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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
once it was
Grammar usage guide and real-world examplesUSAGE SUMMARY
'once it was' is correct and usable in written English.
You can use it to refer to a past event or state of affairs that no longer exists. For example: Once it was the largest city in the state, but now it has been surpassed by a larger metropolis.
✓ Grammatically correct
News & Media
Alternative expressions(20)
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
Once it was a hammer".
News & Media
ONCE it was the Walkman.
News & Media
Once it was said, "Be yourself".
News & Media
Once, it was for Mr. Mills.
News & Media
Once, it was a legal status.
News & Media
Once it was clear enough.
News & Media
Once it was character comedy.
News & Media
Once it was game theory.
News & Media
But once it was ugly.
News & Media
Once, it was much more popular here.
News & Media
Once it was the final frontier.
News & Media
Expert writing Tips
Best practice
Use "once it was" to create a sense of nostalgia or highlight a significant transformation over time. This construction is effective in storytelling and historical narratives.
Common error
Avoid using "once it was" when referring to a current state or something that is still true. This phrase should strictly describe a past situation that has changed.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "once it was" functions as an introductory element setting the stage for a comparison between a past state and the current state. It highlights a transformation or change over time. This construction is very frequent as suggested by Ludwig.
Frequent in
News & Media
99%
Formal & Business
0.5%
Science
0.5%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "once it was" is a versatile phrase used to contrast a past state with the present, found most commonly in news and media contexts. Ludwig AI confirms its grammatical correctness and broad applicability. When using this phrase, ensure it clearly references a past condition that no longer exists to avoid misuse. While alternatives such as "it used to be" or "formerly" can be used, "once it was" effectively sets the stage for highlighting significant changes over time.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
it used to be
Focuses on the habitual or customary nature of the past state.
it had been
Emphasizes the completion of the past state before another point in time.
it was formerly
Highlights the formal or official nature of the past state.
it was previously
Stresses the sequential nature of the change from the past state.
it had at one time been
Adds emphasis to the fact that the condition existed at some point in the past, but no longer does.
in the past it was
Changes the sentence structure, explicitly mentioning "in the past".
it existed as
Highlights the existence of the subject in a particular form or state.
it was once considered
Focuses specifically on a past belief or opinion.
it originated as
Emphasizes the origin or beginning of something in a particular state.
it started out as
Highlights the initial stage or condition of something.
FAQs
How can I use "once it was" in a sentence?
Use "once it was" to describe something that existed in the past but is no longer the case. For example, "Once it was a small village, but now it's a bustling city."
What are some alternatives to "once it was"?
You can use alternatives like "it used to be", "it had been", or "it was formerly" depending on the specific context.
Is it correct to say "once it will be"?
No, "once it will be" is not grammatically correct. "Once" is used with past or present tenses to indicate a condition that existed at a previous time. To refer to a future condition, use "once it is" or "when it is".
What's the difference between "once it was" and "formerly"?
"Once it was" is a phrase that introduces a past state, while "formerly" is an adverb that modifies a verb or adjective to indicate a previous condition. Although "it was formerly" is semantically similar to "once it was", "formerly" is generally used more formally.
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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