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
it is caused by
Grammar usage guide and real-world examplesUSAGE SUMMARY
The part of a sentence "it is caused by" is correct and usable in written English.
You can use it when you want to explain why something is occurring or why something happened. Example sentence: Acid rain is caused by emissions of sulfur dioxide and nitrogen oxides.
✓ Grammatically correct
Science
News & Media
Encyclopedias
Alternative expressions(20)
is due to
results from
stems from
is a consequence of
arises from
is attributed to
is triggered by
is produced by
is generated by
is a product of
it is sparked by
it is generated by
it is constituted by
it is supported by
it is dominated by
it is raised by
it is plowed by
it is published by
it is guaranteed by
it is surrounded by
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
It is caused by Mycoplasma mycoides.
Encyclopedias
It is caused by more punitiveness.
News & Media
It is caused by political cowardice.
News & Media
It is caused by a bacterium, not a virus.
News & Media
It is caused by a bacterial infection, usually staphylococcus.
News & Media
It is caused by the Bordetella pertussis bacterium.
News & Media
It is caused by hormones and mediated by genetic predisposition.
News & Media
It is caused by a bacterium, salmonella typhi.
News & Media
It is caused by the leprosy bacillus, Mycobacterium leprae.
Encyclopedias
scientists strongly suspect it is caused by a previously unknown member of the coronavirus family.
News & Media
He says doctors have told him it is caused by stress.
News & Media
Expert writing Tips
Best practice
Use "it is caused by" to clearly and directly indicate the origin or reason behind a particular event or condition. For more formal writing, alternatives like "results from" may be suitable.
Common error
Ensure you accurately identify the cause. Avoid stating "it is caused by" without strong evidence or research to support the claim.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it is caused by" functions as a causal connector, indicating the reason or origin of a particular event, condition, or phenomenon. According to Ludwig AI, this phrase is grammatically sound and effectively conveys causation.
Frequent in
Science
40%
News & Media
35%
Encyclopedias
15%
Less common in
Formal & Business
5%
Reference
3%
Social Media
2%
Ludwig's WRAP-UP
In summary, "it is caused by" is a grammatically correct and usable phrase for expressing causation, as validated by Ludwig AI. While most common in science and news reporting, it serves a crucial role in clearly identifying the origin of events or conditions. For formal writing, consider synonyms like "results from" or "stems from" for greater precision. When using "it is caused by", always ensure the cause is accurately identified and supported by evidence. Despite its correcteness it should be remebered that, since is in passive form, its use may result in longer and verbose sentences.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is due to
A common and direct way to indicate causation.
results from
Focuses on the outcome as a consequence of something.
is a consequence of
More formal and emphasizes the outcome as a direct result.
stems from
Implies an origin or root cause.
arises from
Suggests something emerging or developing from a cause.
is attributed to
Indicates that something is believed to be the cause.
is triggered by
Highlights an event or action that initiates a process.
is produced by
Emphasizes the creation or generation of something by a cause.
is generated by
Similar to "is produced by" but often used in technical contexts.
is a product of
Suggests that something is the result of a process or combination of factors.
FAQs
How can I use "it is caused by" in a sentence?
Use "it is caused by" to explain the reason or origin of something. For example, "The flood was caused by heavy rainfall".
What are some alternatives to "it is caused by"?
You can use alternatives like "is due to", "results from", or "stems from" depending on the context.
Is it better to use active or passive voice when explaining causes?
While "it is caused by" is passive, active voice (e.g. "Heavy rainfall caused the flood") can be more direct and concise, depending on the desired emphasis.
What's the difference between "it is caused by" and "it results in"?
"It is caused by" explains the origin, while "it results in" describes the outcome. For instance, "The disease is caused by a virus" versus "The disease results in fever and fatigue".
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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested