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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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which would have

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "which would have" is correct and commonly used in written English.
It is a subordinate clause that is used to express a hypothetical or unrealized situation. It is often used to talk about something that could have happened in the past, but did not actually happen. Example: If I had studied harder, I would have passed the exam.

✓ Grammatically correct

News & Media

Academia

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Which would have killed you".

Which would have been a shame.

Which would have been lost otherwise".

News & Media

The New Yorker

"Which would have been quite daft.

Which would have made me feel worse.

News & Media

The Guardian

Which would have been provided by Mum.

Which would have been cool but also realistic.

X-rays, which would have revealed any fracture, were negative.

News & Media

The New York Times

Which would have been great, but for two things.

News & Media

Independent

That was a violation, which would have added a stroke.

Which would have been OK if my life hadn't changed.

News & Media

The Guardian
Show more...

Expert writing Tips

Best practice

Use "which would have" to describe hypothetical past situations and their consequences. Ensure your sentence clearly establishes the unrealized condition that led to the hypothetical outcome.

Common error

Avoid using "which would of" instead of "which would have". The phrase "would of" is a common misspelling and grammatically incorrect.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

88%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "which would have" functions as a relative clause introducing a hypothetical or unrealized condition in the past. It modifies a preceding noun or clause, describing a scenario that didn't actually occur. As Ludwig AI explains, it expresses something that could have happened but didn't.

Expression frequency: Very common

Frequent in

News & Media

42%

Science

32%

Academia

26%

Less common in

Wiki

2%

Formal & Business

2%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "which would have" is a relative clause used to express a hypothetical situation in the past. As Ludwig AI confirms, it's grammatically correct and frequently used. It appears most commonly in News & Media, Science, and Academic contexts. When writing, remember to use "which would have", not "which would of". Alternatives include "that would have" or "it would have", depending on the context and desired emphasis. Its prevalent usage across authoritative sources underscores its importance in conveying unrealized possibilities and outcomes.

FAQs

How to use "which would have" in a sentence?

Use "which would have" to describe a hypothetical past scenario. For example: "The earlier train, "which would have" been faster, was cancelled."

What does "which would have" mean?

It indicates a past action or state that did not happen, but could have under different conditions. It presents a hypothetical result.

Is "which would of" correct, or should I always use "which would have"?

"Which would of" is incorrect. The correct form is always ""which would have"", using the auxiliary verb "have".

What are some alternatives to "which would have" in a formal context?

In formal writing, consider alternatives like "that would have" or "had that occurred". These provide a slightly more formal tone while retaining the same meaning.

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Source & Trust

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Authority and reliability

4.6/5

Expert rating

Real-world application tested

Most frequent sentences: