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
I was know
Grammar usage guide and real-world examplesUSAGE SUMMARY
The part of the sentence 'I was know' is not correct in written English.
The correct version would be 'I knew'. For example: "I knew I had to get to the store before it closed, but I didn't make it in time."
⚠ May contain grammatical issues
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
1 human-written examples
"I would hope someday that some folks would recognize me out in the street, know who I was, know the fact that, hopefully, I gave everything to my profession and that I love the game," he said.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
I was known; my car was known.
News & Media
I was known as a troublemaker.
News & Media
After this I was known as "Chin".
News & Media
I was known as "Frizzy Lizzy".
News & Media
I was known as the rapper.
News & Media
"I was known as a couple.
News & Media
I was known for creating poetry anytime.
News & Media
"I was known for not being knowable," he said.
News & Media
"I was known for blocking," he told me.
News & Media
But before that, I was known as Percy Sutton's friend".
News & Media
Expert writing Tips
Best practice
When aiming to convey the state of being recognized, prefer the passive form: "I was known".
Common error
A common mistake is using the base form of a verb after "was". Remember to use the past tense ("knew") or the past participle ("known") depending on the intended meaning. Using the word "know" after "I was" is grammatically incorrect.
Source & Trust
89%
Authority and reliability
1.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I was know" is grammatically incorrect. The correct form would be "I knew", where knew is the past tense of the verb to know. As pointed out by Ludwig, there are grammatical mistakes.
Frequent in
News & Media
33%
Science
33%
Formal & Business
33%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "I was know" is grammatically incorrect and should be avoided in formal writing. As Ludwig AI points out, the correct forms are "I knew" (past tense of knowing something) or "I was known" (indicating recognition by others). While there are limited examples, authoritative sources like The New York Times and The Guardian highlight the importance of using correct grammar. Therefore, always double-check verb tenses to ensure clarity and accuracy in your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
I knew
Corrects the grammar to the past tense of "know".
I was known
Changes the meaning to indicate passive recognition.
I am aware
Shifts to present tense expressing current knowledge.
I had knowledge
Emphasizes possession of information in the past.
I understood
Focuses on comprehension rather than general awareness.
I came to know
Describes the process of gaining knowledge.
I recognized
Highlights the act of identifying something or someone.
I ascertained
Implies a more formal or investigative discovery.
I perceived
Suggests awareness through the senses or intuition.
I comprehended
Emphasizes a deep level of understanding.
FAQs
What is the correct way to use "know" in the past tense with "I was"?
The grammatically correct forms are either "I knew", indicating you had knowledge, or "I was known", indicating you were recognized by others.
Can I use "I was know" in any context?
No, "I was know" is grammatically incorrect in standard English. You should use "I knew" or "I was known" instead.
What's the difference between "I knew" and "I was known"?
"I knew" means you possessed information or understanding. "I was known" means other people recognized or were familiar with you.
What are some alternatives to "I was known"?
Depending on the context, you could use phrases like "I was recognized", "I was identified", or "I had a reputation". Consider "I was famous" if recognition was wide spread.
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
1.8/5
Expert rating
Real-world application tested