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
CEO of Professional Science Editing for Scientists @ prosciediting.com
could be that
Grammar usage guide and real-world examplesUSAGE SUMMARY
"could be that" is a grammatically correct phrase and is used often in written English.
It is usually used to express a possible explanation or speculation. For example: It could be that the power outage was caused by a storm.
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
it's possible that
maybe that's why
the explanation is that
it is potentially that
might be the case
may be the situation
it's conceivable that
is possibly that
is potentially that
could think that
could understand that
could tell that
could resist that
could quadruple that
could do that
could see that
could confirm that
could respect that
could say that
could sense that
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
55 human-written examples
You could be that idiot!
News & Media
Perovskites could be that innovation.
News & Media
Oh, if life could be that simple.
News & Media
But Stanton could be that good.
News & Media
He could be that good".
News & Media
It could be that bad.
News & Media
It could be that.' " It was.
News & Media
I could be that critical voice.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
3 human-written examples
Samuel could be that character's alter ego.
News & Media
Another reason could be that the mapping methods differ.
Science
Nothing could be that simple.
News & Media
Expert writing Tips
Best practice
When using "could be that", ensure the subsequent clause is a complete sentence to maintain grammatical correctness and clarity.
Common error
Avoid using "could be that" repeatedly without providing any supporting evidence or reasoning. Overuse can make your writing seem speculative and lacking in substance.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "could be that" functions as a modal expression introducing a potential explanation or possibility. As Ludwig's examples show, it's used to present a tentative reason or scenario.
Frequent in
News & Media
50%
Science
25%
Formal & Business
10%
Less common in
Academia
5%
Reference
5%
Social Media
5%
Ludwig's WRAP-UP
In summary, "could be that" is a versatile phrase used to express possibility or speculation, often introducing a tentative explanation. It's grammatically sound and frequently found across various sources, particularly in news and media. As Ludwig AI confirms, it is grammatically correct. While generally neutral in tone, writers should be mindful of overuse and ensure they provide supporting evidence to strengthen their claims. For more formal contexts, alternative phrases like "it's possible that" or "the explanation is that" may be more appropriate.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
it's possible that
This alternative directly states a possibility, removing the conditional "could".
might be the case
This alternative suggests a possibility with a slightly more formal tone.
it's a possibility that
This option indicates a slightly greater likelihood than "it's a chance that".
may be the situation
Similar to "might be the case", this phrase is a more formal way of expressing a possible scenario.
it is potentially that
This alternative is an adverbial phrase to express likelihood.
the explanation is that
This phrase is used to introduce a likely reason or cause.
it's conceivable that
This implies that something is imaginable or believable, adding a layer of possibility.
it's a chance that
This alternative suggests that something may happen.
perhaps that's the reason
This alternative offers a reason or explanation.
maybe that's why
This suggests a possible cause or motive.
FAQs
How can I use "could be that" in a sentence?
"Could be that" introduces a possible explanation or scenario. For instance, "The delay could be that the flight was overbooked".
What are some alternatives to "could be that"?
You can use alternatives like "it's possible that", "maybe that's why", or "the explanation is that" depending on the context.
Is it grammatically correct to say "could be that"?
Yes, "could be that" is grammatically correct and commonly used to express a possibility or speculation. Ludwig AI also confirms this.
What is the level of formality when using "could be that"?
"Could be that" is generally considered neutral in formality and can be used in various contexts, from news articles to casual conversations. More formal alternatives exist, such as "it is potentially that".
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.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested