Used and loved by millions
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 to do
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "has failed to do" is correct and usable in written English.
It can be used to indicate that someone or something did not accomplish a specific task or obligation. Example: "The company has failed to do what was promised in the contract."
✓ Grammatically correct
News & Media
Formal & Business
Science
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
57 human-written examples
He has failed to do so.
News & Media
This President Obama has failed to do.
News & Media
It has failed to do so.
News & Media
But it has failed to do so".
News & Media
So far, they said, she has failed to do that.
News & Media
This Israeli government has failed to do that.
News & Media
Mr Cameron, however, has failed to do this.
News & Media
So far, it has failed to do so.
News & Media
But parliament has failed to do this job.
News & Media
"Regrettably, the Congress has failed to do so.
News & Media
And in the 100m, he has failed to do that.
News & Media
Expert writing Tips
Best practice
When using "has failed to do", ensure the subject is clearly defined and the action it failed to perform is specific. This avoids ambiguity and strengthens the statement's impact.
Common error
Avoid using "has failed to do" when the subject performing the action is unclear. Always specify who or what failed to act, to maintain clarity and avoid confusion.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "has failed to do" functions as a predicate in a sentence. It expresses that the subject of the sentence did not succeed in performing a specific action. As Ludwig AI states, the phrase is grammatically correct and commonly used.
Frequent in
News & Media
75%
Formal & Business
15%
Science
10%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "has failed to do" is grammatically correct and commonly used to indicate a lack of success in achieving a specific action or goal. Ludwig AI confirms its correctness and usability. It appears most frequently in news and media, but also in formal business and scientific contexts. When writing, it's crucial to ensure the subject is clearly defined to avoid ambiguity. Alternatives include "did not succeed in doing" or "was unable to do", depending on the desired nuance.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
did not succeed in doing
Replaces "has failed" with a more explicit expression of lack of success. The rest of the sentence structure stays very similar.
was unable to do
Indicates a lack of ability rather than a failure of effort.
did not manage to do
Suggests an attempt was made, but it was unsuccessful.
fell short of doing
Implies a specific target or expectation that was not met.
neglected to do
Focuses on the omission or oversight of performing the action.
omitted to do
Formal term for neglecting to perform an action.
did not carry out
Emphasizes the non-execution of a task or plan.
failed in their attempt to do
More verbose and emphasizes the attempt made before the failure.
prove incapable to do
Alternative emphasizes incapability of doing the task.
was unsuccessful in doing
More formal rephrasing that emphasizes lack of success.
FAQs
What's a simple substitute for "has failed to do"?
You can use simpler phrases like "didn't do", or "did not manage to do" as alternatives. They maintain the original meaning with less formality.
How can I rephrase "has failed to do" to sound more formal?
For a more formal tone, consider using "was unsuccessful in doing" or "did not succeed in doing". These options add a layer of professionalism while retaining the core meaning.
Is there a difference between "has failed to do" and "did not attempt to do"?
Yes, "has failed to do" implies an attempt was made but was unsuccessful, while "did not attempt to do" indicates that no effort was made at all. The first assumes intention and effort, the second assumes a lack of it.
What are some common errors when using "has failed to do"?
One common mistake is using it with a vague subject. Always ensure it's clear who or what "did not succeed" in performing the action for clarity.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested