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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
I really thought
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "I really thought" is correct and usable in written English.
You can use it to express a feeling of surprise or disbelief. For example: "I really thought John was going to win the race, but he ended up coming in third!".
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(20)
I sincerely thought
I had assumed
I was under the impression
I honestly believed
I genuinely believed
I truly believed
I firmly believed
I had imagined
I was of the opinion
I imagined
I thought
I characterized
I speculated
I had an idea
I just issued
I contended
I considered
I attributed
I really found
I honestly thought
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
60 human-written examples
"I really thought she was about 55.
News & Media
I really thought hard about this.
News & Media
I really thought that drinking here would.
News & Media
"I really thought it was funny.
News & Media
I really thought we had something.
News & Media
"I really thought long and hard.
News & Media
I really thought they had both died".
News & Media
"I really thought we were done".
News & Media
"I really thought I was wrong".
News & Media
I really thought I had not dined".
News & Media
I really thought I had screwed up.
News & Media
Expert writing Tips
Best practice
Use "I really thought" to express a contrast between a prior expectation and a current reality. It is useful for highlighting surprises or unexpected outcomes.
Common error
In formal or academic writing, consider using more precise language to convey your shift in understanding. Phrases like "Initially, I believed..." or "It was previously assumed..." can offer a more sophisticated tone.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of the phrase "I really thought" is to express a past belief or expectation. It typically introduces a clause that explains what the speaker believed to be true at a previous time, often implying a contrast with current knowledge or reality. Ludwig provides many examples of its usage in this way.
Frequent in
News & Media
75%
Academia
15%
Science
10%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "I really thought" is a versatile phrase used to express a past belief, often one that has been proven wrong or has changed. Ludwig AI confirms that it is grammatically sound and suitable for a range of contexts, though potentially less fitting in strictly formal academic writing. Its frequency across diverse sources like news outlets, academic papers, and general media positions it as a common expression for conveying surprise or altered understanding. While there are more formal alternatives, "I really thought" strikes a balance between clarity and emotional expressiveness.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
I sincerely thought
Expresses a more formal and emphatic version of the original thought.
I honestly believed
Highlights the speaker's truthfulness and conviction in their past belief.
I genuinely believed
Stresses the authenticity and sincerity of the past belief.
I truly believed
Emphasizes the depth and strength of the past belief.
I firmly believed
Indicates a strong and unwavering past belief.
I was under the impression
Suggests that the belief was based on incomplete or misleading information.
I had assumed
Implies a less certain or informed belief.
I had imagined
Suggests a belief based on imagination or speculation.
I was of the opinion
Indicates a personal judgment or viewpoint.
I had always thought
Highlights that the belief was held for a long period.
FAQs
How can I use "I really thought" in a sentence?
You can use "I really thought" to express a prior belief or expectation that turned out to be incorrect or different from the current reality. For example, "I really thought I would get the job, but they chose someone else."
What's a more formal alternative to "I really thought"?
In more formal contexts, you could use phrases like "I sincerely thought", "I had assumed", or "I was under the impression" to convey a similar meaning with a more sophisticated tone.
Is "I really thought" appropriate for academic writing?
While grammatically correct, "I really thought" might be perceived as informal in strict academic writing. Consider using more precise and less colloquial alternatives to maintain a professional tone.
What's the difference between "I thought" and "I really thought"?
Adding "really" to "I thought" emphasizes the strength of your previous belief or the degree of surprise you felt upon discovering that your belief was incorrect. It adds emotional emphasis to the statement.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested