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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
they were used
Grammar usage guide and real-world examplesUSAGE SUMMARY
'they were used' is correct and usable in written English.
You can use this phrase when referring to something that has taken place in the past. For example, "The knives were used to cut up the vegetables."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(19)
they had been utilized
they were employed for
they were designed to
they were served
they were preferred
they were reversed
they were dispensed
they were released
they observed used
they were endorsed
they were issued
they were chosen
they were suggested
they were transposed
they were same
they were already
they were able
they were exercised
they have used
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
They were used to it.
News & Media
They were used to that.
News & Media
They were used near the start.
News & Media
They were used to these interruptions.
News & Media
"They were used to subsidies," she said.
News & Media
They were used for massage, not masturbation.
News & Media
They were used to something else".
News & Media
That's how they were used to behaving.
News & Media
They were used to illegal parking.
News & Media
In short they were used to garnish.
News & Media
Certainly they were used in hunting, but opinions vary as to exactly how they were used.
Expert writing Tips
Best practice
Prefer the active voice if it provides clarity or conciseness, especially when the actor is important to the context. For example, instead of "The tools were used by the workers", consider "The workers used the tools".
Common error
Avoid using "they were used" when the subject of "they" is ambiguous or unclear from the context. Always ensure that the pronoun "they" has a clear and unambiguous antecedent to prevent confusion.
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "they were used" functions as a passive construction, indicating that a group of items or entities underwent an action performed by an unspecified or less important agent. It is used when the focus is on the object of the action rather than the actor. Ludwig AI confirms this construction is grammatically sound and usable.
Frequent in
News & Media
40%
Academia
30%
Science
20%
Less common in
Encyclopedias
3%
Wiki
4%
Formal & Business
3%
Ludwig's WRAP-UP
In summary, "they were used" is a grammatically correct and highly versatile phrase used to describe the past utilization of items or entities. As Ludwig AI confirms, this passive construction is common across a range of contexts, from formal academic writing and news reports to more informal discussions. The phrase's neutral register allows for broad application, though careful attention should be paid to ensuring clear pronoun reference. When clarity is paramount, switching to the active voice can improve sentence structure and readability. The most authoritative sources using the expression are The New York Times, The Guardian and Nature.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
they had been utilized
Emphasizes a more formal tone and suggests a purposeful application.
they served as
Focuses on the function or purpose that something fulfilled.
they were employed for
Highlights the active use of something for a specific reason.
they were designed to
Implies a specific intention or purpose behind their creation or modification.
they functioned as
Focuses on the operational role or behavior of something.
they were implemented in
Suggests a systematic or planned use within a particular system or process.
they were handled by
Highlights the agency and specifies the subject that was doing the action.
they found application in
Emphasizes the discovery and subsequent use of something in a specific area.
they were taken advantage of
Focuses on the utilization of something, usually for an advantage or benefit.
they were adopted for
Suggests a deliberate choice to use something for a particular purpose.
FAQs
How can I rephrase "they were used" to sound more formal?
For a more formal tone, consider using phrases like "they had been utilized", or "they were employed for" depending on the specific context.
Is it better to use active or passive voice when using "they were used"?
While "they were used" is grammatically correct, using the active voice can sometimes provide more clarity. For instance, instead of "The ingredients were used by the chef", you could say "The chef used the ingredients".
What's the difference between "they were used to" and "they were used"?
"They were used" indicates that something was utilized in the past. "They were used to" indicates that someone was accustomed to something. For example, "They were used to transport goods" versus "They were used to waking up early".
In what contexts is "they were used" most appropriate?
"They were used" is appropriate in contexts where the action is more important than the actor, or when the actor is unknown or irrelevant. It's commonly found in historical accounts, scientific reports, and procedural descriptions.
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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
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested