Used and loved by millions

Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

i speculated that

Grammar usage guide and real-world examples

USAGE SUMMARY

"I speculated that" is correct and usable in written English.
You would use it when you are making an assumption based on evidence or clues that you have. For example, "I speculated that the loud noise was coming from the kitchen, so I went to investigate."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

49 human-written examples

I speculated that event could have ruptured the campaign cosmos in some fundamental way.

News & Media

The Guardian

"I speculated that I must have been a mass murderer in a previous life, I was paying for that now".

News & Media

The New Yorker

Not long ago, two of my colleagues and I speculated that messiness, like tidiness, might serve a purpose.

News & Media

The New York Times

In last week's 2014 roundup, I speculated that the $100m Bollywood wasn't far enough – right around the corner, it transpires.

He reminds me that the last time I wrote about the question I speculated that he was suffering from ennui.

News & Media

The Guardian

In the previous post, I speculated that our rate drops were related to the departure of a heavy health care user.

News & Media

The New York Times
Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

11 human-written examples

In my book "The Rest Is Noise," I speculate that Hitler alluded to "Parsifal" in his horrific 1939 speech prophesying the extermination of the Jews.

News & Media

The New Yorker

I speculate that the connection is made at least 95 per cent of the time.

News & Media

Independent

Although I cannot be sure, I speculate that two developments since then have made a repeat performance of the later 1990s unlikely in the years ahead.

News & Media

The New York Times

The outgoing editor of The Archers, Sean O'Connor, has recently taken the job of producer on EastEnders, and I speculate that he might like to take her with him.

I speculate that human beings' — not just Americans' — attitudes toward where they live, toward their pieces of ground, their houses, their previous residences and future ones, are part of their feelings about being alive.

News & Media

The New Yorker
Show more...

Expert writing Tips

Best practice

Use "I speculated that" to introduce an idea or possibility that you are considering, but acknowledge that it is not a confirmed fact. This can add nuance to your writing and show critical thinking.

Common error

Avoid presenting speculation as definitive truth. Always ensure your language reflects the tentative nature of the speculation. Use phrases such as "it is possible that", "it seems likely that", or "it might be that" in conjunction with the phrase to reinforce this tentativeness.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

89%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "I speculated that" functions as a declarative statement introducing a hypothesis, conjecture, or reasoned guess. It signals that the speaker is presenting an idea as a possibility, without definitive proof. Ludwig AI confirms this is a correct and usable phrase.

Expression frequency: Very common

Frequent in

News & Media

63%

Science

20%

Formal & Business

17%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "I speculated that" is a commonly used and grammatically sound phrase for introducing a reasoned guess or conjecture. Ludwig AI confirms this. It's frequently found in news and media, as well as scientific contexts. When employing this phrase, it's best practice to avoid presenting speculation as fact and to maintain a tone that reflects the tentative nature of the speculation. Alternatives such as "I supposed that", "I surmised that", and "I hypothesized that" can be used for related but slightly different meanings.

FAQs

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

Use "I speculated that" when you are expressing a reasoned guess or conjecture about something. For example, "I speculated that the delay was due to unforeseen circumstances."

What phrases are similar to "I speculated that"?

You can use alternatives such as "I supposed that", "I surmised that", or "I hypothesized that" depending on the context and the level of formality. See also: "I supposed that", "I surmised that", "I hypothesized that".

Is "I speculated that" suitable for formal writing?

Yes, "I speculated that" can be used in formal writing, particularly when presenting a considered opinion or interpretation. However, it's essential to ensure that the tone of your writing is appropriate and that the speculation is supported by evidence.

What's the difference between "I speculated that" and "I predicted that"?

"I speculated that" implies forming a theory or conjecture without firm evidence, whereas "I predicted that" suggests foretelling a future event based on current information or trends. Consider using "I predicted that" if you are basing your statement on observable trends.

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

Editing plus AI, all in one place.

Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.

Source & Trust

89%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: