Used and loved by millions
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 not able
Grammar usage guide and real-world examplesUSAGE SUMMARY
'were not able' is correct and usable in written English.
You can use it when talking about an inability to do something in the past. For example: "We were not able to reach the summit before nightfall."
✓ Grammatically correct
News & Media
Science
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 not able to reschedule.
News & Media
We were not able to protect him".
News & Media
"Anyway, we were not able to get anything done".
News & Media
Residents themselves were not able to place feedback online.
News & Media
You were not able to open most jars.
News & Media
But then the Islanders were not able to follow up.
News & Media
The researchers were not able to specify an exact mechanism.
News & Media
I am sorry we were not able to help".
News & Media
"They were not able to descend," he said.
News & Media
"Tonight we were not able to do that".
News & Media
And they were not able to exploit him.
News & Media
Expert writing Tips
Best practice
Use "were not able" to clearly and directly state an inability to perform an action in the past. Ensure the context clarifies why the inability existed.
Common error
Avoid using "were not able" when "could not" would suffice and sound more natural. "Could not" often implies a general inability or lack of permission, while "were not able" often suggests a specific instance where ability was lacking due to circumstances.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "were not able" functions as a verbal phrase expressing past inability. Ludwig examples show its use in describing situations where someone or something lacked the capacity or opportunity to perform a specific action. It directly negates the ability to complete an action.
Frequent in
News & Media
44%
Science
42%
Wiki
3%
Less common in
Formal & Business
3%
Social Media
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "were not able" is a common and grammatically correct way to express a past inability. As Ludwig AI confirms, it's readily usable in various writing contexts. With numerous examples drawn from news, scientific articles, and more, its versatility is clear. While alternatives like "could not" and "unable to" exist, "were not able" offers a direct way to state a lack of capacity or opportunity in the past. Remember to consider the subtle nuances between it and similar phrases to enhance clarity in your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
could not
This alternative is a more concise way of expressing the same inability.
unable to
This alternative is a more formal and concise way of expressing the same inability.
did not manage to
This alternative suggests an attempt was made, but it was unsuccessful.
failed to
This alternative emphasizes the lack of success in performing an action.
incapable of
This alternative describes a general lack of capability.
lacked the capacity to
This alternative emphasizes a deficiency in the ability to do something.
were unequipped to
This alternative indicates a lack of necessary resources or skills.
were not in a position to
This alternative suggests external circumstances prevented the action.
found it impossible to
This alternative emphasizes the extreme difficulty or impossibility of the action.
were prevented from
This alternative highlights an external force hindering the action.
FAQs
How can I use "were not able" in a sentence?
"Were not able" is used to indicate a past inability to do something. For example, "They were not able to attend the meeting due to unforeseen circumstances".
What's a more concise alternative to "were not able"?
Is there a difference between "were not able" and "could not"?
While similar, "could not" often refers to a general lack of ability or permission, whereas "were not able" tends to describe a specific situation where ability was lacking due to circumstances.
When should I use "were not able" instead of "didn't succeed in"?
"Were not able" focuses on the lack of capacity or opportunity, while "didn't succeed in" implies an attempt was made. Use "were not able" when emphasizing the lack of capability rather than the failure of an attempt.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested