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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

once per year

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "once per year" is correct and usable in written English.
It can be used to indicate an event or action that occurs one time within a year. Example: "The company holds a major conference once per year to discuss future goals and strategies."

✓ Grammatically correct

Academia

Encyclopedias

News & Media

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Earthquakes occur there about once per year.

Very great earthquakes occur on average about once per year.

We continue to prepare a Newsletter for publication roughly once per year.

The research committee meets with the candidate at least once per year to supervise the research.

Applications are accepted once per year and current recipients need to re-apply each year.

You may obtain a free credit report from each credit bureau once per year.

Mowing or cutting once per year after initial invasion is controlled will prevent further spread.

The Executive Director will invite nominations to the Board at least once per year.

This method of terrace cultivation allows fields to be sown more than once per year.

In our apartment building, the windows are cleaned professionally once per year.

News & Media

The New York Times

The car runs once per year.

Show more...

Expert writing Tips

Best practice

When writing formally, consider using "annually" or "yearly" as concise alternatives to "once per year". However, "once per year" provides clarity and emphasis, especially in contexts where precision is needed.

Common error

Avoid using "once per year" when you mean a different frequency, such as "twice per year" (biannually) or "every other year" (biennially). Ensure you're accurately conveying the intended frequency.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

80%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "once per year" functions as an adverbial phrase, modifying a verb or clause to indicate the frequency of an action or event. Ludwig AI confirms its usability, and examples from Ludwig illustrate its role in specifying how often something occurs.

Expression frequency: Very common

Frequent in

Academia

25%

Science

24%

News & Media

22%

Less common in

Wiki

15%

Encyclopedias

10%

Formal & Business

4%

Ludwig's WRAP-UP

In summary, the phrase "once per year" is a grammatically sound and highly common adverbial phrase used to indicate that something occurs annually. Ludwig AI confirms its correctness and usability. While alternatives like "annually" or "yearly" exist, "once per year" provides clarity and emphasis. It is appropriate for a wide range of contexts, including academic, scientific, news, and general writing. Its versatility and clarity make it a reliable choice for specifying annual frequency. Examples found in Ludwig span diverse fields, further highlighting its broad applicability.

FAQs

What's a more formal way to say "once per year"?

In formal writing, you can use alternatives like "annually" or "yearly" to convey the same meaning more concisely.

Is it correct to say "one time per year" instead of "once per year"?

While "one time per year" is understandable, "once per year" is the more common and idiomatic way to express that something happens a single time within a year.

What's the difference between "once per year" and "at least once per year"?

"Once per year" means something happens exactly one time during the year. "At least once per year" implies it happens one or more times during the year.

How can I use "once per year" in a sentence?

You can use "once per year" to describe events or actions that occur annually, such as "The company holds a major conference once per year to discuss future goals and strategies."

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Source & Trust

80%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: