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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
could not believe
Grammar usage guide and real-world examplesUSAGE SUMMARY
"could not believe" is correct and usable in written English.
It is used to express disbelief or amazement at something. Example sentence: I could not believe how quickly the movie ended.
✓ Grammatically correct
News & Media
Sports
General Conversation
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
58 human-written examples
"They could not believe it".
News & Media
She could not believe it.
News & Media
I could not believe they were serious".
News & Media
Adam could not believe his luck.
News & Media
He could not believe what he saw.
News & Media
I could not believe what was happening.
News & Media
Weber could not believe his eyes.
News & Media
Even the drivers could not believe it.
News & Media
"I could not believe my eyes".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
2 human-written examples
"We could not believe our eyes.
News & Media
I could not believe what had happened.
News & Media
Expert writing Tips
Best practice
Use "could not believe" to express genuine surprise or disbelief when narrating events or reactions.
Common error
Avoid using "could not believe" excessively in your writing. Vary your expressions of disbelief with alternatives like "found it hard to believe" or "was incredulous" to maintain reader engagement.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "could not believe" primarily functions as a verb phrase expressing disbelief or astonishment. It indicates the subject's inability to accept something as true or real. This aligns with Ludwig's analysis of the phrase.
Frequent in
News & Media
38%
Sports
15%
General Conversation
10%
Less common in
Academia
7%
Wiki
5%
Science
25%
Ludwig's WRAP-UP
The phrase "could not believe" is a common and grammatically sound way to express disbelief or astonishment. As confirmed by Ludwig, it is suitable for various contexts, with a neutral register making it appropriate for both formal and informal situations. While very common, it's important to avoid overusing the phrase and consider alternatives like ""found it hard to believe"" or ""was astonished"" to add variety to your writing. The phrase is most frequently encountered in news and media sources.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
it defied belief
This alternative highlights the unbelievable nature of the situation itself.
it was beyond comprehension
This phrase emphasizes the extreme difficulty in understanding something.
found it hard to believe
This alternative uses slightly more formal language, emphasizing the difficulty in accepting something as true.
it seemed unreal
Suggests that the event or situation felt dreamlike or detached from reality.
was incredulous
This single word conveys strong disbelief and skepticism.
was astonished
This alternative focuses on the feeling of surprise and amazement.
was taken aback
This phrase suggests a sudden and unexpected shock or surprise.
was dumbfounded
This emphasizes the inability to speak due to shock or surprise.
couldn't fathom
Highlights the inability to understand or comprehend something.
refused to accept
Emphasizes a deliberate rejection of an idea or fact.
FAQs
How can I use "could not believe" in a sentence?
You can use "could not believe" to express surprise or disbelief about something. For instance, "I could not believe how quickly the movie ended" or "She could not believe he had said that".
What are some alternatives to "could not believe"?
Alternatives include "found it hard to believe", "was astonished", or "it defied belief", depending on the nuance you wish to convey.
Is "could not believe" grammatically correct?
Yes, "could not believe" is grammatically correct and commonly used in both spoken and written English to express disbelief or surprise.
What's the difference between "could not believe" and "did not believe"?
"Could not believe" often implies a stronger sense of surprise or astonishment, while "did not believe" simply indicates a lack of belief. For example, saying "I could not believe it" suggests you were shocked, whereas "I did not believe it" means you doubted its truth.
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested