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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
were used for
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "were used for" is grammatically correct and can be used in written English.
It is typically used to indicate that something was utilized or employed for a specific purpose or action in the past. For example: - The horses were used for transportation before the invention of cars. - These tools were used for construction on the building. - The old books were used for kindling in the fireplace. In each of these examples, "were used for" is used to describe the past action of utilizing or employing something for a specific purpose.
✓ Grammatically correct
Science
News & Media
Academia
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
Printouts were used for output.
Academia
Telephone land lines were used for transmission.
News & Media
The vessels were used for storing wine.
News & Media
Windmills were used for pumps.
Encyclopedias
Plastic sleds were used for hauling provisions.
News & Media
But only three were used for that.
News & Media
Nominees were used for various legitimate reasons.
News & Media
The tables were used for gun maintenance.
News & Media
Some herbs were used for dyeing fabrics.
Wiki
The horses were used for playing polo.
Wiki
Five keys were used for memory operations.
Wiki
Expert writing Tips
Best practice
Use "were used for" to clearly indicate the past purpose or function of something, ensuring your sentence's meaning is direct and easily understood. This phrase works well in both formal and informal writing.
Common error
Avoid using "was used for" when referring to plural subjects. Ensure that the verb form agrees with the subject. For example, use "the tools were used for building", not "the tools was used for building".
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "were used for" functions as a passive verb construction indicating the purpose or function of something in the past. It is typically followed by a noun or gerund, as seen in examples from Ludwig such as "Printouts "were used for" output" or "Windmills "were used for" pumps".
Frequent in
Science
48%
News & Media
33%
Academia
2%
Less common in
Encyclopedias
2%
Wiki
5%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "were used for" is a grammatically correct and very common construction used to describe the past purpose or function of something. As Ludwig AI confirms, this phrase is suitable for various contexts, from scientific research to general news reporting. While versatile, it's essential to maintain subject-verb agreement and consider alternative phrasings like "served as" or "were employed as" for stylistic variation. With its frequent presence in reputable sources such as PlosOne, The New York Times, and The Guardian, mastering the usage of "were used for" will undoubtedly enhance clarity and precision in your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
served as
Emphasizes the function or role something fulfilled.
were employed as
Highlights the act of utilizing something for a specific purpose.
were utilized in
Focuses on the context or application in which something was used.
were designed for
Indicates the intended purpose or initial design of something.
were intended for
Similar to "were designed for", but can also imply a purpose that was not necessarily realized.
were made for
Suggests a natural or inherent suitability for a particular use.
were implemented for
Highlights a formal or systematic application of something.
were assigned to
Implies a directed or allocated use of something.
were devoted to
Emphasizes the dedication or commitment of something to a specific purpose.
were adapted for
Indicates that something was modified or changed to suit a new purpose.
FAQs
How can I use "were used for" in a sentence?
The phrase "were used for" indicates the past purpose of something. For example: "These rooms "were used for" storage", or "The funds "were used for" research".
What are some alternatives to "were used for"?
Alternatives include phrases like "served as", "were employed as", or "were utilized in", depending on the nuance you want to convey. Each of these alternatives can slightly alter the meaning or emphasis of your sentence.
Is it correct to say "was used for" instead of "were used for"?
The correct form depends on the subject of the sentence. "Was used for" is appropriate for singular subjects (e.g. "The hammer was used for building"), while "were used for" is for plural subjects (e.g. "The tools "were used for" building").
What is the difference between "were used for" and "were intended for"?
"Were used for" describes an actual past usage, while "were intended for" describes a planned or designed purpose, whether or not it was actually fulfilled. For example, "The space "were used for" storage" (actual use), vs. "The space "were intended for" storage" (planned use).
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested