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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
i completed
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "I completed" is grammatically correct and can be used in written English.
It is typically used to indicate that the speaker has finished or accomplished something. Example: After weeks of studying, I completed the final exam with a sense of relief.
✓ Grammatically correct
News & Media
Science
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
I completed the Fafsa successfully.
News & Media
I completed this task expertly.
News & Media
And I completed that task.
News & Media
I completed my service after business school.
News & Media
What advanced genealogical education have I completed?
News & Media
I completed my school certificate in Blantyre".
News & Media
I completed my PhD in 3 years.
News & Media
Today I completed the sentence with : "…hat".
News & Media
If I completed, I'd be establishing a new world record.
News & Media
I completed the yomp last year, no problem".
News & Media
He died at the very moment I completed the piece.
News & Media
Expert writing Tips
Best practice
Vary your vocabulary by using synonyms like "finished", "concluded", or "accomplished" to add nuance and interest to your writing.
Common error
Don't use passive constructions like "the task was completed by me" when you can use the more direct and concise "i completed the task". Active voice makes your writing stronger and clearer.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "i completed" primarily functions as a declarative statement where the speaker indicates the successful termination of an action or task. As Ludwig AI explains, it's a grammatically correct way to express the finishing of something. The examples in Ludwig demonstrate a wide range of actions that can be completed, from finishing a degree to completing a project.
Frequent in
News & Media
42%
Science
37%
Formal & Business
9%
Less common in
Academia
4%
Encyclopedias
3%
Wiki
2%
Ludwig's WRAP-UP
In summary, "i completed" is a grammatically sound and frequently used phrase to express the act of finishing something. As confirmed by Ludwig AI, it is appropriate for various contexts, with a neutral register making it suitable for both formal and informal communication. It's commonly found in news articles and scientific publications. The phrase serves primarily to inform and assert the completion of a task, and while perfectly acceptable, varying your vocabulary with synonyms like "i finished" or "i accomplished" can enhance your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
I finished
Simple substitution of "completed" with the synonym "finished".
I concluded
Replaces "completed" with "concluded", suggesting a more formal tone and often used when ending a process or task.
I accomplished
Uses "accomplished" instead of "completed", emphasizing a sense of achievement or success in finishing something.
I finalized
Replaces "completed" with "finalized", indicating that something has been brought to its ultimate form or state.
I fulfilled
Uses "fulfilled" instead of "completed", often used when referring to meeting a requirement or obligation.
I achieved
Replaces "completed" with "achieved", implying a successful outcome through effort and skill.
I executed
Uses "executed" instead of "completed", which suggests carrying out a plan or task effectively.
I carried out
Replaces "completed" with "carried out", focusing on the performance and execution of a task.
I wrapped up
Uses "wrapped up" instead of "completed", suggesting an informal way to say something is finished.
I was done with
This alternative indicates that the speaker has finished or concluded a task.
FAQs
How do I use "i completed" in a sentence?
Use "i completed" to indicate that you have finished something. For example, "i completed the project", "i completed the course", or "i completed the report".
What are some alternatives to "i completed"?
You can use alternatives like "i finished", "i concluded", or "i accomplished" depending on the context.
Is it correct to say "i have completed" instead of "i completed"?
Both are grammatically correct, but "i have completed" implies a more recent or relevant completion, while "i completed" is a simple statement of fact about something finished in the past.
What's the difference between "i completed" and "i was completed"?
"I completed" is active voice and indicates that you performed the action of completing. "I was completed" is passive voice and is grammatically incorrect in most contexts because it would imply someone or something completed you.
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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