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
we have acknowledge
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "we have acknowledge" is not correct in English.
It should be "we have acknowledged." You can use the correct phrase when you want to indicate that you have recognized or accepted something in the past. Example: "In our meeting, we have acknowledged the challenges we face in the upcoming project."
⚠ May contain grammatical issues
News & Media
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
1 human-written examples
I think we have acknowledge that, as much as I vehemently defend our public schools against corporatization and what I call the testocracy, our schools have long played the role of ranking and sorting students into different strata of society and have long sorted students of color in particular into the bottom.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
We have acknowledged the relevant funding agencies in the acknowledgements.
"The very fact that we have acknowledged that we need to look after their health is a tremendous acknowledgment of their dignity".
News & Media
We have acknowledged this mistake...
News & Media
As he said on Wednesday, "We have acknowledged our challenges.
News & Media
Mr. Tenet went to say, "We have acknowledged this mistake".
News & Media
"We have acknowledged some distribution problems this year, but we met every strict on-sale date".
News & Media
Now we have acknowledged luck, we can also acknowledge that fortune is only part of Shorten's story.
News & Media
"We have acknowledged the scale of our problems, and we have taken the necessary actions to solve them.
News & Media
"In cases before the Commodity Futures Trading Commission, we have acknowledged that people are entitled to due process in disciplinary proceedings," he said.
News & Media
Ross McEwan, the chief executive of RBS, said: "We have acknowledged for some time that mistakes were made.
News & Media
Expert writing Tips
Best practice
Always use the correct past participle form "acknowledged" after "we have". Using the base form "acknowledge" creates a grammatical error.
Common error
Ensure you don't use the base form of a verb after auxiliary verbs like "have". Instead of saying "we have acknowledge", use the past participle: "we have acknowledged".
Source & Trust
83%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "we have acknowledge" is intended to function as a present perfect construction, but it fails due to the incorrect use of the base form of the verb "acknowledge" instead of the past participle. As pointed out by Ludwig AI, the correct form is "we have acknowledged".
Frequent in
News & Media
50%
Science
50%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "we have acknowledge" is grammatically incorrect and should be avoided. The correct form is "we have acknowledged". As Ludwig AI points out, the error lies in using the base form of the verb "acknowledge" instead of the past participle. While it appears in some sources, including News & Media and Science, authoritative sources recognize that it's wrong. Use "we have acknowledged", "we have recognized", or similar alternatives to ensure grammatical accuracy and clarity in your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
we have acknowledged
Corrects the grammatical error by using the past participle of 'acknowledge'.
we have recognized
Replaces 'acknowledge' with 'recognized', offering a similar meaning with correct grammar.
we have admitted
Substitutes 'acknowledge' with 'admitted', implying a more direct acceptance of something, often negative.
we have conceded
Replaces 'acknowledge' with 'conceded', suggesting a reluctant acceptance or admission, often in an argument.
we have understood
Uses 'understood' in place of 'acknowledged', indicating a comprehension or awareness.
we have become aware of
Emphasizes the process of becoming conscious or informed about something.
we have taken note of
Suggests a formal or official acknowledgment of something.
we have registered
Indicates a record or formal acceptance of something, more specific than a general acknowledgment.
we have validated
Implies confirming or substantiating something's truth or validity.
we have noticed
Uses 'noticed' to suggest an observation or awareness of something, often subtle.
FAQs
What is the correct way to say "we have acknowledge"?
The correct way to say it is "we have acknowledged". The word "acknowledged" is the past participle of the verb "acknowledge" and is needed after "have".
What does "we have acknowledged" mean?
It means that a group of people ("we") has recognized, admitted, or accepted something as true or valid. It implies a formal or explicit recognition.
Can I use "we have acknowledge" in a formal setting?
No, "we have acknowledge" is grammatically incorrect and should be avoided, especially in formal settings. Use "we have acknowledged" instead.
Are there synonyms for "we have acknowledged"?
Yes, you can use phrases like "we have recognized", "we have admitted", or "we have conceded", depending on the specific nuance you want to convey.
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
83%
Authority and reliability
2.8/5
Expert rating
Real-world application tested