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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
CEO of Professional Science Editing for Scientists @ prosciediting.com
that I thought
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that I thought" is correct and usable in written English.
You can use it when referring to a belief or opinion you previously held about something. Example: "I was surprised by the outcome, as it was different from what I thought."
✓ Grammatically correct
News & Media
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
59 human-written examples
That, I thought, was love.
News & Media
That, I thought, would be that.
News & Media
I can do that, I thought.
News & Media
Good luck with that, I thought.
News & Media
That, I thought, was life under Papp.
News & Media
'I want to do that,' I thought.
News & Media
That was that, I thought.
News & Media
After that, I thought everything went well.
News & Media
After that, I thought very hard before I photographed something.
News & Media
That, I thought, is the way to do it.
News & Media
That, I thought, frankly, was in the realm of fiction".
News & Media
Expert writing Tips
Best practice
Use "that I thought" to clearly indicate a past belief or understanding that may differ from your current perspective. This adds nuance and avoids misinterpretations.
Common error
Avoid using "that I thought" when expressing a current belief. This phrase specifically refers to a past perspective and using it inappropriately can create confusion.
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that I thought" functions as a dependent clause, typically used to introduce a subjective assessment or a recollection of a past belief. Ludwig AI's analysis, along with the provided examples, shows that it often sets the stage for contrasting a previous understanding with a present reality.
Frequent in
News & Media
75%
Science
13%
Wiki
4%
Less common in
Formal & Business
3%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "that I thought" is a common phrase used to introduce a past belief or opinion. Ludwig AI confirms that it's grammatically correct and versatile, suitable for various writing styles, especially in news and media contexts. When employing this phrase, ensure you're referring to a prior perspective that may differ from your current one. Be mindful of potential misinterpretations by clearly distinguishing between past and present viewpoints. For alternatives, consider phrases like "what I believed" or "as I understood it", depending on the specific nuance you wish to convey.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
what I believed
Emphasizes a former belief or conviction.
what I had assumed
Focuses on a prior assumption or presumption.
as I understood it
Highlights a past understanding or interpretation.
in my estimation
Indicates a past personal judgment or evaluation.
from my perspective
Showcases a viewpoint or outlook at a certain point.
how I perceived it
Focuses on a prior perception or awareness.
what I once considered
Emphasizes a former consideration or contemplation.
the way I saw it then
Highlights a viewpoint or outlook limited to a specific timeframe.
my prior conviction
Emphasizes a former, strong belief or certainty.
what used to think
Expresses a past habitual way of thinking
FAQs
How can I use "that I thought" in a sentence?
Use "that I thought" to express a past belief or opinion, often one that has changed or been proven incorrect. For example, "That I thought would be the end of it, but I was wrong."
What's a more formal alternative to "that I thought"?
In more formal contexts, consider using phrases like "what I previously believed" or "as I formerly understood it" to convey a similar meaning.
Is it correct to say "what I thought that" instead of "that I thought"?
While variations exist, "that I thought" is the more common and grammatically sound construction for expressing a past belief. Using "what I thought that" can sound awkward or less natural.
What is the difference between "that I thought" and similar expressions like "that I believed"?
The phrase "that I believed" places stronger emphasis on conviction, while "that I thought" is more general and might refer to a passing idea or assumption.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested