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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
but were not
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "but were not" is correct and usable in written English.
It can be used to indicate a contrast or exception to a previous statement, often in a conditional or hypothetical context. Example: "The team had high expectations for the project, but were not prepared for the challenges that arose."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(19)
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 treated but were not hospitalized.
News & Media
Similar candy sorters have been made but were not patented.
Academia
Introductions were attempted in Florida, but were not successful.
Academia
They had severe brain damage but were not brain-dead.
News & Media
They respected each other but were not friends.
News & Media
The other cats noticed, but were not nearly as nasty.
News & Media
The contracts should have been competitively bid but were not.
News & Media
"Warnings were given but were not heeded," says the report.
News & Media
The signs were there but were not followed".
News & Media
"These had our pictures but were not Afghani passports.
News & Media
From here Russia took hold but were not ruthless enough.
News & Media
Expert writing Tips
Best practice
When using "but were not", ensure the preceding clause creates a clear expectation that is then contradicted. For instance, "The ingredients were prepared, but were not mixed together."
Common error
Avoid using "but were not" to connect clauses that lack a logical relationship. For example, don't write "The sun was shining, but the keys were not on the table." unless there's an implied connection.
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "but were not" serves as a coordinating conjunction introducing a contrast or exception to a previous statement. As Ludwig AI indicates, it's a grammatically correct way to link clauses where the second clause negates an expectation set by the first.
Frequent in
Science
37%
News & Media
31%
Academia
25%
Less common in
Wiki
2%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "but were not" is a versatile phrase used to introduce a contrast or exception. Ludwig AI confirms its grammatical correctness. It is found across diverse sources, particularly in science, news, and academic writing, indicating broad applicability. To effectively use this phrase, ensure a clear and logical contrast between the connected clauses. Avoid misusing it with unrelated statements. Remember to consider alternative phrases like "but did not" or "yet were not" for subtle variations in meaning.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
but did not
Replaces the auxiliary verb "were" with "did", providing a simpler negation.
yet were not
Substitutes "but" with "yet", emphasizing a contrast or unexpected situation.
however, they weren't
Uses "however" to introduce a contrasting statement with a more explicit subject.
though they weren't
Replaces "but" with "though", indicating a concession or contrast.
although they weren't
Similar to "though", but provides a stronger emphasis on the contrast.
but they hadn't
Shifts the tense to past perfect, implying a prior expectation or condition.
but it wasn't
Emphasizes a specific instance or situation that didn't occur.
even though they didn't
Introduces a stronger sense of unexpectedness or contradiction.
nonetheless they didn't
Uses a more formal connector to introduce a contrasting result.
despite that they weren't
Highlights the contrast despite a prior condition or circumstance.
FAQs
How can I use "but were not" in a sentence?
Use "but were not" to introduce a contrast to something that was expected or intended. For example, "The instructions were clear, "but were not" followed carefully."
What phrases are similar to "but were not"?
Alternatives include "but did not", "yet were not", or "however, they weren't", depending on the context.
Is it ever incorrect to use "but were not"?
It's incorrect if the clauses you're connecting don't have a clear relationship or if the contrast isn't logical. Ensure a genuine expectation is being contradicted.
What's the difference between "but were not" and "but didn't"?
"But were not" typically implies a state or condition that didn't exist, whereas "but didn't" suggests an action that wasn't performed. For example, "The doors were locked, "but were not" alarmed" versus "He intended to call, "but didn't"".
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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