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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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once served as

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "once served as" is correct and usable in written English.
It can be used to indicate a previous role or position that someone held at a certain time in the past. Example: "She once served as the president of the student council during her senior year."

✓ Grammatically correct

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

He once served as the chairman, not as the president.

News & Media

The New York Times

He once served as President of the local school board.

News & Media

The New York Times

Mrs. Hampton once served as treasurer of an Ensign campaign.

News & Media

The New York Times

He once served as mayor of Orchid, Fla.

It once served as a lookout for spotting forest fires.

Austin once served as a roadblock to Ings' ambitions.

The room had perhaps once served as a normal bedroom.

News & Media

The New Yorker

Still, his own partner once served as Mr. Doe's justice minister.

News & Media

The New York Times

Colonel Williams once served as a Challenger aircraft pilot who transported V.I.P.'s.

News & Media

The New York Times

The area once served as a model for what a healthy neighborhood economy looks like.

News & Media

The New Yorker

Mosques that once served as refuge for insurgents blared messages imploring voters to defy the bombings.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

Use "once served as" to highlight a past role that is relevant to the current context or discussion, demonstrating experience or background.

Common error

Avoid using "once served as" when referring to an ongoing or current role. The phrase specifically denotes a past position.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

89%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "once served as" functions as a verb phrase indicating a past role, position, or function. It connects a subject to a previous state or occupation. Ludwig AI confirms its correct usage.

Expression frequency: Very common

Frequent in

News & Media

67%

Academia

15%

Encyclopedias

3%

Less common in

Science & Research

10%

Formal & Business

3%

Wiki

2%

Ludwig's WRAP-UP

The phrase "once served as" is a common and grammatically sound way to describe a past role or function. Ludwig AI confirms its validity. It is frequently used in news and media, as well as academic writing, to provide context or background information. When using this phrase, it's important to ensure the context clearly indicates the timeframe and relevance of the past role. Alternatives such as "formerly acted as" or "previously held the position of" can be used depending on the specific nuance you want to convey. Remember to avoid using it for current or ongoing roles.

FAQs

How can I use "once served as" in a sentence?

Use "once served as" to indicate a previous role or position that someone held. For example: "She "once served as" the president of the student council."

What are some alternatives to "once served as"?

You can use alternatives like "previously held the position of", "formerly acted as", or "used to be employed as" depending on the context.

Is it correct to say "once serves as" instead of "once served as"?

No, "once serves as" is grammatically incorrect. The correct phrase is ""once served as"", which uses the past tense of "serve" to indicate a past role.

What's the difference between "formerly" and "once served as"?

"Formerly" generally means "in the past" or "previously". While similar to ""once served as"", the latter specifically refers to a past role or position that someone held, making it more precise in certain contexts.

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Source & Trust

89%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: