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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
it was once
Grammar usage guide and real-world examplesUSAGE SUMMARY
"it was once" is a correct and usable phrase in written English.
It can be used when referring to something that has occurred or existed in the past, but no longer does. For example: "It was once thought that the Earth was flat."
✓ 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
It was once considerable.
News & Media
Perhaps it was — once.
News & Media
Maybe it was once.
News & Media
It was once red.
News & Media
It was once the royal palace.
News & Media
IT WAS once a whole lot easier.
News & Media
It was once but it was beautiful.
News & Media
It was once occupied by cows.
News & Media
IT WAS once hailed as a miracle.
News & Media
Maybe it was once every other summer.
News & Media
TO THINK it was once nicknamed "Auntie".
News & Media
Expert writing Tips
Best practice
Use "it was once" to create a sense of nostalgia or highlight significant changes over time. This phrase effectively contrasts a past condition with the present, adding depth to your narrative.
Common error
Avoid using "it was once" when referring to a situation that is still ongoing or has only recently changed. The phrase implies a complete and distinct shift from the past.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it was once" functions as an introductory clause to describe a state, condition, or characteristic that existed in the past but is no longer true in the present. Ludwig AI confirms its validity and widespread use.
Frequent in
News & Media
80%
Formal & Business
10%
Wiki
10%
Less common in
Science
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "it was once" is a versatile phrase used to highlight changes over time by contrasting a past state with the present. As Ludwig AI confirms, the phrase is grammatically correct and widely used, particularly in news and media. When writing, consider the impact of this phrase on setting a tone of nostalgia or emphasizing significant shifts. Alternatives like "it used to be" and "formerly" can offer similar meanings with slight variations in emphasis. By understanding these nuances, writers can effectively communicate the intended message and provide historical context. The phrase maintains a neutral register that is flexible enough to fit various contents.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
it used to be
Emphasizes a habitual or continuous state in the past.
it had been
Highlights a state existing before a specific point in the past.
at one time it was
Adds emphasis to the temporal aspect of the past state.
it was formerly
Formal and direct way to indicate a previous state.
it was previously
Similar to 'formerly' but can imply a more recent change.
it had at one point been
Emphasizes a specific, though perhaps undefined, moment in the past.
it was back then
Informal way to refer to a past condition or situation.
in the past it was
Highlights the contrast between past and present.
it was considered in the past
More passive and highlights historical views.
once upon a time it was
More narrative and refers to a long time ago, a classic storytelling opener.
FAQs
How can I use "it was once" in a sentence?
Use "it was once" to describe something that existed or was true in the past but is no longer the case. For example, "It was once a small village, but now it's a bustling city."
What phrases are similar to "it was once"?
Similar phrases include "it used to be", "it had been", or "formerly". The best choice depends on the specific nuance you wish to convey.
Is "it was once" formal or informal?
"It was once" can be used in both formal and informal contexts, depending on the overall tone and subject matter. It's generally considered neutral in register.
What is the difference between "it was once" and "it used to be"?
While similar, "it was once" often implies a more distinct and complete change from the past, while "it used to be" can suggest a gradual change or a past habit.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested