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 introduced
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "they have introduced" is correct and usable in written English.
You can use it when referring to the act of presenting or bringing something new into a situation, such as a product, idea, or policy. Example: "In the meeting, they have introduced a new strategy to improve team collaboration."
✓ 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
53 human-written examples
They have introduced a new element of partisanship into Congress.
News & Media
"They have introduced a new voice into the field.
News & Media
They have introduced legislation to delay action by the commission.
News & Media
Over at FireMillen.com, they have introduced a new logo.
News & Media
They have introduced her to ingredients like chiles de árbol.
News & Media
"They have introduced lots of artists and thinkers who many people were unfamiliar with before.
News & Media
"They are already in Panama and they have introduced weapons and explosives," he said.
News & Media
The Italian team say they have introduced a number of innovations to reduce inaccuracies.
News & Media
So they have introduced a 30-second spot called, appropriately, "Holiday".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
2 human-written examples
Together they have introduced almost 100 pro-business reforms since 2005.
News & Media
Therefore, they have introduced Direct Load Control System (DLCS) to automate the external control of shedding customer load that it controls.
Science
Expert writing Tips
Best practice
Use "they have introduced" when you want to emphasize the act of bringing something new into a system, discussion, or environment. For example, "They have introduced new safety protocols" highlights the addition of those protocols.
Common error
Avoid using "they have introduced" when the action is about fully implementing or executing something already introduced. Instead, use "they have implemented" or "they have executed" to reflect the completion of the process.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "they have introduced" functions as a verb phrase indicating an action performed by a group. It introduces something new, whether it's a policy, product, concept, or element, into a specific context. Ludwig AI confirms the phrase is usable in written English.
Frequent in
News & Media
68%
Science
18%
Formal & Business
8%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "they have introduced" is a commonly used and grammatically sound verb phrase used to indicate that a group has brought something new into a specific environment or context. Ludwig AI confirms its validity in written English.
As shown by Ludwig, it appears most frequently in news and media, followed by science and formal business contexts. This suggests a broad applicability across various writing styles, though leaning towards more formal or neutral registers. When using this phrase, consider if "they have launched", "they have presented" or "they have implemented" could be more precise depending on the intended emphasis.
Overall, "they have introduced" is a reliable choice for describing the action of presenting something novel, provided that the context aligns with the introduction rather than the full implementation or execution of said novelty.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
they have launched
Focuses more on the initial act of making something available or known, emphasizing the beginning.
they have presented
Emphasizes the act of formally showing or offering something for consideration.
they have established
Suggests setting up or creating something with the intent of permanence.
they have implemented
Focuses on putting a plan or system into effect, highlighting the practical application.
they have initiated
Highlights the start or beginning of a process or project.
they have pioneered
Implies being the first to develop or use something, emphasizing innovation.
they have unveiled
Suggests a formal or ceremonial introduction, often to the public.
they have debuted
Similar to "unveiled", but often used in the context of performances or products.
they have rolled out
Suggests a gradual and widespread introduction or deployment.
they have brought about
Focuses on causing something to happen or exist, emphasizing the result.
FAQs
How can I use "they have introduced" in a sentence?
You can use "they have introduced" to describe the act of presenting something new. For example, "they have introduced a new policy" or "they have introduced a new product".
What are some alternatives to "they have introduced"?
Depending on the context, you can use alternatives like "they have launched", "they have presented", or "they have established".
Is there a difference between "they have introduced" and "they have implemented"?
"They have introduced" refers to the initial act of presenting something new, while "they have implemented" refers to putting something into effect or action. Introduction comes before implementation.
When is it more appropriate to use "they have presented" over "they have introduced"?
Use "they have presented" when you want to emphasize a formal offering or showing of something, often for consideration or approval, rather than simply bringing something new into the mix.
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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested