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
they have implemented
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "they have implemented" is correct and usable in written English.
You can use it to indicate that a certain action or policy has been put into effect by a group or organization. Example: "After months of planning, they have implemented a new strategy to improve customer service."
✓ Grammatically correct
News & Media
Science
Formal & Business
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 have implemented a project to reduce customer waste in the deliveries of aluminium printing plates.
News & Media
We are also pleased to see they have implemented our recommendation to remove restrictions around thanking donors".
News & Media
There is also deep hostility to the Lib Dems in Labour ranks over the way they have implemented the coalition's programme of spending cuts.
News & Media
The policy is one of a number they say they have implemented to protect themselves and create a safe space that empowers survivors to take action.
News & Media
On Tuesday, Catholic bishops will release a major report detailing how well they have implemented policy reforms adopted since the revelations of sexual abuse began to spread.
News & Media
Universities will be able to charge up to £9,000 (rather than £6,000) in fees if they have implemented an access agreement.
News & Media
NHS Greater Glasgow and Clyde has postponed 44 procedures, while NHS Grampian cancelled 20 minor operations on Tuesday, while Welsh health boards reported that they have implemented special measures due to high capacity.
News & Media
They should come and report on how they have implemented their financing promises – from aid to tax evasion, climate finance to unfair debts and private sector regulation – because one without the other will no longer wash.
News & Media
They have invested in energy saving measures across their buildings and their transport fleet, they have implemented formal environmental and energy management systems, and they have published reports on their energy use and greenhouse gas emissions performance and targets.
News & Media
"My expectation is that we're going to learn their strategies and their practices that they have implemented in Amsterdam specifically, and make bike riding more popular and easier to happen across the city," Mr. Solis said.
News & Media
It's a claim that coalition ministers have made repeatedly, backed up by a sheaf of distributional analysis graphs published by the Treasury with every budget and autumn statement, and it allows Osborne and his colleagues to argue that they have implemented austerity fairly, with those with the broadest shoulders paying most.
News & Media
Expert writing Tips
Best practice
Use "they have implemented" when you want to clearly state that a group or organization has put a plan, policy, or system into effect. For instance, "After careful consideration, they have implemented a new employee wellness program."
Common error
Avoid mixing tenses when describing the implementation process. Ensure consistency by using the present perfect tense ("they have implemented") to indicate a completed action with present relevance, rather than switching to the simple past without reason.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "they have implemented" functions as a verb phrase indicating that a group or organization has put a specific plan, policy, or system into effect. As Ludwig AI shows, this phrase appears in various contexts to describe the execution of decisions.
Frequent in
News & Media
43%
Science
43%
Formal & Business
10%
Less common in
Wiki
2%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "they have implemented" is a grammatically sound and frequently used expression to indicate that a group or organization has put a plan, policy, or system into effect. As shown by Ludwig AI, it's common in news, scientific, and business contexts. For alternatives, consider "they have executed", "they have carried out", or "they have put into practice" to adjust the emphasis as needed.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
they have executed
Focuses on the successful completion and carrying out of a plan or order.
they have carried out
Emphasizes the action of performing or completing a task or instruction.
they have put into practice
Highlights the transition from theory to practical application.
they have enacted
Often used in the context of laws or policies coming into effect.
they have applied
Focuses on the use of a method or principle in a specific situation.
they have instituted
Suggests the formal establishment of a system or rule.
they have deployed
Implies strategic placement or use of resources or systems.
they have actioned
Highlights the taking of concrete steps to address an issue.
they have operationalized
Focuses on making something functional or ready for use.
they have affected
Indicates that changes have been made or influenced a system or process.
FAQs
How can I use "they have implemented" in a sentence?
Use "they have implemented" to indicate that a group or organization has put a plan, policy, or system into effect. For example, "After the trial period, "they have implemented" the new software system company-wide."
What are some alternatives to "they have implemented"?
You can use alternatives like "they have executed", "they have carried out", or "they have put into practice" depending on the specific context.
Is it correct to say "they implemented" instead of "they have implemented"?
Both "they implemented" and "they have implemented" can be correct, but they convey slightly different meanings. "They implemented" (simple past) refers to a completed action in the past. "They have implemented" (present perfect) suggests the action is completed and has relevance to the present.
What is the difference between "they have implemented" and "they are implementing"?
"They have implemented" indicates a completed action, meaning the implementation is finished. "They are implementing" (present continuous) means the implementation is currently in progress.
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested