Used and loved by millions
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 appeared
Grammar usage guide and real-world examplesUSAGE SUMMARY
'have appeared' is correct and usable in written English.
You could use it in a sentence such as: "Several new books have appeared on the shelves this week."
✓ Grammatically correct
News & Media
Academia
Science
Encyclopedias
Wiki
Alternative expressions(20)
have been observed
have been detected
have been sold
have been removed
have been disappeared
have been approved
have been improved
have been sought
have been forwarded
have been redeployed
have been paid
have surfaced
have been identified
have vanished
have been caught
have been stopped
have been reassigned
have been accommodated
have been ceased
have been bypassed
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
Urban problems have appeared.
News & Media
More portable toilets have appeared.
News & Media
They should not have appeared".
News & Media
Other worrying signs have appeared.
News & Media
(Six have appeared in English).
News & Media
Formal academic programs have appeared.
News & Media
have appeared online...
News & Media
But chinks have appeared.
News & Media
Numerous publications have appeared in both orthographies.
Encyclopedias
Thousands more have appeared since then.
News & Media
You have appeared in my dreams.
News & Media
Expert writing Tips
Best practice
When using "have appeared", ensure the subject clearly indicates what is becoming visible or evident. For example, "New challenges have appeared" is more effective than "Challenges have appeared" without context.
Common error
Avoid using "have appeared" without specifying where or in what context something has manifested. Saying "Problems have appeared" is vague; clarify with "Problems have appeared in the project timeline."
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "have appeared" functions as a present perfect verb phrase. It describes an action that started in the past and continues to have relevance in the present. Ludwig confirms the correctness and usability of this structure.
Frequent in
News & Media
45%
Academia
25%
Science
15%
Less common in
Encyclopedias
5%
Wiki
3%
Formal & Business
2%
Ludwig's WRAP-UP
The phrase "have appeared" is a versatile and commonly used verb phrase indicating the emergence or visibility of something. Ludwig confirms its grammatical correctness and broad applicability across various contexts. From news reports to academic papers, "have appeared" effectively communicates the presence of new information, challenges, or developments. When writing, remember to provide clear context and specify where or how something has manifested to ensure clarity. Consider using alternatives like "have emerged" or "have arisen" to subtly shift the emphasis depending on the specific meaning you intend to convey.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
have emerged
Focuses on the coming into existence or prominence of something, often implying a gradual development.
have arisen
Suggests the commencement or origination of something, often in response to a particular situation or need.
have surfaced
Implies that something was previously hidden or unknown and has now become visible or evident.
have materialized
Emphasizes the realization or actualization of something that was previously conceptual or planned.
have come into being
A more formal way of expressing that something has started to exist.
have been detected
Focuses on the discovery or identification of something, often through scientific or investigative means.
have been noticed
Highlights the fact that something has gained attention or recognition.
have become visible
Stresses the transition from being unseen to being seen, either literally or figuratively.
have shown up
An informal way of saying that someone or something has arrived or become present.
have presented themselves
Indicates that opportunities or situations have arisen, often requiring a response or action.
FAQs
How do I use "have appeared" in a sentence?
Use "have appeared" to indicate that something has become visible or evident. For example, "Several new studies "have appeared" in the journal this month."
What can I say instead of "have appeared"?
You can use alternatives like "have emerged", "have arisen", or "have surfaced" depending on the specific context.
Which is correct, "have appeared" or "has appeared"?
"Have appeared" is used with plural subjects (e.g., "New problems have appeared"), while "has appeared" is used with singular subjects (e.g., "A new problem has appeared").
What is the difference between "have appeared" and "have seemed"?
"Have appeared" indicates that something has become visible or evident, while "have seemed" suggests that something gives a particular impression or appearance, even if it might not be entirely accurate.
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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
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested