has been prolonged until

USAGE SUMMARY

The sentence "has been prolonged until" is correct and usable in written English.
You can use it when you are trying to communicate that something has been extended in time until a certain point. For example, "The deadline for the project has been prolonged until next Friday."

✓ Grammatically correct

Science

News & Media

Human-verified similar examples from authoritative sources

Similar Expressions

56 human-written examples

It may be the legal case has been prolonged and complex.

The Guardian - Film

As had been agreed at Luca in 56 bce, Caesar's commands had been prolonged for five years, apparently until February 28, 49 bce, but this is not certain.

Encyclopedia Britannica

But the construction, begun a year earlier, had been prolonged by conflict; an O.S.E.

The New Yorker

The war in eastern Ukraine may well have been prolonged as a consequence.

The Guardian - Opinion

At 1400 hours on day 1, the bird was removed from the arena if it had completed at least two escape flights (if it had completed one, the session was prolonged until 1500 hours).

Animal Behaviour

One reason for the improved situation in 2012/13 compared to five years earlier lies in the National Strategy for Palliative Care 2010 2012 [ 3], which has been recently prolonged until end 2015 because of the need for a more sustainable implementation of palliative care into regular health care.

BMC Medical Education

The trial was initially anticipated to take 5 y; recruitment was prolonged until it was anticipated that we would have sufficient pregnancies and stopped in February 2011.

American Journal of Clinical Nutrition

Then, burn-in was expanded and search was prolonged until the index had dropped below 0.05.

BMC Evolutionary Biology

The length and tenor of that course are unknown to the participants, who, as in a marital fight, are each convinced, above all things, that the fight will be prolonged until his or her own side has triumphed.

The New York Times

Experts fear that the confirmation process will be prolonged until next year.

The New York Times

But some analysts fear the ban could be prolonged until a commission appointed by the president provides its conclusions.

The New York Times

Expert writing Tips

Best practice

When using "has been prolonged until", ensure that the subject being prolonged is clearly defined and that the endpoint (the 'until' point) is specific and measurable. This avoids ambiguity.

Common error

Overusing passive voice constructions like "has been prolonged until" can make your writing sound vague. Consider whether an active voice construction would be clearer and more direct.

Linguistic Context

The phrase "has been prolonged until" functions as a verbal phrase in the passive voice, indicating that an action or state has been extended in duration up to a specific point in time. It conveys the idea of something being deliberately or circumstantially lengthened. Ludwig AI confirms that this phrase is correct and usable in written English.

Expression frequency: Rare

Frequent in

Science

50%

News & Media

40%

Encyclopedias

10%

Less common in

Formal & Business

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "has been prolonged until" is a grammatically sound way to express that something has been extended up to a certain point in time. Though relatively rare in occurrence, as Ludwig indicates, it's most frequently found in scientific and news media contexts. When using this phrase, ensure clarity regarding what is being prolonged and the endpoint. Alternatives such as "has continued until" or "has been extended to" may offer more directness. Ludwig AI validates its correctness and usability, suggesting confidence in its application.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

has continued until

Replaces "prolonged" with "continued", focusing on the action of continuing to a point.

has lasted until

Substitutes "prolonged" with "lasted", emphasizing duration.

has been extended to

Uses "extended to" instead of "prolonged until", providing a more direct approach.

has been ongoing until

Replaces "prolonged" with "ongoing", focusing on the continuous nature.

has remained in effect until

More formal alternative, emphasizing the continued validity or applicability.

has been in place until

Highlights the existence or establishment of something up to a certain point.

has been sustained until

Emphasizes the effort to maintain something up to a specific time.

has been maintained until

Similar to 'sustained', but can also imply a more passive continuation.

was prolonged up to

Uses "up to" which is a slightly less formal variant of "until".

was stretched until

Implies extending something with difficulty or beyond its natural limit.

FAQs

How can I use "has been prolonged until" in a sentence?

Use "has been prolonged until" to indicate that something has been extended in duration up to a certain point in time. For example, "The construction "has been prolonged until" conflict; an O.S.E. supporter who had volunteered to oversee the job quit halfway through."

What are some alternatives to "has been prolonged until"?

Alternatives include "has continued until", "has lasted until", or "has been extended to", depending on the specific context and desired emphasis.

What is the difference between "has been prolonged until" and "was prolonged until"?

"Has been prolonged until" suggests an action that started in the past and continues to have relevance in the present, while "was prolonged until" refers to an action completed in the past. Choose based on whether the effects or implications are still ongoing.

Is it better to use "has been prolonged until" or a more direct phrase?

While grammatically correct, "has been prolonged until" can sometimes sound less direct. Consider using simpler alternatives like "was extended to" or "continued until" for more concise writing.