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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
have been activated
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "have been activated" is correct and can be used in written English.
You can use it when you want to indicate that something has been began/set in motion or triggered. For example, "The new security protocols have been activated."
✓ Grammatically correct
News & Media
Science
Academia
Alternative expressions(20)
have been administered
have been accomplished
were directed
have been taken care of
have been offered
have been manipulated
have been instructed
have been set in motion
were designated
have been illuminated
have been implemented
were authorized
were stipulated
have been launched
have been sought
have been actioned
have been made available
have been conducted
have been enabled
has been issued
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
The 2007 eruption may have been activated by magmatic activity at depth.
Science
Crisis management plans have been activated.
News & Media
The four phones at the train station have been activated.
News & Media
Everyone feels better.We have been activated, informed, enraged.
Flood defences have been activated at Colne in Essex and in Hull.
News & Media
The stadium ban would have been activated if fan violence during qualifying matches was repeated.
News & Media
(Google says more than 400m Android devices have been activated around the world).
News & Media
Evans reckons there are 785m working Android devices which have been activated by Google.
News & Media
About 3,500 Guard members have been activated in six other states, including Alabama and Florida.
News & Media
Google reports that more than 200 million Android devices have been activated.
News & Media
Since the system launch in 2007, over 850,000 accounts have been activated.
Science & Research
Expert writing Tips
Best practice
Use "have been activated" to clearly indicate that a system, process, or feature has been set in motion or made functional. This phrasing works well in both technical and general contexts.
Common error
Avoid overusing passive voice constructions like "have been activated" if it obscures who or what initiated the action. Consider revising to active voice where appropriate for clarity: 'The manager activated the system' instead of 'The system has been activated'.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "have been activated" functions as a passive construction within a present perfect tense. It indicates that an action of activating something was completed at some point in the past and has a current relevance or result. Ludwig's examples confirm its use across various contexts.
Frequent in
News & Media
41%
Science
31%
Academia
14%
Less common in
Formal & Business
4%
Wiki
2%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "have been activated" is a grammatically correct and widely used expression, as confirmed by Ludwig AI. It signifies that an action has been completed in the past, resulting in a current state of operation or functionality. Predominantly found in news, scientific, and academic contexts, the phrase serves to inform or announce that something is now active or in effect. While versatile, it's advisable to ensure clarity by specifying the agent of activation. When choosing alternatives, consider nuances of initiation, triggering, or enabling to maintain precision. Based on the examples, authoritative sources, and frequency, the phrase remains a valuable tool for clear and effective communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
have been initiated
Focuses on the commencement or start of something, emphasizing the beginning.
have been triggered
Suggests a response to a specific event or stimulus, highlighting the cause-and-effect relationship.
have been enabled
Emphasizes the act of making something functional or operational.
have been set in motion
Implies a series of actions or events that have been started, often suggesting a process.
have been started
A general term indicating the beginning of an action or process.
have become operational
Highlights the state of being ready and functioning effectively.
have been implemented
Focuses on the practical application or execution of a plan or system.
have been launched
Often used for projects or campaigns, suggesting a public or formal introduction.
have been commenced
A more formal synonym for 'started', often used in official or legal contexts.
have been awakened
Suggests a metaphorical or literal rousing from a dormant state.
FAQs
How can I use "have been activated" in a sentence?
You can use "have been activated" to describe a system, feature, or process that has been set in motion. For example, "The alarm system "has been activated"" or "The emergency protocols "have been activated"".
What's a simpler way to say "have been activated"?
Depending on the context, you could use alternatives like "have started", "have begun", or "are now active".
Is it always necessary to specify what "have been activated" something?
While not always grammatically required, specifying what initiated the activation often provides clearer and more informative writing. Consider including the agent of action unless it's implied or unimportant.
What is the difference between "have been activated" and "are activated"?
"Have been activated" implies a completed action in the past with present relevance, while "are activated" describes a general state of being active. For example, "The sensors "have been activated"" suggests they were turned on at some point. Whereas, "The sensors "are activated" by motion" describes a continuous function.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested