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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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I question that

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "I question that" is correct and usable in written English.
You can use it when expressing doubt or skepticism about a statement or claim made by someone else. Example: "When he said that the project would be completed on time, I questioned that, given the current delays."

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

22 human-written examples

I question that".

News & Media

The New York Times

"I question that assumption".

News & Media

The New York Times

But I question that metaphor, for who is the choreographer?

Now that I am old enough to think about needing a wheelchair, I question that decision.

News & Media

The New York Times

"But I question that lack of interpersonal relationship, and [current] lack of ability to accredit".

News & Media

The Guardian

As probably the only surviving British official present at Ndola airport throughout that night, I question that claim.

Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

36 human-written examples

"For the tower to be unmanned with the terrain out there, I questioned that".

News & Media

BBC

Some of my friends and I questioned that decision.

News & Media

Vice

i really question that decision.

I would question that," he says.

I really wanted to question that. .

News & Media

Vice
Show more...

Expert writing Tips

Best practice

Use "I question that" to politely express disagreement or doubt without being overly confrontational. It allows you to introduce your own perspective or counter-argument in a measured way.

Common error

While suitable for many contexts, overuse of "I question that" in formal academic or scientific writing can seem less assertive. Consider using stronger verbs like "dispute", "challenge", or "analyze" to present a more authoritative argument.

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 "I question that" functions as a declarative statement used to express doubt, disagreement, or skepticism regarding a previously stated claim or assumption. According to Ludwig, this phrase is grammatically correct and usable in written English.

Expression frequency: Common

Frequent in

News & Media

100%

Less common in

Science

0%

Formal & Business

0%

Ludwig's WRAP-UP

In summary, the phrase "I question that" is a grammatically sound and frequently used expression to convey doubt or polite disagreement. Ludwig confirms its correctness and usability. It's commonly found in News & Media sources and suitable for a wide range of contexts, though stronger verbs might be preferable in strictly formal writing. Alternatives such as "I doubt that" or "I'm skeptical of that" can be used for similar effect. Use this phrase when you want to politely challenge a statement or assumption, opening a dialogue for further explanation.

FAQs

What does "I question that" mean?

It means you are expressing doubt or disagreement about something someone has said or implied. It's a polite way to challenge a statement.

How to use "I question that" in a sentence?

Use it to introduce your doubt or disagreement following someone else's statement. For example: "He said the project would be finished on time, but "I question that" given the current delays."

What can I say instead of "I question that"?

You can use alternatives like "I doubt that", "I'm skeptical of that", or "I dispute that" depending on the context.

Is "I question that" formal or informal?

It falls in the neutral to slightly formal register. It's suitable for most conversations and writing, but stronger alternatives might be preferable in very formal or academic contexts.

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Source & Trust

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Authority and reliability

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Most frequent sentences: