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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 not done
Grammar usage guide and real-world examplesUSAGE SUMMARY
'has not done' is correct and usable in written English.
You can use it to convey that someone has yet to complete an action. For example: "The student has not done their homework yet."
✓ Grammatically correct
News & Media
Academia
Alternative expressions(19)
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
58 human-written examples
It has not done so".
Encyclopedias
She has not done that.
News & Media
This it has not done.
News & Media
He has not done that.
News & Media
This Sony has not done.
Academia
But it has not done so.
News & Media
Even so, he has not done badly.
News & Media
It has not done so yet.
News & Media
Mr Kennedy has not done it alone.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
2 human-written examples
"He hasn't done everything".
News & Media
"He hasn't done anything".
News & Media
Expert writing Tips
Best practice
When using "has not done", ensure that the context clearly specifies what action was expected or required.
Common error
Avoid using "have not done" with a singular subject. Ensure the auxiliary verb agrees with the subject's number, i.e., "he has not done" (singular) versus "they have not done" (plural).
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "has not done" functions as a verb phrase indicating the non-completion of an action. Ludwig AI confirms its grammatical correctness and usability in English. Examples show its usage across diverse subjects, all implying an unfulfilled expectation or task.
Frequent in
News & Media
70%
Academia
20%
Encyclopedias
3%
Less common in
Wiki
2%
Formal & Business
0%
Science
0%
Ludwig's WRAP-UP
In summary, the phrase "has not done" is a grammatically sound and frequently used expression to indicate that an action remains uncompleted. Ludwig AI affirms its correctness. It appears predominantly in News & Media and Academic contexts. While versatile, it's important to ensure proper subject-verb agreement and clarity regarding the expected action. Consider related phrases like "has failed to do" for nuanced expressions.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
has failed to do
Focuses on the lack of success in performing an action.
did not complete
Emphasizes the lack of finishing an action or task.
has not accomplished
Highlights the absence of achievement or fulfillment.
remains undone
Indicates that something is still in an unfinished state.
has not executed
Implies a lack of implementation or performance.
has neglected to do
Suggests a failure to act due to oversight or lack of attention.
omitted to do
Highlights the act of leaving something undone or unsaid.
left undone
Emphasizes the state of being unfinished or incomplete.
has not undertaken
Focuses on the lack of initiation or commencement of an action.
never did
Emphasizes that an action was never performed at any point.
FAQs
How can I use "has not done" in a sentence?
Use "has not done" to indicate that someone or something has not completed an action. For example, "The company "has not done" enough to address climate change".
What are some alternatives to "has not done"?
You can use alternatives like "has failed to do", "did not complete", or "has not accomplished" depending on the context.
Is it correct to say "have not done" instead of "has not done"?
"Have not done" is used with plural subjects (e.g., "they have not done"), while "has not done" is used with singular subjects (e.g., "he has not done"). Using the correct form ensures proper subject-verb agreement.
What's the difference between "has not done" and "did not do"?
"Has not done" implies that an action has not been completed up to the present moment, while "did not do" refers to a past action that was not performed. For instance, "He "has not done" his homework yet" versus "He "did not do" his homework last night".
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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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested