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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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could have marked

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "could have marked" is correct and usable in written English.
It is typically used to express a possibility or hypothetical situation in the past regarding marking something. Example: "If I had known about the event earlier, I could have marked it on my calendar."

✓ Grammatically correct

News & Media

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

18 human-written examples

The news could have marked the sad end of a long journey for Mr. Cellura.

News & Media

The New York Times

He could have marked Sub Pop's birthplace as 1980, when Bruce Pavitt founded a fanzine, Subterranean Pop, to document the nascent post-punk scene of Olympia, Washington.

Had he finished the same distance in front, Sunday's race could have marked the final coronation of an all-time great.

Aperture, founded by Minor White, Ansel Adams, Barbara Morgan, Dorothea Lange and Beaumont and Nancy Newhall and others, could have marked its golden anniversary with a party and an exhibition.

Just as significantly, the game could have marked a sorry end to the French career of their captain Frank Leboeuf, who was sent off for two yellow cards (one dissent, one late tackle).

Either the police believe the claims against Proctor (remember those names: Ted Heath, Leon Brittan, the heads of MI5 and MI6), in which case a little sleuthing could have marked their card.

News & Media

Independent
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Human-verified similar examples from authoritative sources

Similar Expressions

42 human-written examples

Clay's first visit to London could easily have marked his first defeat.

WITH more political will, more honesty and more care, the measures announced on August 17th (see article) could indeed have marked a turn away from the abyss, rather than a lurch towards it.

News & Media

The Economist

Faced with the prospect of, at best, an embarrassingly narrow victory, and, at worst, a humiliating defeat that could even have marked the end of his premiership, Cameron backed down and scheduled a second vote for early next week, after the U.N. inspectors have completed their report about the gas attack outside of Damascus.

News & Media

The New Yorker

The "Great Oxygenation Event", also referred to as "oxygen crisis", could presumably have marked one of the first mass extinction events during Earth's history.

Looming over "Spectre" is "Skyfall," which felt as if it could, and maybe should, have marked the end of Bond.

News & Media

The New Yorker
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Expert writing Tips

Best practice

Use "could have marked" to express a past possibility that something might have signified or indicated a specific point or event. Ensure the context clearly establishes the hypothetical nature of the situation.

Common error

Avoid using "could have marked" when describing events that definitely happened or were clearly established. This phrase is for hypothetical or possible past situations only. For example, instead of "The discovery could have marked the beginning of a new era" when the era definitively started, use "The discovery marked the beginning of a new era".

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "could have marked" functions as a modal phrase expressing hypothetical past possibilities. It combines the modal verb 'could' with the perfect form 'have marked' to indicate a potential action or event in the past that did not necessarily occur. Ludwig AI affirms its correct usage.

Expression frequency: Common

Frequent in

News & Media

41%

Science

38%

Wiki

6%

Less common in

Formal & Business

6%

Reference

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, "could have marked" is a versatile phrase used to express hypothetical past possibilities or potential turning points. As Ludwig AI confirms, it's grammatically sound and appears most frequently in news and media, as well as scientific contexts. To ensure clarity, avoid using it for definitive statements and consider alternatives like "might have indicated" or "may have signified" for nuanced expression. Remember, it is very important to wrap the main query in quotation marks and render in bold when including markdown formatting in content fields.

FAQs

How can I use "could have marked" in a sentence?

Use "could have marked" to describe a past event that potentially signified a turning point or a significant moment, but where the outcome was not definitively determined. For instance, "The game "could have marked" the end of his career" suggests the game had the potential to end his career, but it's not certain that it did.

What's a good alternative to "could have marked"?

Depending on the context, you can use alternatives such as "might have indicated", "may have signified", or "would have denoted" to convey a similar meaning. For example, instead of "the event "could have marked" a new beginning", you could say "the event "might have indicated" a new beginning".

Is "could have marked" grammatically correct?

Yes, "could have marked" is grammatically correct. It follows the structure of a modal verb ("could") combined with the perfect infinitive ("have marked"), which is used to express possibilities or hypothetical situations in the past.

What's the difference between "could have marked" and "marked"?

"Could have marked" indicates a possibility or potential in the past, suggesting something might have been a significant point but isn't a confirmed fact. "Marked", on the other hand, describes something that definitively occurred and acted as a sign or indication. Example: "The day "could have marked" a turning point" (possible) vs "The day marked a turning point" (definite).

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Source & Trust

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Real-world application tested

Most frequent sentences: