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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
this is because
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "this is because" is a valid and usable part of a sentence in written English.
You can use it to introduce a reason or explanation for something that has been previously mentioned. For example: I used to be afraid of the dark, but now I'm not. This is because I learned that darkness is just an absence of light.
✓ Grammatically correct
News & Media
Science
Academia
Wiki
Formal & Business
Alternative expressions(20)
the point being that
this arises from
the cause of this is that
the irony being that
this is a result of
it s because
based on the fact
the premise being that
because of the facts that
because although
because
for the occasion that
whereas
this is due to
by the fact that
it is true that
that's because
the argument being that
that exactly because
the thinking behind this is 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
This is because, well... everywhere is dangerous.
News & Media
This is because, for, (3.4).
This is because, well, we can.
Wiki
Part of this is because parties adapt.
News & Media
This is because nominations can take time.
News & Media
This is because they did not exist).
News & Media
This is because it can be "hyperpolarised".
News & Media
This is because of transport constraints.
News & Media
"This is because he is vulnerable.
News & Media
This is because Jeeves was his "butler".
News & Media
This is because governments wish to survive.
News & Media
Expert writing Tips
Best practice
Avoid overuse; while common, varying your sentence structure with alternatives can improve the overall readability and sophistication of your writing.
Common error
Avoid constructions like "The reason is because..." as they are redundant. Instead, choose either "The reason is..." or "This is because..." for clarity.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "this is because" functions as a causal connector, linking a statement to its explanation. Ludwig's examples illustrate its use in providing reasons for various phenomena, actions, or opinions. It serves to introduce a clause that explains why something is the case.
Frequent in
News & Media
42%
Science
25%
Academia
10%
Less common in
Wiki
10%
Formal & Business
8%
Reference
5%
Ludwig's WRAP-UP
In summary, "this is because" serves as a versatile causal connector, widely used to introduce explanations across various contexts. As Ludwig AI confirms, it is grammatically sound and its frequency across diverse sources like news, science, and academia underscores its utility in written English. While effective, writers should avoid overuse and be mindful of potential redundancies to maintain clarity. Considering semantically similar options, like "this is due to" or "the reason for this is", can add variety to your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
this is due to
Replaces "because" with "due to", offering a slightly more formal tone.
this is a result of
Indicates a consequence, emphasizing the outcome of a preceding cause.
this stems from
Suggests that something originates or develops from a particular source or cause.
the reason for this is
Emphasizes the explanation, drawing attention to the underlying cause.
this arises from
Indicates that something emerges or originates as a consequence of something else.
that is why
Provides a direct causal link, often used to summarize a preceding explanation.
this can be attributed to
Suggests that something is caused or influenced by a particular factor or source.
this is on account of
Offers a reason or explanation, highlighting the influencing factor.
the explanation for this is
Specifically points to an explanation, focusing on the underlying cause or rationale.
therefore
Indicates a logical conclusion or consequence, derived from preceding statements.
FAQs
How can I use "this is because" in a sentence?
Use "this is because" to introduce an explanation or reason for a statement you've just made. For example, "I prefer tea over coffee; this is because I find the taste more soothing."
What phrases can I use instead of "this is because"?
You can use alternatives like "this is due to", "the reason for this is", or "that is why" depending on the context.
Is it grammatically correct to start a sentence with "this is because"?
Yes, it is grammatically correct to start a sentence with "this is because" when providing an explanation that directly follows or relates to a previous statement. However, ensure the connection is clear to avoid confusion.
What's the difference between "this is because" and "due to"?
"This is because" introduces a clause that explains a previous statement, while "due to" functions as an adjective, often followed by a noun or noun phrase. For example, "The delay was due to unforeseen circumstances" vs. "The delay occurred; this is because unforeseen circumstances arose."
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested