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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
could not previously
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "could not previously" is correct and usable in written English.
It can be used to indicate that something was not possible or allowed at an earlier time but may be possible now. Example: "Due to technical limitations, we could not previously access the data, but now we have the necessary tools."
✓ Grammatically correct
News & Media
Science
Alternative expressions(5)
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
40 human-written examples
Yet California considers the standards high, because pupils could not previously regurgitate such information.
News & Media
They now have a chance to send their children to schools that they could not previously aspire to.
News & Media
But proponents of synthetic biology say that the more extensively modified yeast can make things that cannot be synthesized chemically and could not previously be made by fermentation.
News & Media
He also said that Kuwait might establish tribunals for crimes committed in the 1991 gulf war that could not previously be prosecuted because the war ended before Iraqi officials could be captured.
News & Media
The firms offering to act on a no-win-no-fee basis argue that it simply opens up the possibility of legal recourse for those defamed by newspapers who could not previously afford to bring an action.
News & Media
So the fact that large numbers of people could participate in the equity markets in ways that they could not previously — and for much lower costs than they used to be able to participate — I think is important.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
19 human-written examples
"We can now find leaks more quickly, leaks we couldn't previously detect, and we can also find leaks more accurately," says Keiron Maher, research and development manager at Severn Trent Water.
News & Media
But the "casual dining sector," as it is known, plays a central role in the ecosystem of eating, providing three-course, fork-and-knife restaurant meals that most people across the country couldn't previously find or afford.
News & Media
Over the past three years we have tried to get together a group of players all of whom, when they get on the pitch, are competitive – something that we couldn't previously do.
News & Media
There was your ownership society, the period from 1998 to 2005 during which households that couldn't previously get a mortgage got one (or often, several).We've now come full circle.
News & Media
"It allowed us to answer questions we couldn't previously answer".
News & Media
Expert writing Tips
Best practice
Use "could not previously" to clearly indicate a change in circumstances or abilities. For instance, 'We "could not previously" access the data due to technical limitations, but now we can.'
Common error
Be mindful of using "could not previously" when the context already implies a past inability. Saying 'We "could not previously" access the data before' is redundant; 'We "could not previously" access the data' is sufficient.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "could not previously" functions as a modal adverbial phrase. It modifies a verb phrase to indicate a past inability or impossibility. Ludwig examples show its use in describing changes in access, capabilities, and opportunities.
Frequent in
News & Media
38%
Science
38%
Formal & Business
12%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "could not previously" is a common and grammatically correct way to express that something was impossible or not permitted in the past, but is now possible. Ludwig examples show that it's frequently used in News & Media and Science contexts to highlight advancements or changes in circumstances. According to Ludwig AI, the phrase is valid and usable in written English. When using "could not previously", avoid redundancy by omitting unnecessary words like "before" and ensure the context clearly indicates the shift from past inability to present possibility. Alternatives include "was not able to before" and "had been unable to".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
was not able to before
Uses 'was not able' instead of 'could not', emphasizing the lack of ability in the past.
had been unable to
Emphasizes a state of being unable over a period of time leading up to the present.
was formerly unable to
Replaces 'previously' with 'formerly', stressing a change in ability over time.
couldn't do before
Uses a contraction and simplifies 'previously' to 'before' for a more informal tone.
never had the capacity to
Focuses on the lack of capacity or capability in the past.
lacked the opportunity to
Highlights the absence of opportunity rather than ability.
was prevented from
Indicates that external factors hindered the action.
was barred from
Implies a prohibition or formal restriction.
it was earlier impossible to
Focuses on the impossibility of the action at an earlier time.
did not have the option to
Highlights the absence of choice or possibility.
FAQs
What does "could not previously" mean?
The phrase "could not previously" means that something was not possible or permitted at an earlier time, but the situation has since changed, allowing it now. It indicates a shift from past inability to present possibility.
How can I use "could not previously" in a sentence?
You can use "could not previously" to describe a situation where something was impossible or unachievable in the past but is now possible. For example, "Due to technical limitations, we "could not previously" analyze the data in real-time."
What are some alternatives to "could not previously"?
Alternatives to "could not previously" include "was not able to before", "had been unable to", or "was formerly unable to". The best choice depends on the specific context.
Is it redundant to say "could not previously" before now?
Yes, adding "before now" to "could not previously" is generally redundant. The word "previously" already implies a past state, so adding "before now" repeats the same information. Use "could not previously" alone for conciseness.
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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