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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 kept
Grammar usage guide and real-world examplesUSAGE SUMMARY
'were kept' is correct and usable in written English.
You can use it as the past tense, passive voice, of the verb 'keep'. For example, "The documents were kept in a secure location."
✓ Grammatically correct
News & Media
Science
Academia
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
No dogs were kept.
News & Media
Secrets were kept.
News & Media
All were kept busy.
News & Media
Only biopsies were kept.
Science & Research
Careful records were kept.
News & Media
Reporters were kept out.
News & Media
No cellphone numbers were kept.
News & Media
Most adoptions were kept secret.
News & Media
The children were kept away.
News & Media
Humans were kept away from them.
Academia
These files were kept in Marable's home.
Academia
Expert writing Tips
Best practice
When using "were kept", ensure the subject clearly identifies what was being maintained or preserved. This enhances clarity and avoids ambiguity.
Common error
Avoid shifting tenses within a sentence when using "were kept". Maintain a consistent past tense structure throughout the passage to ensure grammatical accuracy.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "were kept" functions as a passive voice construction in the past tense. It indicates that the subject of the sentence underwent an action of being maintained, stored, or preserved. As Ludwig AI suggests, it aligns with standard grammatical rules.
Frequent in
Science
36%
News & Media
34%
Academia
9%
Less common in
Formal & Business
3%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "were kept" is a grammatically sound and frequently used phrase indicating a past passive action of maintaining, preserving, or storing something. Ludwig AI confirms its grammatical correctness and wide applicability. Predominantly found in scientific, news, and academic contexts, its purpose is to describe a state resulting from a past action. When using this phrase, ensure clarity in subject identification and consistency in tense. Consider alternatives like "were maintained" or "were retained" depending on the specific context. By understanding its function, purpose, and appropriate usage, you can effectively incorporate "were kept" into your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
were maintained
Focuses on the ongoing upkeep and preservation of something.
were retained
Emphasizes holding onto something without significant change.
were preserved
Highlights the act of protecting something from decay or damage.
were sustained
Stresses the ability to continue or support something over time.
were conserved
Emphasizes the careful use and management of resources.
were guarded
Focuses on the protection from danger or harm.
were shielded
Highlights the act of protecting from something harmful.
were upheld
Emphasizes the act of maintaining or defending a principle or decision.
were stockpiled
Implies the accumulation of a large quantity of something for future use.
were archived
Focuses on storing something for historical purposes.
FAQs
How can I use "were kept" in a sentence?
What are some alternatives to "were kept"?
Alternatives include "were maintained", "were retained", or "were preserved". The best choice depends on the specific context and nuance you want to convey.
Is it correct to say "was kept" instead of "were kept"?
"Was kept" is singular, used with a singular subject (e.g., "The secret was kept"). "Were kept" is plural, used with plural subjects (e.g., "The secrets "were kept"").
What is the difference between "were kept" and "had been kept"?
"Were kept" indicates a simple past passive action. "Had been kept" indicates a past perfect passive action, meaning the keeping occurred before another point in the past. For example, "The books "were kept" in the library" vs. "The books had been kept in storage before they were moved to the library".
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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
4.5/5
Expert rating
Real-world application tested