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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
because they completed
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "because they completed" is correct and usable in written English.
You can use it to explain a reason or justification related to the completion of a task or action by a subject. Example: "The project was successful because they completed all the necessary steps on time."
✓ Grammatically correct
Science
News & Media
Alternative expressions(20)
because because they
they had completed it
they are completed
they have completed
as they are completed
because they were
because they are
they had completed
because they could
because they may be
they were completed
they are because
because they have to
because they can be
have they completed
they have been completed
because they should have
because they should be
because originally they
they all completed
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
13 human-written examples
The first study by Hershman et al. (2009) enrolled 175 patients undergoing open reduction and volar plate fixation of which 112 were included in this review because they completed the 12 months follow-up [19].
Fifty five participants were excluded because they completed less than 50%% of the survey.
Science
Data from two additional participants were discarded because they completed less than 50% artifact-free trials.
Furthermore, 215 participants were excluded because they completed less than two-thirds of the questionnaire.
Fifty five participants were excluded from the analysis because they completed less than 50%% of the survey.
Science
Four percent of the sample were excluded from the analysis because they completed less than 80% of items on one or more of the measures.
Human-verified similar examples from authoritative sources
Similar Expressions
47 human-written examples
They still are, and I think they were great role models for me because they complete each other.
News & Media
Time management tricks Someone once told me that women are good at multitasking but men get things done more efficiently because they complete each task before moving on.
News & Media
Because they complete the journey, ordinary people become extraordinary.
News & Media
You love them because of who they are, not because they complete some fictional image of a yin and yang that really looks more like a yin holding up a yang while it kisses its own biceps.
News & Media
African trypanosomes, also known as Salivaria (acquiring this name because they complete the life cycle in the mouthparts or in salivary glands of the insect vector), are the causative agents of disease in humans, domestic and wild mammals.
Science
Expert writing Tips
Best practice
When using "because they completed", ensure the subject 'they' clearly refers to a specific group or entity mentioned earlier in the sentence to avoid ambiguity. For example, 'The study was conclusive because they completed all phases of research'.
Common error
Avoid using "because they completed" when the subject 'they' does not logically align with the action of completing. For instance, don't say 'The results were surprising because they completed,' unless 'they' directly participated in generating those results.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "because they completed" functions as a causal conjunction, introducing a subordinate clause that provides the reason or cause for the main clause's statement. Ludwig's examples illustrate its role in explaining why certain actions or outcomes occurred.
Frequent in
Science
53%
News & Media
38%
Wiki
8%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "because they completed" is a commonly used phrase to introduce a cause-and-effect relationship, explaining an outcome based on a group's completion of a task. As Ludwig AI confirms, this construction is grammatically sound and appears frequently in diverse contexts, particularly within science and news reporting. To ensure clarity, writers should confirm the subject 'they' aligns logically with the action of completion, while also being mindful of sentence flow. Alternatives include phrases like "since they finished" or "due to their completion" depending on the specific context and desired nuance.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
since they finished
Uses 'since' to indicate a causal relationship based on a completed action.
as they have completed
Replaces the causal "because" with "as" and adds the present perfect tense.
due to their completion
Replaces "because" with "due to" and uses a noun phrase emphasizing the act of completing.
as a result of their finishing
Emphasizes the consequence of finishing something, using 'as a result of'.
considering their finished tasks
Highlights completed tasks as a factor influencing the result.
given their accomplishment
Highlights the achievement of completion as the reason.
owing to their fulfillment
A more formal alternative to 'because', emphasizing obligation and completion.
by virtue of their completed work
Highlights that something is a result of work they completed.
on account of their concluded efforts
Uses a formal tone to present their efforts as cause of something.
in light of their finalization
Highlights that something is a result of finalization.
FAQs
How can I use "because they completed" in a sentence?
Use "because they completed" to indicate that a specific outcome or result occurred due to the completion of an action or task by a group. For example: "The project succeeded "because they completed all the tasks" on time."
What are some alternatives to "because they completed"?
Alternatives include "since they finished", "due to their completion", or "as a result of their finishing". The best choice depends on the specific context and desired level of formality.
Is it grammatically correct to start a sentence with "Because they completed"?
While grammatically correct, starting a sentence with "Because they completed" can sometimes sound awkward. It's often better to restructure the sentence to place the causal clause after the main clause for better flow. For example, instead of "Because they completed the training, they were certified", try "They were certified "because they completed the training"."
What's the difference between "because they completed" and "since they completed"?
"Because they completed" emphasizes the direct causal relationship between the completion and the result. "Since they completed" can imply a more temporal relationship, suggesting that the result followed the completion. For instance: "The system is live "because they completed testing" (direct cause)" versus "Since they completed testing, the system has been stable (time sequence with a possible causal link)".
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested