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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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could have supposed

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "could have supposed" is correct and usable in written English.
It can be used to express a hypothetical situation in the past where one might have had a belief or assumption. Example: "Given the evidence presented, I could have supposed that the outcome would be different."

✓ Grammatically correct

News & Media

Academia

Science

Human-verified examples from authoritative sources

Exact Expressions

7 human-written examples

My guess is that nobody at the time could have supposed that arguments about the foundations of mathematics would ever have a practical outcome.

Later he would say more harshly that Charley had inherited from his mother "an indescribable lassitude of character" and that "I think he has less fixed purpose and energy than I could have supposed possible in my son".

Thus it should be no surprise that the self-styled democratic socialist Bernie Sanders is challenging Hillary Clinton for the Democratic presidential nomination more effectively than even he could have supposed 12 months ago.

No Congressman could have supposed that, in passing an amendment to that section proposed by the Postmaster General and recommended by the committees dealing with the postal service, he was creating a new crime with respect to government property generally". Id., at 957, n. 3a.

Karbo does learn a number of poignant things that children of the dying must come to accept: that cancer is a relentless sneak of a disease, that quotidian trouble doesn't quit for a crisis, that the heart doesn't break clean, that people hang onto life longer than you could have supposed and are gone from you long before they die.

I could have supposed all these things, like, 'Oh, it'll be really educational,' but we didn't know.

News & Media

Vice
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Human-verified similar examples from authoritative sources

Similar Expressions

53 human-written examples

Duncan later wrote that, "To be deserted by my own fleet in the face of the enemy is a disgrace which I believe never before happened to a British admiral, nor could I have supposed it possible".

Could they really have supposed there would be no spillage from their hyperbole?

News & Media

Vice

In conclusion, no major alterations have been found in DGC, ECM or sarcolemma integrity in AQP4−/− mice as could have been supposed to occur.

Science

Plosone

You could have, I suppose, done this movie in Canada, but it wouldn't have been the same type of story.

And it refused to allow a recount to proceed under uniform standards that could have corrected the supposed problem.

News & Media

The New York Times
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Expert writing Tips

Best practice

When using "could have supposed", ensure the context clearly indicates that the supposition was made in the past and is now known to be inaccurate.

Common error

Avoid using "could have supposed" to describe current beliefs or assumptions. This phrase strictly refers to a past supposition that is no longer valid.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

87%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "could have supposed" functions as a modal verb phrase expressing a hypothetical past belief or assumption that was likely incorrect or disproven. As Ludwig AI explains, it's used to reflect on something that one might have previously thought to be true.

Expression frequency: Uncommon

Frequent in

News & Media

58%

Academia

25%

Science

17%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "could have supposed" is a grammatically sound phrase used to express a past assumption or belief that turned out to be incorrect. As Ludwig AI confirms, the phrase is correct and usable in written English. While not exceedingly common, it appears in a variety of reputable sources, including news media and academic publications. When writing with this phrase, remember that it strictly refers to past suppositions. Consider alternatives like "might have assumed" or "might have believed" for nuanced variations in meaning. Be mindful of tense consistency to prevent misuse. Ultimately, understanding the contexts in which this phrase appears helps writers deploy it effectively to add depth and reflection to their work.

FAQs

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

You can use "could have supposed" to express a past assumption that turned out to be incorrect, for example: "I /s/could+have+supposed that the meeting would be productive, but it was a complete waste of time."

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

For a more formal tone, consider using "might have assumed" or "might have believed". These alternatives convey a similar meaning with a slightly elevated level of formality.

Is it correct to use "could have supposed" for current assumptions?

No, "could have supposed" refers to a past assumption. For current assumptions, use phrases like "I suppose" or "I assume".

What is the difference between "could have guessed" and "could have supposed"?

"Could have guessed" implies a less formal, more intuitive estimation, while "could have supposed" suggests a more considered, though ultimately incorrect, assumption.

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Most frequent sentences: