observed to be

USAGE SUMMARY

The phrase "observed to be" is correct and usable in written English.
You can use it to describe something that has been noticed or seen. For example, "The teacher observed the student to be struggling with the assignment."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Such activity on the surface of the ice sheet has been observed to be growing.

The Guardian - Opinion

Here was a voice, as the poet Jean Grosjean observed, "to be listened to with the most serious attention".

The Guardian - Books

Thus, CLIR is observed to be scalable.

EURASIP Journal on Wireless Communications and Networking

Degree of carboxylation was observed to be 36%.

International Journal of Pharmaceutics

The reaction was observed to be mass transfer limited.

Chemical Engineering Journal

The discrepancies were observed to be less than 8%.

Solar Energy

Furthermore, the compounds are observed to be irreversible inhibitors.

The Journal of Steroid Biochemistry and Molecular Biology

Dried films were observed to be hard and glassy.

Journal of Food Engineering

The TNP was observed to be the inhibitory compound.

Journal of Hazardous Materials

These effects were observed to be independent of soil type.

Chemical and Biological Technologies in Agriculture

The interface is observed to be atomically sharp.

Nanoscale Research Letters

Expert writing Tips

Best practice

Use "observed to be" when you want to convey that something has been noticed or detected through observation, often implying a degree of objectivity or impartiality. Be sure to follow it with an adjective or a descriptive phrase that clarifies what was observed.

Common error

While "observed to be" is grammatically sound, excessive use of passive voice can make your writing sound weak or indirect. Consider rewriting sentences in the active voice when possible to improve clarity and impact. For example, instead of "The results were observed to be significant", try "Researchers observed that the results were significant".

Linguistic Context

The phrase "observed to be" functions as a linking verb phrase connecting a subject to a descriptive adjective or a predicate nominative. It expresses a state or condition that has been noted through observation, as illustrated by Ludwig's examples.

Expression frequency: Very common

Frequent in

Science

74%

News & Media

20%

Formal & Business

3%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "observed to be" is a versatile linking verb phrase used to describe something noticed through observation. Ludwig AI confirms its grammatical correctness and wide applicability across various domains. It is commonly used in science and news to express objective findings. While grammatically sound, consider varying sentence structure to avoid overuse of the passive voice. Alternatives such as "noticed to be" or "found to be" can provide subtle shifts in meaning.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

noticed to be

Emphasizes the act of noticing something, highlighting the observer's awareness.

seen to be

Focuses on the visual aspect of observation, suggesting that something is visibly apparent.

found to be

Indicates a discovery or finding through investigation or analysis.

determined to be

Implies a formal or official decision or conclusion about something.

ascertained to be

Suggests a careful and thorough investigation to confirm the nature of something.

revealed to be

Highlights the uncovering of something that was previously hidden or unknown.

shown to be

Indicates that something has been demonstrated or proven through evidence.

discovered to be

Focuses on the element of surprise or unexpectedness in the observation.

considered to be

Implies a judgment or evaluation based on subjective criteria.

deemed to be

Suggests an official or authoritative assessment of something.

FAQs

How can I use "observed to be" in a sentence?

You can use "observed to be" to describe something that has been noticed or seen. For example, "The planet's atmosphere was observed to be highly turbulent."

What are some alternatives to "observed to be"?

You can use alternatives like "noticed to be", "seen to be", or "found to be" depending on the context.

Is "observed to be" formal or informal?

"Observed to be" is generally considered neutral to formal. It's suitable for academic, scientific, or professional writing where objectivity is important.

What's the difference between "observed to be" and "considered to be"?

"Observed to be" implies that something has been noticed or detected through observation, while "considered to be" suggests that something is being judged or evaluated based on subjective criteria.