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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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completion by

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "completion by" is correct and usable in written English.
It is typically used to indicate a deadline or a specific time by which something should be finished or accomplished. Example: "Please ensure the project is submitted for completion by Friday."

✓ Grammatically correct

News & Media

Science

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

Contract calls for completion by January 1 , 1928

News & Media

The New Yorker

It is earmarked for completion by 2022.

News & Media

The Guardian

The merger is scheduled for completion by fall.

News & Media

The New York Times

The concourse is scheduled for completion by 2010.

News & Media

The New York Times

It is scheduled for completion by about 1990.

The plan now calls for its completion by July.

The roper signals completion by raising both hands.

The New Water is scheduled for completion by 2017.

News & Media

The New York Times

The security measures are scheduled for completion by the end of the year.

News & Media

The New York Times

But doesn't Kevin James get masturbated to completion by a Vietnamese masseuse several times a week?

The design is underway and is scheduled for completion by the fall of 2003".

News & Media

The New York Times
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Expert writing Tips

Best practice

When using "completion by", specify a clear and measurable endpoint. For instance, "The report is due for "completion by" 5 PM on Friday."

Common error

Avoid ambiguity by clearly defining what constitutes "completion". Instead of stating "The project needs "completion by" next week", specify measurable deliverables and a precise deadline: "The project, including all deliverables, needs "completion by" 5 PM next Friday."

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "completion by" functions as a prepositional phrase that modifies a noun or verb, indicating a deadline or a means of achieving completion. Ludwig AI confirms its proper usage in various contexts.

Expression frequency: Very common

Frequent in

News & Media

46%

Science

24%

Wiki

10%

Less common in

Encyclopedias

5%

Formal & Business

5%

Reference

0%

Ludwig's WRAP-UP

In summary, "completion by" serves as a useful prepositional phrase to denote deadlines or methods of achieving finality. As Ludwig AI explains, the phrase is grammatically sound and versatile across diverse contexts, particularly within news, scientific, and encyclopedic domains. While "completion by" is considered neutral in tone, it should be used with clearly defined endpoints to avoid ambiguity. Mastering this phrase involves understanding its communicative purpose and using it effectively across varying writing styles. Overall, "completion by" is a frequently used expression.

FAQs

How can I use "completion by" in a sentence?

The phrase "completion by" indicates a deadline. For example, "The project is scheduled for "completion by" the end of the year" indicates that the project is expected to be finished before the year ends.

What are some alternatives to saying "completion by"?

You can use alternatives such as "finalization by", "accomplishment by", or specifying a "deadline of" depending on the context.

Is it better to use "completion by" or "completed by"?

"Completion by" is typically used to denote a target date or time for finishing something, while "completed by" indicates who performed the action. Example: "The task requires "completion by" Friday" versus "The task was completed by John".

What's the difference between "completion by" and "due by"?

"Completion by" emphasizes the state of being finished at a specific time, while "due by" stresses the obligation or requirement to submit something at that time. They can often be used interchangeably, but "due by" might imply more urgency or a mandatory submission. For example: Task is schedule for "completion by" the end of the week. Work needs to be submitted, and hence is "due by" Friday.

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Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: