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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
has failed
Grammar usage guide and real-world examplesUSAGE SUMMARY
"has failed" is correct and usable in written English.
You can use it to indicate that someone or something has been unsuccessful or unsuccessful in achieving something. For example, "Despite his best efforts, John's attempt to pass his driving test has failed."
✓ Grammatically correct
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
60 human-written examples
"Clearly, rehabilitation has failed".
News & Media
"Persuasion has failed.
News & Media
Socialism has failed.
News & Media
The attempt has failed.
News & Media
This president has failed.
News & Media
McDowell has failed.
News & Media
That approach has failed.
News & Media
"Communism has failed.
News & Media
The coup has failed.
News & Media
But it has failed.
News & Media
This government has failed.
News & Media
Expert writing Tips
Best practice
Use "has failed" to clearly indicate that an attempt, plan, or system has not achieved its intended goal. Ensure the subject and context clearly define what specifically "has failed".
Common error
Avoid using "has failed" without specifying what exactly has failed. Vague statements can confuse the reader. Instead of saying "The project has failed", specify "The project to reduce carbon emissions has failed to meet its goals".
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "has failed" functions as a present perfect verb phrase, indicating that an action or event has not achieved its intended outcome or goal. As Ludwig AI confirms, this phrase is grammatically correct and widely used.
Frequent in
News & Media
78%
Academia
5%
Wiki
3%
Less common in
Formal & Business
3%
Science
3%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "has failed" is a grammatically sound and frequently used present perfect verb phrase that indicates the lack of success or achievement of something. As Ludwig AI states, it's a correct and usable phrase in English. The usage spans across various contexts, with a strong presence in news and media, reflecting its role in reporting and analyzing unsuccessful events or endeavors. When using this phrase, it's essential to provide specific context to avoid ambiguity and ensure clarity. Alternatives like "was unsuccessful" or "did not succeed" can offer nuanced ways to convey similar meanings.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
was unsuccessful
Replaces the verb "has failed" with a more descriptive adjective phrase, indicating a lack of success.
did not succeed
Uses a more straightforward and common alternative to express the lack of achievement.
proved ineffective
Highlights the lack of effectiveness as the reason for failure.
fell short
Emphasizes the inability to reach a required standard or target.
came to naught
A more formal way of saying that something has been unsuccessful or has achieved nothing.
was in vain
Indicates that the effort put in was ultimately useless and did not produce the desired outcome.
yielded no results
Focuses on the absence of any positive outcome or consequences.
did not work
A simple, direct way to express that something was not successful.
backfired
Implies that the action taken had the opposite of the intended effect.
collapsed
Focuses on the fact that something abruptly failed.
FAQs
How can I use "has failed" in a sentence?
You can use "has failed" to indicate that something has been unsuccessful in achieving its intended outcome. For example, "The experiment "has failed" to produce the desired results".
What are some alternatives to "has failed"?
Alternatives include "was unsuccessful", "did not succeed", or "proved ineffective" depending on the specific context.
Is it better to say "has failed" or "failed"?
The choice depends on the context. "Failed" is simpler and often sufficient, while "has failed" emphasizes that the failure has already occurred and has implications in the present.
What's the difference between "has failed" and "was a failure"?
"Has failed" describes an action or attempt that did not succeed, whereas "was a failure" describes something that is inherently unsuccessful or of poor quality. For example, "The mission "has failed"" vs "The product "was a failure"".
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested