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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 they are free
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "once they are free" is correct and usable in written English.
It can be used to indicate a condition or situation that occurs after a subject has gained freedom or liberation. Example: "The animals will thrive in the wild once they are free from captivity."
✓ Grammatically correct
News & Media
Science
Wiki
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
7 human-written examples
The leave campaign has argued that businesses will thrive once they are free from "Brussels red tape" and the UK is permitted to independently forge its own free trade agreements.
News & Media
With the announcement that relations between the United States and Cuba are on the cusp of a major thaw, the North American sports community is anticipating the possibility of Cuban prospects flooding into Major League Baseball, once they are free to do so.
News & Media
No one, it seems, can predict – or even vaguely estimate – what proportion of the 29 million Bulgarian and Romanian citizens might drop in once they are free to do so, but one unnamed minister suggested that a bit of negative advertising might at least "correct the impression that the streets here are paved with gold".
News & Media
In California many come from the ranks of street gangs and return to those gangs once they are free.
News & Media
Nonetheless, several key informants felt that the private sector would 'snap up' clinical associates once they are free to leave the public sector.
Science
Once they are free from dirt, slice off the ends that have the stems, and cut an "X" shape at the bottom of the other end.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
53 human-written examples
The evidence is overwhelming that young people can be rehabilitated and expect to continue a useful and productive life once they are freed.
News & Media
His son and heir apparent Seif al-Islam el-Qaddafi led a well-publicized campaign to wean them from violence while they were in jail, but there is no assurance that the teachings will stick once they are freed.
News & Media
Mayor Michael Bloomberg has started an important new corrections initiative focused on mentally ill offenders, who make up about a third of the city's jail population and are more likely than other prisoners to resume criminal behavior once they are freed.
News & Media
Once I don't have to think about the mere remembering of the order of the words, once I have that I can add the rhythms, repetitions, expressions, actions... Usually the poems grow too into something different once they are freed from the page - and for the better.
News & Media
A thorough examination of the debilitating stigma faced by Boko Haram captives once they are freed.
News & Media
Expert writing Tips
Best practice
When using "once they are free", ensure the context clearly defines who "they" refers to and from what they are being freed. This avoids ambiguity and strengthens the sentence's clarity.
Common error
Avoid assuming that "once they are free" automatically implies a positive outcome. It's essential to consider what challenges or opportunities arise after gaining freedom, as the state of being free does not guarantee success or happiness.
Source & Trust
86%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "once they are free" functions as an adverbial clause of time, specifying when a particular action or state becomes possible. It sets a condition that must be met before the subsequent event can occur. Ludwig AI indicates that the phrase follows standard grammar rules.
Frequent in
News & Media
54%
Wiki
17%
Science
14%
Less common in
Encyclopedias
3%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "once they are free" is a grammatically sound and relatively common way to express a condition contingent on achieving freedom. As Ludwig AI confirms, the phrase is correct and usable in written English. It functions as an adverbial clause of time, setting a prerequisite for subsequent events. While its register is generally neutral, it appears most frequently in news and media contexts, with secondary usage in scientific and wiki environments. When using this phrase, ensure that the subject and the source of their unfreedom are clearly defined to avoid ambiguity. Alternatives like "after their release" or "once liberated" can be used to add variety and nuance to your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
once liberated
A more concise alternative, emphasizing the state of being freed.
after their release
Focuses on the action of being released, implying a prior state of captivity or restriction.
upon gaining freedom
Emphasizes the act of acquiring freedom, highlighting the transition from a state of unfreedom.
when they are no longer captive
Directly contrasts the state of freedom with a previous state of captivity.
when they achieve liberation
Highlights the attainment of liberation, suggesting a more comprehensive sense of freedom.
after gaining their independence
Focuses on the achievement of independence, implying a release from external control or influence.
following their emancipation
Emphasizes release from a specific form of subjugation or control.
on obtaining their liberty
Formally indicates the acquisition of liberty, highlighting the legal or social aspect of freedom.
after being set loose
Uses a more informal tone, suggesting a physical release from confinement.
subsequent to their freeing
Highlights the temporal sequence of events, emphasizing what happens after the act of freeing.
FAQs
How can I use "once they are free" in a sentence?
You can use "once they are free" to describe what happens after a group or individual achieves freedom from a constraint or captivity. For example, "Once they are free, they can pursue their dreams."
What are some alternatives to "once they are free"?
Alternatives include phrases like "after their release", "once liberated", or "upon gaining freedom". The best choice depends on the specific context and nuance you want to convey.
Is it grammatically correct to say "once they are free"?
Yes, it is grammatically correct. The phrase follows standard English grammar rules and is commonly used in both formal and informal contexts.
What's the difference between "once they are free" and "when they are free"?
While both phrases indicate a point in time after freedom is achieved, "once they are free" often implies a greater emphasis on the state of being free as a prerequisite for something else to occur, while "when they are free" is a more general temporal indicator.
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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
86%
Authority and reliability
4.3/5
Expert rating
Real-world application tested