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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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cannot understand this

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "cannot understand this" is correct and usable in written English. You can use it when expressing confusion or lack of comprehension about a specific topic or statement. Example: "After reading the instructions, I still cannot understand this." Alternative expressions include "unable to grasp this" and "don't comprehend this."

✓ Grammatically correct

News & Media

Science

Encyclopedias

Wiki

Human-verified examples from authoritative sources

Exact Expressions

25 human-written examples

Non-Black people must accept that they will never embody and cannot understand this gesture: the evidence of their collective lack of understanding is that Black people go on dying at the hands of white supremacists, that Black communities go on living in desperate poverty not far from the museum where this valuable painting hangs, that Black children are still denied childhood.

News & Media

Huffington Post

Ivan Grigoryevich cannot understand this.

News & Media

The New Yorker

I still cannot understand this.

News & Media

The Guardian

I cannot understand this mentality.

News & Media

The Guardian

Wallace says he cannot understand "this love affair with PII".

News & Media

The Guardian

"If we focus on this minor fact, we cannot understand this great pope," he said.

News & Media

The New York Times
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Human-verified similar examples from authoritative sources

Similar Expressions

34 human-written examples

I cannot understand the logic of this.

News & Media

The Guardian

Emmy Okello, a radio journalist in Lira, said: "I cannot understand the intention of this video.

News & Media

The Guardian

"Until you stand in front of it, you cannot understand the magnitude of this thing," Mr. Whitenight said during a recent tour, pausing before a case full of pheasants, which turned up at a Bonhams auction in Australia.

"I cannot understand the intention of this video," said Emmy Okello, a journalist in Lira, according to The Guardian.

News & Media

Huffington Post

You cannot understand the kind of impact this will have on the team and the community.

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Expert writing Tips

Best practice

Pair the phrase with a specific reason or evidence to provide depth to your statement, as seen in many journalistic examples.

Common error

While grammatically perfect, "cannot understand this" can sound stiff in spoken conversation. In casual dialogue, the contraction "can't" is almost always preferred to avoid sounding unnatural or overly dramatic.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

95%

Authority and reliability

4.9/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "cannot understand this" functions as a declarative statement indicating a lack of cognitive or intellectual access to a specific object or concept. Grammatically, it consists of the modal verb "cannot", the transitive verb "understand" and the demonstrative pronoun "this". According to Ludwig AI, it is a standard and correct construction used to signal an absolute negative ability.

Expression frequency: Common

Frequent in

News & Media

65%

Science

20%

Encyclopedias

10%

Less common in

Wiki

3%

Social Media

1%

Reference

1%

Ludwig's WRAP-UP

The phrase "cannot understand this" is a versatile and grammatically robust tool for expressing a lack of comprehension. Ludwig AI confirms its widespread use across high-authority sources, particularly when authors are grappling with complex social issues or scientific data. Whether used to signal a genuine intellectual hurdle or to emphasize a moral stance against something perceived as "barbaric" or "illogical", the phrase maintains a professional and clear tone. While "<a href="/s/can't+understand+this" target="_blank" rel="alternative">can't understand this" is the standard for spoken English, keeping the full form "cannot" ensures your writing remains sophisticated and authoritative in formal documents and journalism.

FAQs

How do I use "cannot understand this" in a sentence?

You can use it to describe a lack of comprehension about a specific situation, such as "I have read the report multiple times but I cannot understand this conclusion."

What can I say instead of "cannot understand this"?

Depending on the tone, you could use "<a href="/s/unable+to+grasp+this" target="_blank" rel="alternative">unable to grasp this", "<a href="/s/cannot+comprehend+this" target="_blank" rel="alternative">cannot comprehend this" or the more informal "<a href="/s/can't+make+sense+of+this" target="_blank" rel="alternative">can't make sense of this".

Is it "cannot understand this" or "can not understand this"?

In modern English, "cannot" is the standard form for the negative of "can". "Can not" is typically only used if the word "not" belongs to a different phrase, such as in "One can not only understand this but also master it."

What is the difference between "cannot understand this" and "unable to understand this"?

The phrase "<a href="/s/unable+to+understand+this" target="_blank" rel="alternative">unable to understand this" sounds slightly more formal and often implies a permanent or inherent lack of ability, whereas "cannot understand this" often refers to a specific, immediate instance of confusion.

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Real-world application tested

Most frequent sentences: