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
have been unified
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "have been unified" is correct and usable in written English.
It can be used to describe a state of being brought together or combined, typically in a context involving groups, ideas, or systems that have come together over time. Example: "The two organizations have been unified to create a stronger presence in the community."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
Republicans have been unified in not supporting any rescue plan.
News & Media
Thus, main existing models have been unified to one theoretical framework.
Isn't it enough to make one question how Italy could ever have been unified into a country?
News & Media
(The others are electricity and magnetism, which have been unified as electromagnetism, the strong force, and the weak force).
Encyclopedias
Different groups have been unified in their rejection of the caustic rhetoric of some politicians in the immigration debate.
News & Media
Diverse components have been unified to form what is now the "Meyer Schapiro collection" housed at Columbia University's Rare Book & Manuscript Library.
Academia
Human-verified similar examples from authoritative sources
Similar Expressions
20 human-written examples
After all, no decision would have been unifying, and certainly abstaining was hardly a possibility.
News & Media
Instead, her rhetoric was divisive when it ought to have been unifying.
News & Media
The political fallout has been unified.
News & Media
The show reflects this idea, that the notion of time and space has been unified.
News & Media
Since July 7 the response of the British people has been unified, dignified and remarkable.
News & Media
Expert writing Tips
Best practice
Use "have been unified" to describe situations where previously separate entities, groups, or concepts have come together to form a single, cohesive unit. This often implies a deliberate effort to consolidate or integrate disparate elements.
Common error
Avoid using "have been unified" when an active voice construction is more appropriate. For instance, instead of "The manager has been unified the team", use "The manager has unified the team" or "The manager has united the team".
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "have been unified" functions as a passive verb phrase, indicating that a subject has undergone the action of being unified. According to Ludwig AI, this is grammatically sound and appropriate for describing states where separate entities have been brought together.
Frequent in
News & Media
32%
Science
40%
Encyclopedias
6%
Less common in
Wiki
4%
Academia
8%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, "have been unified" is a grammatically correct and commonly used passive verb phrase that describes a state of integration or consolidation. Ludwig AI confirms its proper usage across various contexts. It's often found in news, science, and encyclopedia articles, reflecting its suitability for both neutral and formal writing. To ensure accuracy, avoid using it in active voice constructions where a direct verb is more appropriate. Alternatives like "have been merged" or "have been combined" may offer better nuance depending on the intended meaning.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
have been combined
A general term for bringing things together.
have been merged
Focuses on combining two or more entities into one.
have been integrated
Emphasizes the combining of elements to form a coordinated whole.
have been consolidated
Highlights the strengthening of something by combining elements.
have been amalgamated
Suggests a blending or mixing together of different components.
have been joined
Implies a connection or union between two or more things.
have been linked
Focuses on establishing a connection or relationship.
have been synthesized
Highlights the creation of something new from different elements.
have been harmonized
Emphasizes agreement or consistency among different elements.
have been reconciled
Focuses on resolving differences or conflicts.
FAQs
How can I use "have been unified" in a sentence?
You can use "have been unified" to describe the combination of separate entities into a single unit. For example, "The two departments "have been unified" to improve efficiency".
What's a synonym for "have been unified"?
Synonyms for "have been unified" include "have been merged", "have been integrated", or "have been combined". The best choice depends on the specific context.
Is it correct to say 'have unified' instead of "have been unified"?
The phrase "have unified" implies an active voice, indicating that someone or something performed the act of unifying. "Have been unified" is passive, indicating that something has been acted upon. The choice depends on whether you want to emphasize the actor or the result.
What's the difference between "have been unified" and "are unified"?
"Have been unified" describes a past action with ongoing relevance, while "are unified" describes a current state. For example, "The policies "have been unified"" implies that the unification happened in the past. "The policies "are unified"" describes its current state.
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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested