had demonstrated that

USAGE SUMMARY

The phrase "had demonstrated that" is correct and usable in written English.
You can use it when referring to a past action that provided evidence or proof of something. Example: "The research had demonstrated that regular exercise significantly improves mental health."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

He added that it seemed "quite likely" that officials had demonstrated that kind of negligence. .

Vice

Skorobogatov had demonstrated that he was wrong.

The Guardian - Tech

Garrett had demonstrated that the secret, impenetrable world was not so secret or impenetrable after all.

The Guardian

Tajfel had demonstrated that group bias will occur under the most minimal of conditions – mere categorisation.

The Guardian

He had demonstrated that the very act of remembering something makes it vulnerable to change.

The New Yorker

By 1992, he had demonstrated that he could genetically engineer mouse T-cells.

The New York Times - Health

Even before the financial crisis, surveys had demonstrated that DTE employees were not very engaged.

Harvard Business Review

We had demonstrated that potato carboxypeptidase inhibitor (PCI) acts as an EGF antagonist.

Journal of Chromatography B

One of the experts admitted that no study had demonstrated that PCBs lead to cancer in any other species.

Harvard University

The investigators said they had demonstrated that a ground-based air defence system downed the Boeing 777.

The Guardian

I felt we had demonstrated that excellence and community could go together, and that the ensemble approach made sense.

The Guardian

Expert writing Tips

Best practice

Use "had demonstrated that" when you want to emphasize that something has been proven or made evident through a specific action or set of facts in the past.

Common error

Avoid using "had demonstrated that" for simple statements or claims that don't require significant evidence. Simpler verbs like "showed" or "indicated" might be more appropriate.

Linguistic Context

The phrase "had demonstrated that" functions as a verb phrase introducing a subordinate clause. It indicates that something has been proven or evidenced in the past. Ludwig examples show its use in scientific studies, news reports, and other contexts where evidence is presented to support a claim.

Expression frequency: Very common

Frequent in

Science

40%

News & Media

35%

Academia

20%

Less common in

Encyclopedias

3%

Formal & Business

2%

Reference

0%

Ludwig's WRAP-UP

The phrase "had demonstrated that" is a versatile and grammatically correct way to introduce a fact or conclusion supported by evidence. As Ludwig AI confirms, it's widely used in formal writing, particularly in science, news, and academia. While "had demonstrated that" is considered formal, remember to choose it when you aim to emphasize proven evidence. Consider alternatives such as "had shown that" or "had proven that" for similar meanings, but use simpler terms for straightforward claims. The high frequency of this phrase across authoritative sources underscores its reliability and usefulness in conveying well-supported information.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

had proven that

Replaces "demonstrated" with "proven", implying a stronger sense of conclusive evidence.

had shown that

Substitutes "demonstrated" with "shown", indicating a presentation of evidence or information.

had established that

Uses "established" instead of "demonstrated", suggesting a firm confirmation of something.

had confirmed that

Replaces "demonstrated" with "confirmed", implying a verification of something previously suspected.

had verified that

Uses "verified" instead of "demonstrated", indicating that something has been checked and found to be accurate.

had illustrated that

Substitutes "demonstrated" with "illustrated", suggesting that something has been made clear through examples or evidence.

had evidenced that

Replaces "demonstrated" with "evidenced", focusing on the provision of evidence.

had indicated that

Uses "indicated" instead of "demonstrated", suggesting a less direct or conclusive form of evidence.

had revealed that

Substitutes "demonstrated"" with "revealed", highlighting the disclosure of something previously unknown.

had determined that

Uses "determined" instead of "demonstrated", implying a conclusion reached after investigation.

FAQs

What can I say instead of "had demonstrated that"?

You can use alternatives like "had shown that", "had proven that", or "had established that" depending on the context.

How do I use "had demonstrated that" in a sentence?

Use "had demonstrated that" to introduce a fact or conclusion that has been supported by prior evidence or actions. For example, "The study had demonstrated that the new drug was effective."

Is "had demonstrated that" formal or informal?

"Had demonstrated that" is generally considered formal and suitable for academic, scientific, and professional writing. Simpler alternatives might be more appropriate for informal contexts.

What is the difference between "had demonstrated that" and "had shown that"?

While both phrases are similar, "had demonstrated that" implies a more conclusive and definitive proof, whereas "had shown that" suggests a presentation of evidence without necessarily implying complete certainty.