Used and loved by millions

Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

I doubted that

Grammar usage guide and real-world examples

USAGE SUMMARY

The part of a sentence "I doubted that" is correct and usable in written English.
You can use it when you want to express uncertainty or disbelief about something. Example: After hearing the news, I doubted that it was true.

✓ Grammatically correct

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

45 human-written examples

I said I doubted that was true.

I doubted that; he seemed older, somehow.

News & Media

The New Yorker

I told him I doubted that would be a problem.

News & Media

The New York Times

If there was ever a moment when I doubted that would be the case, then we would have made some changes.

But I doubted that was causing of the outrage.

News & Media

Huffington Post

I said I doubted that very much.

News & Media

The New York Times
Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

15 human-written examples

I doubt that very much.

News & Media

The New York Times

I doubt that will change".

News & Media

The New York Times

I doubt that would happen.

News & Media

The New Yorker

"Well, I doubt that".

News & Media

The Guardian

Rust: "I doubt that".

Show more...

Expert writing Tips

Best practice

Use "I doubted that" to express a polite disagreement or skepticism without being confrontational. It's suitable for both formal and informal settings.

Common error

While expressing doubt is valid, avoid overuse in argumentative pieces. Instead, provide specific evidence or reasoning to support your skepticism for a stronger argument.

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

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "I doubted that" functions as an independent clause expressing the speaker's skepticism or disbelief regarding a previous statement or situation. According to Ludwig AI, it's considered grammatically correct and usable in written English.

Expression frequency: Very common

Frequent in

News & Media

76%

Academia

12%

Formal & Business

6%

Less common in

Science

3%

Encyclopedias

1%

Reference

1%

Ludwig's WRAP-UP

In summary, "I doubted that" is a versatile phrase used to express skepticism or disbelief, suitable for both formal and informal communication. Ludwig AI confirms its grammatical correctness and usability. While common across various sources, it appears most frequently in news and media. When writing, use it to politely express disagreement or uncertainty, but avoid overuse in argumentative writing; instead, support your skepticism with evidence. Consider alternatives such as "I questioned that" or "I wasn't convinced of that" to add nuance to your expression.

FAQs

How can I use "I doubted that" in a sentence?

Use "I doubted that" to express uncertainty or disbelief about a previous statement or situation. For example: "He said he could finish the project in a day; I doubted that."

What are some alternatives to "I doubted that"?

You can use alternatives like "I questioned that", "I was skeptical of that", or "I wasn't convinced of that" depending on the context.

Is "I doubted that" formal or informal?

"I doubted that" is suitable for both formal and informal contexts, making it a versatile phrase to express skepticism.

What's the difference between "I doubted that" and "I didn't believe that"?

"I doubted that" implies a degree of uncertainty or skepticism, while "I didn't believe that" suggests a stronger conviction of disbelief. "I doubted that" can be a more polite way to express disagreement.

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

Editing plus AI, all in one place.

Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.

Source & Trust

87%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Most frequent sentences: