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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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which I believed

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "which I believed" is correct and usable in written English.
It can be used to refer to a belief or assumption that the speaker held in the past, often in a context where that belief is being questioned or contrasted with a different perspective. Example: "The evidence presented was contrary to the theory which I believed to be true for many years."

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

28 human-written examples

He added that a demotion "was a sanction which I believed was fair".

News & Media

The New York Times

At least there was some place within my soul in which I believed that to be so.

News & Media

The New York Times

It was immediately obvious it would have to be cooking, at which I believed I was irredeemably awful.

"He then told me that he was an honest and church-going man and that he would not lie, which I believed to be the case".

At the station were odd, amputated-looking concrete barricades at track's end, which I believed kept the trains from falling into the streets below.

News & Media

The New York Times

"I knew I had to stay with him, hold my serve and try to wait for my chances, which I believed would come".

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Human-verified similar examples from authoritative sources

Similar Expressions

32 human-written examples

Which I believe it was.

Which I believe as well.

Which, I believe, is the point.

News & Media

The New York Times

From that, I've generated a list of professions at which I believe I'd excel.

News & Media

The New Yorker

I prefer not to use a mechanism which I believe is dubious".

News & Media

The New York Times
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Expert writing Tips

Best practice

When using "which I believed", ensure the context clearly indicates that this belief is either no longer held or is being contrasted with current information to provide clarity and avoid confusion.

Common error

Avoid using "which I believed" to introduce essential information. "Which" clauses are nonrestrictive, meaning they add extra detail but aren't crucial to the sentence's meaning. If the belief is essential, consider using "that I believed" or restructuring the sentence.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

94%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "which I believed" functions as a nonrestrictive relative clause, adding extra information about a preceding noun or clause. According to Ludwig AI, this construction is grammatically correct and commonly found in various writing contexts. Examples in Ludwig demonstrate its use to provide context about a previously held opinion or understanding.

Expression frequency: Common

Frequent in

News & Media

94%

Science

3%

Formal & Business

3%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "which I believed" is a grammatically sound and relatively common construction used to provide extra information about a past belief. As Ludwig AI confirms, it serves to add nuance and context to a statement, often implying a shift in perspective. While generally neutral in register, it's important to use "which" clauses correctly—for nonrestrictive information only—to avoid grammatical errors. Alternatives like "that I thought was true" or "that I assumed was correct" can offer subtly different shades of meaning, depending on the intended emphasis.

FAQs

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

Use "which I believed" to add extra, non-essential information about something you used to think was true. For instance, "The data contradicted the hypothesis, "which I believed" was unshakeable."

What's a more formal way to say "which I believed"?

In formal writing, you might replace "which I believed" with "that I formerly held to be true" or "that I previously understood to be the case". These options offer a more sophisticated tone but carry the same core meaning.

Is there a difference between "which I believed" and "that I believed"?

"Which I believed" introduces a nonrestrictive clause, adding extra information. "That I believed" introduces a restrictive clause, essential to the sentence's meaning. So, prefer "that" to introduce essential information.

What can I say instead of "which I believed" to sound less assertive?

Alternatives like "which I assumed", "which I presumed", or "which I thought" can be used to convey a less definitive or assertive tone, implying less conviction in the initial belief.

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Source & Trust

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Authority and reliability

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Real-world application tested

Most frequent sentences: