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 built
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "they have built" is correct and usable in written English.
You can use it to indicate that a group of people has completed a construction or creation process in the past, with relevance to the present. Example: "They have built a new community center that will serve as a hub for local events."
✓ Grammatically correct
News & Media
Formal & Business
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
59 human-written examples
But they have built a great reputation.
News & Media
"They have built barriers to entry; they have built competitive advantages through their patience".
News & Media
They have built tremendous fear inside people".
News & Media
They have built a wonderful jungle.
News & Media
They have built an engine to the regulations.
News & Media
They have built bridges and roads and places like this".
News & Media
They have built a replica of the Palace of Versailles.
News & Media
From this information, they have built a mathematical model.
News & Media
But they have built their reputations in starkly different manners.
News & Media
"Shouldn't they have built it into a dormant volcano?
News & Media
Many slum dwellers live in homes they have built themselves.
News & Media
Expert writing Tips
Best practice
Use "they have built" to clearly indicate that a collective group completed the construction or development of something, emphasizing the result of their efforts.
Common error
Avoid using "they had built" when the present perfect tense is more appropriate to connect the past action to the present result. "They have built" indicates that the building is complete and the effects are ongoing.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "they have built" functions as a verb phrase in the present perfect tense. It indicates an action completed by a group of people at an unspecified time in the past, with relevance to the present. Ludwig AI confirms its usability across various contexts.
Frequent in
News & Media
58%
Formal & Business
22%
Science
12%
Less common in
Encyclopedias
2%
Wiki
2%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "they have built" is a grammatically sound and frequently used verb phrase in the present perfect tense. Ludwig AI validates its proper usage across varied contexts. It commonly appears in news, formal business, and scientific writings, indicating the completion of a construction or development by a group. For alternative phrasing, consider options like "they constructed" or "they created", depending on the specific nuance you wish to convey. Keep in mind the connection to the present when using this phrase, as it highlights the lasting impact of their past actions.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
they constructed
Focuses on the act of physical construction or creation.
they established
Emphasizes the creation and firm positioning of something like an organization or system.
they created
Highlights the act of bringing something new into existence.
they developed
Suggests a gradual process of growth and advancement.
they assembled
Implies the joining of different parts to form a whole.
they fabricated
Suggests the making or construction of something, often with skill and artistry.
they pioneered
Focuses on being the first to develop or create something.
they engineered
Highlights the technical or scientific aspect of the creation.
they formed
Emphasizes the act of giving shape or structure to something.
they erected
Suggests the construction of a building or structure.
FAQs
How can I use "they have built" in a sentence?
Use "they have built" to describe the completion of a project or creation by a group, emphasizing the present relevance of their past actions. For example, "They have built a strong reputation over the years".
What can I say instead of "they have built"?
You can use alternatives like "they constructed", "they created", or "they established" depending on the specific context.
Is it correct to say "they have built" or "they had built"?
The choice between "they have built" and "they had built" depends on the context. "They have built" implies a connection to the present, while "they had built" refers to a past action completed before another point in the past.
What is the difference between "they have built" and "they are building"?
"They have built" indicates that the construction is finished, while "they are building" signifies that the process is currently underway.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested