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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 have been implemented
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "could have been implemented" is correct and usable in written English.
It is typically used to discuss a possibility or hypothetical situation regarding the implementation of something in the past. Example: "The new software features could have been implemented more efficiently if the team had better resources."
✓ Grammatically correct
Science
News & Media
Wiki
Formal & Business
Encyclopedias
Alternative expressions(20)
should have been implemented
would have been implemented
could have been prevented
could have been torpedoed
could have been predicted
could have been killed
could have been asked
could have been injured
could have been given
could have been funny
could have been avoided
could have been breached
could have been rested
could have been done
could have been saved
could have been pruned
could have been prepared
should have been able
should have been utilized
ought to have succeeded
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
27 human-written examples
Its proponents also use Libya as an example, arguing that a no-fly zone could have been implemented much sooner if done at a European level.
News & Media
But the new government will have the arduous job of introducing the economic reforms that could have been implemented over the past 20 years, and which will instead strangle Italy in the months to come.
News & Media
This approach could have been implemented quickly and would have simplified the integration process for both parties.
News & Media
This iterative procedure could have been implemented directly in the block dedicated to the regional inversions (Fig. 1).
Science
A promising hypothesis is that parallel evolution involving similar pathways was forced by constraints that limit the options that could have been implemented (Hodin 2000; Abouheif 2008).
If algorithms could have been implemented without reading tweets from the database to Spark, Spark Cassandra connector may have had much better performance, and would have been more suitable for the purpose.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
33 human-written examples
Zardari said he thought it was not possible that terrorists could have launched attack boats from Karachi and the operation could not have been implemented without insider help from Indians.
News & Media
Yes, but feminism couldn't have been implemented unless there was this technological basis for a society where women went out and worked.
News & Media
Surveying was essential at the dawn of history, and some of the most significant scientific discoveries could never have been implemented were it not for the contribution of surveying.
Encyclopedias
However, each of the conceptual stores could also have been implemented with a different database technology.
Science
Without Germany, their decision to fight against Serbia could not have been implemented.
News & Media
Expert writing Tips
Best practice
Use "could have been implemented" to express that an action or plan was possible or feasible in the past but did not occur. Ensure the context clearly indicates why it was not implemented, if relevant.
Common error
Avoid using "could have been implemented" when you mean something is possible to implement now. Instead, use "could be implemented". The past perfect construction implies a missed opportunity or unrealized potential in the past.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "could have been implemented" functions as a modal verb phrase expressing a past possibility or hypothetical scenario where something was capable of being put into effect but was not. As Ludwig AI confirms, it is grammatically correct and widely used.
Frequent in
Science
44%
News & Media
36%
Wiki
8%
Less common in
Formal & Business
4%
Encyclopedias
4%
Reference
0%
Ludwig's WRAP-UP
The phrase "could have been implemented" is a grammatically sound and frequently used expression indicating a past possibility that remained unrealized. As Ludwig AI confirms, its primary function is to suggest an alternative action or reflect on a missed opportunity. It is commonly found in science, news, and media contexts. When using this phrase, ensure it is clear why the action wasn't implemented and avoid confusing it with present possibilities. Alternative phrasing such as "might have been implemented" or "should have been implemented" may be used depending on the specific nuance you intend to convey.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
might have been implemented
Replaces "could" with "might", indicating a slightly lower degree of possibility.
may have been implemented
Replaces "could" with "may", suggesting a possible action in the past, but with less certainty.
should have been implemented
Replaces "could" with "should", suggesting a moral or advisable action in the past.
would have been implemented
Replaces "could" with "would", indicating a conditional or hypothetical action in the past.
conceivably implemented
Replaces the entire phrase with an adverb emphasizing possibility.
potentially implemented
Similar to 'conceivably implemented', this alternative emphasizes the potential for implementation.
possibly implemented
Another adverbial alternative that highlights the possibility of implementation.
it was feasible to implement
This changes the structure to emphasize the feasibility of the action.
it was possible to implement
Similar to the previous, it focuses on the possibility of implementation.
an implementation was viable
Shifts the focus to the viability of an implementation.
FAQs
How to use "could have been implemented" in a sentence?
Use "could have been implemented" to indicate a past possibility that was not realized. For example: "The new features "could have been implemented" more efficiently with better resources."
What can I say instead of "could have been implemented"?
You can use alternatives like "might have been implemented", "should have been implemented", or "would have been implemented" depending on the context.
Which is correct, "could have been implemented" or "could be implemented"?
"Could have been implemented" refers to a past possibility that did not happen. "Could be implemented" refers to a present or future possibility. Choose the phrase that matches the time frame you are discussing.
What is the difference between "could have been implemented" and "should have been implemented"?
"Could have been implemented" indicates a past possibility, while "should have been implemented" suggests that it was advisable or necessary to implement something, but it did not happen.
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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
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested