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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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he was certain

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "he was certain" is correct and usable in written English.
You can use it to express someone's strong belief or conviction about something. Example: "Despite the challenges ahead, he was certain that they would succeed in their mission."

✓ Grammatically correct

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Of that he was certain.

News & Media

The New Yorker

He was certain he was being pursued.

News & Media

The New York Times

He was certain this was his son.

He was certain he'd failed.

News & Media

The New York Times

But this time, he was certain.

But he was certain he was right.

News & Media

The New Yorker

He was certain divine intervention delivered victory.

News & Media

The Guardian

He was certain that "the audience doesn't know the difference".

News & Media

The New Yorker

He was certain that the audience already existed.

News & Media

The New Yorker

He was certain of the value of his new account.

News & Media

The New Yorker

"Is this happening?" He was certain the race was over.

Show more...

Expert writing Tips

Best practice

Use the phrase "he was certain" to clearly communicate a character's or subject's strong conviction or belief in a particular situation or outcome.

Common error

Avoid relying solely on "he was certain" to convey a character's feelings. Vary your language with alternatives or show their certainty through actions and dialogue to create a more compelling narrative. Consider using phrases like "he was convinced" or "he had no doubt".

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

92%

Authority and reliability

4.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "he was certain" functions as a declarative statement expressing a subject's strong conviction or belief. It's used to convey a high degree of assurance, as demonstrated in Ludwig's examples.

Expression frequency: Very common

Frequent in

News & Media

75%

Academia

15%

Science

5%

Less common in

Formal & Business

3%

Encyclopedias

1%

Reference

1%

Ludwig's WRAP-UP

In summary, "he was certain" is a commonly used phrase to express a subject's strong conviction or belief. As confirmed by Ludwig, its grammatical structure is correct, and the phrase is widely used across various contexts, particularly in news and media, and academic writings. While direct and clear, it is advisable to sometimes vary your language with alternatives to add nuance to your writing or speaking. Remember to tailor your choice based on the specific context and desired level of formality.

FAQs

How can I use "he was certain" in a sentence?

You can use "he was certain" to express someone's strong belief about something. For example: "He reviewed the data thoroughly and he was certain that the results were accurate."

What are some alternatives to "he was certain"?

You can use alternatives like "he was sure", "he was convinced", or "he had no doubt" depending on the context.

Is it better to say "he was certain" or "he was sure"?

Both "he was certain" and "he was sure" are correct and have similar meanings. "Certain" often implies a slightly higher degree of conviction than "sure" but they are largely interchangeable.

What's the difference between "he was certain" and "he thought"?

"He was certain" indicates a strong conviction or belief, whereas "he thought" suggests a more tentative or less firmly held opinion.

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Source & Trust

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Authority and reliability

4.8/5

Expert rating

Real-world application tested

Most frequent sentences: