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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
has observed
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "has observed" is correct and usable in written English.
It can be used when referring to someone who has seen or noticed something in the past and the observation is relevant to the present context. Example: "The scientist has observed a significant change in the behavior of the species over the last decade."
✓ Grammatically correct
News & Media
Academia
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
- has observed.
News & Media
That's what Ms. Smith has observed.
News & Media
He has observed a pair of kites.
News & Media
It has observed a ceasefire in Gaza.
News & Media
"It will be slimy," he has observed.
News & Media
She has observed Hogue's progress with satisfaction.
News & Media
Yitta Mandelbaum has observed the shifts firsthand.
News & Media
As Geoff Scott has observed,... these claims are farcical.
News & Media
Le Guin has observed that "wizardry is artistry.
News & Media
Zeyada has observed insecurity among his own four children.
News & Media
Shakespeare's women, Harold Bloom has observed, are always marrying down.
News & Media
Expert writing Tips
Best practice
Use "has observed" when you want to emphasize that someone has actively watched and taken note of something, especially when the observation leads to a conclusion or insight.
Common error
While grammatically correct, "has observed" can sound overly formal in casual conversations. Consider using simpler alternatives like "noticed" or "saw" for a more natural tone.
Source & Trust
92%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "has observed" functions as a present perfect verb phrase. It indicates an action (observing) that was completed at some point in the past and has relevance to the present. Ludwig confirms its grammatical correctness and widespread usage.
Frequent in
News & Media
60%
Academia
20%
Formal & Business
10%
Less common in
Science
5%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "has observed" is a grammatically sound and frequently used verb phrase, particularly in news, academic, and formal contexts. Ludwig AI confirms that it's appropriate when indicating that someone has actively watched and noted something, often leading to a conclusion or insight. While versatile, it's advisable to consider more informal alternatives like "noticed" or "saw" in casual settings. The phrase's formality lends itself to objective reporting and analytical discussions. Remember to use "has observed" when you wish to underline the active nature of observation and its resulting understanding.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
has noted
Focuses on the act of making a written or mental record of something, implying attention to detail.
has noticed
Implies a more casual or incidental awareness, without necessarily suggesting deep analysis.
has perceived
Suggests a deeper understanding or interpretation of something, going beyond simple observation.
has witnessed
Indicates having seen something happen, often something significant or dramatic.
has detected
Emphasizes the discovery of something not immediately obvious, often through careful examination.
has recognized
Highlights the identification of something previously unknown or misunderstood.
has identified
Focuses on pinpointing a specific element or characteristic within a larger context.
has ascertained
Suggests a careful and deliberate effort to find something out for certain.
has remarked
Highlights a spoken or written comment made about something that was observed.
has monitored
Implies a continuous and systematic observation over a period of time.
FAQs
What can I say instead of "has observed"?
You can use alternatives like "has noted", "has noticed", or "has witnessed" depending on the context.
How do I use "has observed" in a sentence?
"Has observed" is typically used to indicate that someone has seen or noticed something and is often followed by what was observed. For example, "The scientist has observed a change in the animal's behavior."
What is the difference between "has observed" and "has seen"?
"Has seen" simply means that someone has visually perceived something. "Has observed", on the other hand, implies a more active and thoughtful process of watching and noting details.
Is "has observed" formal or informal?
"Has observed" leans towards the formal side. In informal contexts, alternatives such as "noticed" or "saw" might be more appropriate.
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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
92%
Authority and reliability
4.5/5
Expert rating
Real-world application tested