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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
believe that
Grammar usage guide and real-world examplesUSAGE SUMMARY
"believe that" is correct and usable in written English.
It can be used at the beginning of a sentence to make a statement about one's beliefs. For example: "I believe that everyone deserves kindness and respect."
✓ Grammatically correct
News & Media
Wiki
Alternative expressions(20)
think that
am convinced that
am of the opinion that
it is my belief that
I have faith that
it is my understanding that
I'm under the impression that
interpret that
imagine that
believed that
confident that
belief that
believing that
envisage that
thinks that
believes that
optimism and believe that
hope and believe that
sense optimism that
there is optimism 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
60 human-written examples
Believe that?" he said.
News & Media
"Can you believe that?
News & Media
Do you believe that?
News & Media
(I believe that means bananas).
News & Media
Can you believe that Anna?
News & Media
But don't believe that!
Wiki
Believe that wikiHow has everything.
Wiki
Believe that.
News & Media
I do believe that.
News & Media
But few believe that.
News & Media
I cannot believe that.
News & Media
Expert writing Tips
Best practice
Use "believe that" to express a personal conviction or viewpoint, but avoid overusing it in formal writing where more nuanced alternatives might be appropriate.
Common error
Avoid starting multiple sentences in a paragraph with "I believe that". Vary your sentence structure by using synonyms like "I am convinced that" or "It is my understanding that" to create more compelling and sophisticated writing.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "believe that" functions as a declarative clause introducer. It introduces a statement expressing a personal conviction or opinion. As Ludwig AI confirms, it's correct and usable in written English.
Frequent in
News & Media
48%
Wiki
14%
Formal & Business
10%
Less common in
Science
10%
Reference
8%
Encyclopedias
5%
Ludwig's WRAP-UP
The phrase "believe that" is a grammatically sound and very common expression used to introduce a statement of personal conviction or opinion. As confirmed by Ludwig AI, it is appropriate for various writing styles. Analysis of real-world examples reveals that it appears most frequently in News & Media sources, but also in Wiki and Formal & Business contexts. For more formal writing, consider using synonyms like "I am convinced that" or "It is my understanding that" to enhance nuance and sophistication. However, overusing "believe that" should be avoided to prevent redundancy and improve sentence variety.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
am convinced that
Indicates a strong sense of certainty.
think that
Replaces "believe" with "think", suggesting a less firm conviction.
it is my belief that
Formalizes the expression of belief.
hold the belief that
Adds emphasis by explicitly stating the holding of a belief.
I have faith that
Conveys a sense of trust or confidence in something.
am of the opinion that
Introduces a more formal and personal expression of opinion.
deem it true that
Offers a formal declaration of truth or validity.
it is my understanding that
Highlights the understanding or interpretation of something.
I'm under the impression that
Suggests a perception that may not be fully confirmed.
consider it likely that
Expresses a degree of probability or expectation.
FAQs
How can I use "believe that" in a sentence?
You can use "believe that" to express a personal conviction or opinion. For instance, "I believe that hard work leads to success."
What are some alternatives to "believe that"?
You can use alternatives like "think that", "am convinced that", or "am of the opinion that" depending on the context.
Is it correct to start a sentence with "believe that"?
Yes, it is grammatically correct to start a sentence with "believe that". For example, "Believe that you can achieve your goals, and you're halfway there."
What's the difference between "believe that" and "think that"?
"Believe that" typically suggests a stronger conviction than "think that". "Believe" implies a firm acceptance or trust, while "think" can indicate a more tentative opinion.
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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