had deduced that

USAGE SUMMARY

The phrase "had deduced that" is correct and usable in written English.
You can use it when indicating a conclusion or inference that was reached in the past, often in a narrative or analytical context. Example: "After reviewing all the evidence, she had deduced that the suspect was lying."

✓ Grammatically correct

News & Media

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

15 human-written examples

The guarantee was intended to relieve the guest's anxiety that the wake-up call would be forgotten — anxiety, the hotel's management had deduced, that could cause restless nights.

The New York Times

Chandio explains how the gang, seeing the queues outside it, had deduced that its owner was wealthy.

The Guardian

A few months earlier, he and Dr. Robert Corey had deduced that some proteins were twisted in a shape known as an alpha-helix.

The New York Times - Science

Audiences and critics are asked not to reveal the plot, but over the years I had deduced that there was some sort of things-aren't-what-they-seem surprise in Act II.

The New York Times

While working as a shipping clerk in Liverpool and Belgium, he studied the cargoes coming in and out of Antwerp and had deduced that something terrible was happening  in the Congo, from which somebody else was skimming vast profits.

Independent

They had deduced that a mixture of two cooking oils, oleic acid and erucic acid, competitively inhibited the enzymes that overproduced the very-long-chain fatty acids that destroyed the myelin.

The New York Times

Human-verified similar examples from authoritative sources

Similar Expressions

42 human-written examples

Surely not even the great detective himself could have deduced that was going to happen.

The Guardian - Lifestyle

On the basis of one source and one set of photos, they've deduced that: Rafael Cilenti is blackmailing half the powerful men in London by taking compromising pictures of them kissing his dancers and then putting the squeeze on them.

The Guardian - TV & Radio

Astronomers have deduced that astonishing conclusion from the following facts: The Milky Way's familiar pinwheel of relatively young stars sits amid an extended spherical halo of older stars and gas.

Science Magazine

(ii) The previous works have deduced that better dispersion of PEI with higher volatility in nano-porous supports would lead to the decomposition of polymers at a lower temperature.

Nanoscale Research Letters

So from that I have deduced that Rebecca Adlington is very dirty".

The Guardian

Expert writing Tips

Best practice

Use "had deduced that" when you want to emphasize that a conclusion was reached in the past based on specific information or evidence.

Common error

Avoid using "had deduced that" in excessively complex sentences. Simpler alternatives like "concluded" or "inferred" can improve clarity.

Linguistic Context

The phrase "had deduced that" functions as a reporting verb phrase, introducing a subordinate clause that expresses a conclusion reached based on reasoning or evidence. Ludwig AI confirms its use in various contexts.

Expression frequency: Uncommon

Frequent in

News & Media

40%

Science

40%

Wiki

10%

Less common in

Formal & Business

0%

Encyclopedias

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, the phrase "had deduced that" is a grammatically sound and usable expression to indicate a conclusion derived from reasoning or evidence in the past. Ludwig AI confirms it as correct. While "Common", it's primarily found in news, media, and scientific contexts, making it suitable for neutral to formal communication. If looking for alternatives, consider "had concluded that" or "had inferred that" for similar meanings. When writing, ensure the sentence structure remains clear and concise to avoid overuse of complex constructions.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

had inferred that

Replaces "deduced" with "inferred", suggesting a conclusion based on reasoning from evidence.

had concluded that

Substitutes "deduced" with "concluded", implying a judgment or decision reached after consideration.

had determined that

Replaces "deduced" with "determined", emphasizing a firm and definite decision.

had ascertained that

Uses "ascertained" instead of "deduced", suggesting a finding out for certain.

had gathered that

Replaces "deduced" with "gathered", indicating an accumulation of information leading to a conclusion.

had surmised that

Substitutes "deduced" with "surmised", implying a conjecture or guess based on incomplete evidence.

had reasoned that

Replaces "deduced" with "reasoned", emphasizing the logical process behind the conclusion.

had figured out that

Uses the more informal "figured out" in place of "deduced", indicating a solving or understanding.

had understood that

Replaces "deduced" with "understood", suggesting a comprehension of the situation.

had come to the conclusion that

Offers a more verbose alternative, emphasizing the process of reaching a conclusion.

FAQs

What is a simpler alternative to "had deduced that"?

You can use alternatives like "had concluded that", "had inferred that", or "had determined that".

How can I use "had deduced that" in a sentence?

You can use "had deduced that" to indicate a conclusion reached in the past based on available information, for example: "After reviewing all the evidence, she "had deduced that" the suspect was lying."

What's the difference between "had deduced that" and "had assumed that"?

"Had deduced that" implies a conclusion based on evidence, while "had assumed that" suggests a belief taken for granted without proof.

Is "had deduced that" formal or informal?

"Had deduced that" is generally considered neutral to formal. For informal contexts, you might prefer phrases like "figured out that".