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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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I believed that

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "I believed that" is correct and usable in written English.
It is often used to express a past opinion or feeling that has since been proven false or changed. Example: "I believed that nothing could ever change my mind, but then I heard your opinion and I realized I was wrong."

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

46 human-written examples

I believed that would say a lot.

News & Media

The New York Times

I believed that story until I was 10 years old.

News & Media

Vice

I believed that I could help her.

News & Media

The New Yorker

I believed that, and still do.

News & Media

The New York Times

I believed that then!" He laughs.

I believed that it was what he had told her.

News & Media

The New Yorker
Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

14 human-written examples

I believe that's true.

News & Media

The Economist

"I believe that's appropriate".

News & Media

The New Yorker

(I believe that means bananas).

I believe that very strongly.

News & Media

The New Yorker

I believe that's an exact quote.

News & Media

The New Yorker
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Expert writing Tips

Best practice

Use "I believed that" to clearly indicate a past belief, especially when contrasting it with your current understanding. This helps avoid ambiguity and clarifies the evolution of your thinking.

Common error

Avoid using "I believed that" when referring to established facts or universally accepted truths. This phrase is best suited for expressing personal opinions or convictions that may have changed over time.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

91%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The primary grammatical function of "I believed that" is to introduce a subordinate clause expressing a past belief or opinion. This phrase acts as a declarative statement indicating the speaker's former conviction, as supported by Ludwig.

Expression frequency: Very common

Frequent in

News & Media

98%

Formal & Business

1%

Wiki

1%

Less common in

Science

0%

Academia

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, "I believed that" is a common and grammatically sound phrase used to express a past conviction or opinion. As Ludwig AI confirms, it is appropriate for various writing contexts, and its usage frequency is high, particularly in News & Media. While interchangeable with alternatives like "I used to think that" or "I was of the belief that", it's essential to use it accurately, reserving it for opinions rather than established facts. This phrase is effective for indicating a shift in perspective and should be used to clearly convey past viewpoints.

FAQs

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

Use "I believed that" to express a past conviction or understanding, often in contrast to a current perspective. For example, "I believed that hard work always guaranteed success, but now I realize luck also plays a role."

What are some alternatives to "I believed that"?

You can use alternatives such as "I was of the belief that", "I used to think that", or "I was under the impression that", depending on the specific nuance you wish to convey.

Is it correct to say "I believe that" instead of "I believed that"?

Yes, but they have different meanings. "I believe that" expresses a current belief, while "I believed that" refers to a belief held in the past. Choose the phrase that accurately reflects the timeframe of your belief.

What's the difference between "I thought that" and "I believed that"?

"I thought that" generally suggests a less firm or certain opinion than "I believed that". "I thought that" can also imply a more casual or spontaneous consideration, while "I believed that" suggests a more deeply held conviction at the time.

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Source & Trust

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Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: