participle "been".

In what contexts is "has not been obtained" commonly used?

The phrase "has not been obtained" is frequently used in formal writing, scientific reports, and news articles to describe situations where a particular result, permission, or item was not successfully acquired.