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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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have been appeared

Grammar usage guide and real-world examples

USAGE SUMMARY

"have been appeared" is a grammatically correct phrase.
It is used as the perfect perfect passive voice. You can use it when you want to indicate that something has occurred in the past and is still in effect in the present. Example: Several new restaurants have been appeared in the center of town recently.

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

17 human-written examples

Particular cases of (1.1) have been appeared in mathematical models of macroeconomics, see [1, 2].

Many variants of ELM have been appeared in recent literature, specially for the stationary case study.

In the literature, many interesting and important results have been appeared to approximate the fixed points of pseudo-contractive mappings.

So many significant works on this topic have been appeared (cf., e.g., [10, 15, 18 25] and references therein).

Then, some literatures on the stability of linear fractional differential systems with order have been appeared [11 15].

Numerous reports of crude extracts and pure natural compounds have been appeared for antioxidant and radical-scavenging activities [4 7].

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Human-verified similar examples from authoritative sources

Similar Expressions

43 human-written examples

Sunbathers have been appearing.

News & Media

The New York Times

Instalments have been appearing in English annually since 2012.

But they have been appearing with increasing prominence in theories about cancer.

Just realized that my Spotify playlists have been appearing in my newsfeed.

News & Media

The New Yorker

Some ads with themes centered on veterans and the military have been appearing well before Veterans Day.

News & Media

The New York Times
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Expert writing Tips

Best practice

When using "have been appeared", consider if a more direct verb like "emerged", "arisen", or "surfaced" might be more appropriate for clarity and conciseness.

Common error

Avoid using "have been appeared" when an active voice construction would be more direct and engaging. For example, instead of "New symptoms have been appeared," try "New symptoms have emerged."

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

83%

Authority and reliability

3.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "have been appeared" functions as a perfect passive construction, indicating that something has come into existence or has become evident. Ludwig AI confirms its grammatical correctness.

Expression frequency: Common

Frequent in

Science

60%

News & Media

40%

Formal & Business

0%

Less common in

Wiki

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "have been appeared" is grammatically correct, as confirmed by Ludwig AI, and is used to describe something that has become evident or has come into existence over time. While it is commonly found in scientific and news media contexts, it's important to consider whether more direct alternatives like "have emerged" or "have arisen" might provide greater clarity. As usage guidance suggests, avoid overuse of the passive voice and opt for active constructions where possible for more engaging writing. Although acceptable, ensure it aligns with the desired tone and clarity of your writing.

FAQs

How can I use "have been appeared" in a sentence?

Use "have been appeared" to describe something that has become evident or has come into being over time. For example: "Several new studies "have been appeared" on the subject."

What are some alternatives to "have been appeared"?

You can use alternatives like "have emerged", "have arisen", or "have surfaced" depending on the context.

Which is correct, "have been appeared" or "have appeared"?

Both phrases can be grammatically correct, but "have appeared" is generally more concise and preferred. "Have been appeared" emphasizes the process of becoming evident over time.

What's the difference between "have been appeared" and "have been emerging"?

"Have been appeared" suggests a completed action of something becoming evident, while "have been emerging" indicates an ongoing process of becoming visible or known.

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Source & Trust

83%

Authority and reliability

3.8/5

Expert rating

Real-world application tested

Most frequent sentences: