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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
have not identified
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "have not identified" is correct and usable in written English.
You can use it when indicating that something has not been recognized or determined yet. Example: "We have not identified the source of the problem despite our extensive investigation."
✓ Grammatically correct
News & Media
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
Police have not identified the suspects.
News & Media
Police have not identified any suspects.
News & Media
The police have not identified any suspects.
News & Media
The police have not identified either man.
News & Media
The police have not identified a suspect.
News & Media
Officials have not identified any suspects.
News & Media
Health officials have not identified the hospital.
News & Media
They have not identified a suspect.
News & Media
The authorities have not identified any suspects.
News & Media
The authorities have not identified any suspects or a motive.
News & Media
The authorities have not identified any of the intended targets.
News & Media
Expert writing Tips
Best practice
Use "have not identified" when you want to state that something or someone has not yet been recognized or determined. This phrase is suitable for formal and informal contexts.
Common error
Avoid using "have not identified" in passive constructions where the actor should be explicitly stated. For example, instead of "The problem has not identified", write "We/They/Researchers have not identified the problem".
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "have not identified" functions as a verb phrase indicating a lack of completed action. It is used to express that a process of identification is incomplete or unsuccessful. Ludwig's examples show it in various contexts, from police investigations to scientific research.
Frequent in
News & Media
69%
Science
18%
Formal & Business
3%
Less common in
Academia
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "have not identified" is a common and grammatically correct verb phrase used to indicate that something or someone has not yet been recognized or determined. As Ludwig AI indicates, the phrase is used across diverse contexts, particularly in news and scientific reporting. While alternatives exist, "have not identified" provides a clear and neutral way to express the absence of conclusive identification. When writing, be mindful of using the active voice for clarity and avoiding overly passive constructions.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
have not determined
Replaces "identified" with a broader term, focusing on the lack of a conclusive decision or finding.
have not discovered
Focuses on the absence of finding or uncovering something previously unknown.
haven't pinpointed
Replaces "identified" with a more precise synonym, implying a specific location or cause.
remain unable to identify
Highlights the continuing inability to make an identification.
have yet to ascertain
Uses a more formal tone, highlighting that the identification process is still ongoing.
have not detected
Implies the use of instruments or methods to find out something and the failure to do so.
have failed to recognize
Emphasizes the inability to acknowledge or perceive something.
have been unable to specify
Highlights the lack of a clear specification of a particular element.
have not distinguished
Focuses on the absence of differentiation between two or more elements.
the identity remains unknown
Shifts the focus to the unknown status of the identity rather than the action of identification.
FAQs
What does "have not identified" mean?
The phrase "have not identified" means that something or someone has not yet been recognized, determined, or specified. It indicates a lack of conclusive identification.
How can I use "have not identified" in a sentence?
You can use "have not identified" to state that something is currently unknown or undetermined, for example: "Investigators "have not identified" the suspect in the case yet."
What are some alternatives to "have not identified"?
Alternatives include "have not determined", "have failed to recognize", or "have yet to ascertain", depending on the context.
Is it better to say "have not identified" or "haven't identified"?
Both "have not identified" and "haven't identified" are grammatically correct. "Haven't identified" is a contraction and is more informal, while "have not identified" is more formal. The choice depends on the context and desired tone.
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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
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested