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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
could have attended
Grammar usage guide and real-world examplesUSAGE SUMMARY
"could have attended" is a grammatically correct and usable phrase in written English.
It is used to indicate a possibility or ability in the past that was not acted upon. Example: I could have attended the concert last night, but I had to work late.
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
could have been transmitted
could have spent
should have transmitted
could have issued
could have stayed
could have responded
could have investigated
could have relayed
could have got sent
could have sent
could have extended
could have collaborated
would have conveyed
may have forwarded
could have engaged
could have accommodated
could have traveled
could have participated
could have communicated
could have taken
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
32 human-written examples
He could have attended the funeral".
News & Media
Mr. Park said that before going to Texas for training, the volunteers could have attended local workshops and learned about the religious dimension.
News & Media
On a Saturday last month "Bohème" lovers could have attended the New York City Opera's production in the afternoon and the Met's at night.
News & Media
She added that Mr. Kennison could have attended the meeting or participated by telephone but "you chose not to do so".
News & Media
She could have attended any of the major collegiate swimming powers, such as Stanford or Southern Cal, but she remained close to her parents and attended Columbia University.
News & Media
And while he could have attended a two-year college closer to home, in nearby Dryden, he wanted a more traditional experience.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
28 human-written examples
All I had to do was hop on a train and I could've attended a home game of the 5-52 New Jersey Nets that included a free tee-shirt pertaining to "the development of passenger railroads in the United States".
News & Media
Many of the 800 who graduated in 1931 could not have attended otherwise.
News & Media
Mr. Constantakes said Mr. Cowan was on vacation and could not have attended in any case.
News & Media
Leo, now 4, is in a regular preschool that he could not have attended before because of his learning delay.
News & Media
Michael Tubbs, a senior who was brought up by a single mother and whose father has been in prison for most of his son's life, says that he could not have attended Stanford without a full financial-aid scholarship.
News & Media
Expert writing Tips
Best practice
Use "could have attended" to express a missed opportunity or a potential action that did not occur in the past. For example: "She "could have attended" the meeting, but she was ill."
Common error
Avoid using "could of attended"; the correct form is "could have attended". The "have" is often mistakenly written as "of" due to similar pronunciation.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "could have attended" functions as a modal perfect construction, expressing a past possibility or unrealized action. Ludwig AI validates its grammatical correctness and usability in expressing hypothetical past scenarios.
Frequent in
News & Media
37%
Science
31%
Huffington Post
16%
Less common in
The New Yorker
3%
Wikipedia
3%
British Journal of Cancer
3%
Ludwig's WRAP-UP
In summary, "could have attended" is a versatile phrase used to express past possibilities or missed opportunities. According to Ludwig AI, the phrase is grammatically correct and readily usable in English writing. It's frequently found in News & Media and Science contexts. Remembering that "could have attended" signals a potential action that never happened is essential for accurate usage. When seeking alternatives, consider options like "might have attended" or "was able to attend". Overall, understanding its function ensures effective communication in both formal and informal settings.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
might have attended
Changes the degree of certainty; "might" suggests a lower probability than "could".
was able to attend
Focuses on the ability rather than the hypothetical nature of attending.
had the opportunity to attend
Highlights the availability of a chance or occasion.
could have been present at
Emphasizes the physical presence at the event.
would have been able to go to
Emphasizes capability and movement toward the event.
had the option to attend
Highlights the availability of choice regarding attendance.
was eligible to attend
Focuses on meeting the requirements for attending.
was in a position to attend
Focuses on the circumstances enabling attendance.
was invited to attend
Emphasizes the invitation aspect of the potential attendance.
would have been at
Suggests presence with a conditional clause.
FAQs
How do I use "could have attended" in a sentence?
"Could have attended" indicates a past possibility that did not happen. For instance, "I "could have attended" the party, but I was too tired."
What's a simple substitute for "could have attended"?
Alternatives include "might have attended", or "was able to attend", depending on the context and the nuance you want to convey.
What does "could have attended" imply about the event?
It implies that the opportunity to attend existed, but for some reason, the person did not go.
Is there a difference between "could have attended" and "should have attended"?
"Could have attended" suggests a possibility, while "should have attended" implies an obligation or recommendation. "Should have attended" carries a sense of regret or duty.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested