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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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could have happened

Grammar usage guide and real-world examples

USAGE SUMMARY

"could have happened" is correct and usable in written English.
You can use it to refer to things that were possible in the past, but did not in fact happen. For example: "He was late for the meeting, but it could have happened due to traffic."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

What could have happened?

News & Media

The New Yorker

Something worse could have happened".

News & Media

Independent

Worse things could have happened.

"That could have happened here".

News & Media

The New York Times

"This could have happened anywhere".

News & Media

The New York Times

That could have happened very early on.

News & Media

The Economist

What could have happened to flight 9525?

News & Media

Independent

Was that how it could have happened?

News & Media

The New Yorker

"It could have happened to anybody".

"It absolutely could have happened here".

News & Media

The New York Times

It could have happened to anyone.

News & Media

Independent
Show more...

Expert writing Tips

Best practice

When using "could have happened", be specific about what event you are referring to. Avoid vague language that could lead to confusion.

Common error

Avoid using "could have happened" when you actually mean "could happen". The former refers to past possibilities, while the latter refers to present or future possibilities.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

89%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "could have happened" functions as a modal verb phrase indicating a past possibility or hypothetical scenario. It suggests that an event was possible but did not actually occur. Ludwig provides numerous examples demonstrating its usage in various contexts.

Expression frequency: Very common

Frequent in

News & Media

67%

Science

17%

Formal & Business

16%

Less common in

Reference

0%

Social Media

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, "could have happened" is a grammatically correct and widely used phrase to express past possibilities or hypothetical scenarios. Ludwig AI confirms its validity and provides numerous examples from diverse sources. The phrase is versatile, fitting into neutral registers and appearing frequently in news, science, and business contexts. Remember to use it to describe past potentialities and avoid confusing it with present or future possibilities. Exploring alternatives like "might have occurred" or "may have transpired" can add nuance to your writing.

FAQs

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

"Could have happened" expresses a past possibility. For example, "The accident "could have happened" to anyone if they weren't careful".

What's a more formal alternative to "could have happened"?

Alternatives like "might have occurred" or "may have transpired" offer a more formal tone than ""could have happened"".

What is the difference between "could have happened" and "could happen"?

"Could have happened" refers to something that was possible in the past but did not occur, while "could happen" refers to something that is possible in the present or future.

Is "could of happened" grammatically correct?

No, "could of happened" is incorrect. The correct form is ""could have happened"", where "have" is part of the auxiliary verb construction.

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Source & Trust

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Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: