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
because they are not
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "because they are not" is correct and usable in written English.
You can use it to explain a reason or justification for something not being the case or not existing. Example: "I prefer to work alone because they are not as focused as I am."
✓ Grammatically correct
News & Media
Science
Alternative expressions(2)
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
57 human-written examples
LEAR: Because they are not eight.
News & Media
Because they are not Egyptian.
News & Media
Because they are not organic.
News & Media
Not because they are not important.
News & Media
Asked why, he replied: "Because they are not ready".
News & Media
They fail because they are not international enough.
News & Media
That is most likely because they are not sure either.
News & Media
"They are quite spooky nowadays because they are not manned".
News & Media
They're frustrated because they are not being paid.
News & Media
Stop treating people as potential murderers, because they are not.
News & Media
We don't because they are not important to students.
News & Media
Expert writing Tips
Best practice
Use "because they are not" to provide a clear and direct reason for why something is not the case. This phrase works well in both formal and informal contexts.
Common error
Avoid stringing multiple clauses together using "because they are not". Break down complex sentences for better readability and clarity.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "because they are not" functions as a subordinating conjunction introducing a dependent clause. It provides a reason or explanation for the statement made in the main clause. Ludwig shows that this phrase is used to explain why something isn't happening or isn't true.
Frequent in
News & Media
64%
Science
34%
Formal & Business
2%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "because they are not" is a common and grammatically correct construction used to provide explanations or reasons. As confirmed by Ludwig, it functions as a subordinating conjunction and is versatile enough for use in neutral contexts, including news, media, and scientific writing. While there are several alternative phrases like "since they aren't" or "as they do not", the choice depends on the specific nuance and level of formality required. As shown in Ludwig, remember to maintain sentence clarity by avoiding overuse in excessively complex sentences.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
since they aren't
Uses a contraction and a different conjunction for a slightly more informal tone.
as they do not
Employs a more formal conjunction and auxiliary verb for emphasis.
given that they're not
Introduces the reason with 'given that', adding a sense of acknowledged fact.
considering they are not
Uses 'considering' to frame the reason as a matter of contemplation.
due to their absence
Rephrases the reason focusing on the lack of something rather than a negative state.
because of their nonexistence
Emphasizes the lack of existence as the reason, making it more emphatic.
for the reason that they are absent
A more verbose and formal way of stating the cause.
on account of their being absent
Uses a more archaic and formal expression to indicate the cause.
inasmuch as they are absent
Introduces a more conditional and formal tone to the explanation.
seeing as they are not
Adds a colloquial touch by using 'seeing as' to introduce the explanation.
FAQs
How can I use "because they are not" in a sentence?
You can use "because they are not" to provide a reason or explanation. For example, "I chose not to go "because they are not" offering vegetarian options."
What are some alternatives to "because they are not"?
Alternatives include phrases like "since they aren't", "as they do not", or "given that they're not". The best choice depends on the specific context and desired level of formality.
Is it grammatically correct to start a sentence with "because they are not"?
While grammatically correct, starting a sentence with "because they are not" might sound informal or abrupt. It's generally better to incorporate it within the sentence for smoother flow. For example, instead of "Because they are not available, we cancelled the order", try "We cancelled the order "because they are not" available".
What's the difference between "because they are not" and "since they are not"?
"Because they are not" provides a direct cause-and-effect relationship. "Since they are not" can also imply a time element or a more general connection. The choice depends on the intended emphasis. Using "because they are not" emphasizes the cause more strongly.
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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