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
i believe that
Grammar usage guide and real-world examplesUSAGE SUMMARY
"I believe that" is correct and usable in written English.
You can use it to introduce a statement that you deem to be true, such as, "I believe that everyone should have the right to a good education."
✓ Grammatically correct
News & Media
Academia
Alternative expressions(20)
I think that
in my opinion
In my opinion
It is my belief that
I consider that
I feel that
I am convinced that
I assume that
I am of the opinion that
I reckon that
I surmise that
I recognize that
now certify that
it has been brought to my attention
as far as I know
I realize that
hereby confirmed that
i am that
I certify
you can be sure 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
59 human-written examples
(I believe that means bananas).
News & Media
I believe that very strongly.
News & Media
"I believe that person is Governor Romney".
News & Media
I believe that independence is an illusion.
News & Media
"I believe that would be a mistake".
News & Media
I believe that is our duty.
News & Media
I believe that is right.
Academia
I believe that's true.
News & Media
"I believe that's appropriate".
News & Media
I believe that's an exact quote.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
I believed that would say a lot.
News & Media
Expert writing Tips
Best practice
When using "I believe that" in formal writing, consider whether a more assertive or evidence-based phrasing might be more persuasive. Overuse can weaken your argument.
Common error
Relying too heavily on "I believe that" can make your writing sound hesitant or lacking in confidence. Vary your sentence structure and use stronger verbs or evidence to support your claims when appropriate.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I believe that" serves as a declarative expression, introducing a statement of personal belief or opinion. It functions to soften or qualify a statement, marking it as subjective rather than objective. Ludwig confirms that this expression is correct and common in written English.
Frequent in
News & Media
60%
Academia
25%
Formal & Business
5%
Less common in
Wiki
3%
Science
4%
Reference
3%
Ludwig's WRAP-UP
In summary, "I believe that" is a versatile phrase used to introduce personal beliefs or opinions, functioning as a declarative expression that softens statements and acknowledges subjectivity. According to Ludwig, its use is grammatically correct and very common across various contexts, particularly in News & Media and Academia. While highly useful, it's essential to use this phrase judiciously to avoid weakening arguments or sounding hesitant. Varying sentence structure and providing evidence can strengthen your writing. By understanding the nuances of "I believe that", writers can effectively communicate their perspectives while maintaining clarity and credibility.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
I think that
This is a more casual and common way to express an opinion.
In my opinion
This phrase explicitly marks the statement as a personal opinion.
It is my belief that
This is a more formal and emphatic way of stating a belief.
I consider that
This suggests a more thoughtful and deliberate assessment.
I feel that
This emphasizes a personal feeling or intuition rather than a reasoned judgment.
I am convinced that
Expresses a strong and firm belief.
I assume that
This indicates a belief based on limited evidence or a presumption.
I am of the opinion that
This is a formal way to introduce a personal viewpoint.
I reckon that
This is an informal way to express an opinion or belief, common in some dialects.
I surmise that
This implies forming a belief based on incomplete information or guesswork.
FAQs
How can I use "I believe that" effectively in a sentence?
Use "I believe that" to introduce a personal opinion or viewpoint. For example, "I believe that education is essential for personal growth."
What are some alternatives to "I believe that"?
You can use alternatives like "I think that", "in my opinion", or "I consider that depending on the context and level of formality you desire.
Is it always necessary to include "that" after "I believe"?
While "that" is often included, it's grammatically correct to omit it in many cases, especially in informal writing. For example, both "I believe that the project will succeed" and "I believe the project will succeed" are acceptable.
When should I avoid using "I believe that"?
Avoid using "I believe that" when stating widely accepted facts or when presenting information that should be supported by evidence. In these cases, a more direct statement is often more effective.
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested