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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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once then

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "once then" is not correct and does not convey a clear meaning in written English.
It is unclear when it could be used, as it lacks context and proper grammatical structure. Example: "Once then, I realized my mistake."

⚠ May contain grammatical issues

News & Media

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

Once, then twice.

News & Media

The New Yorker

She fell once, then again.

News & Media

The New York Times

Price ignored him once, then twice.

They grappled once, then a second time.

News & Media

The New York Times

He used it once, then moved on.

But just once, then enough.

He fired me once, then rehired me.

News & Media

The New York Times

People would come once, then never again.

News & Media

The New York Times

He would fire just once, then stay silent for hours.

News & Media

The New York Times

The car rolled once, then landed on its roof.

Stir once, then move veal to one side of pan.

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Expert writing Tips

Best practice

Consider the context when selecting a replacement for "once then". "Afterward" is more concise for general use, while "subsequently" is better suited for formal writing.

Common error

Avoid using "once then" in academic or professional contexts, as it may be perceived as informal or grammatically weak. Opt for more precise alternatives like "afterward" or "following that".

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

86%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "once then" functions as an adverbial phrase indicating a sequence of events. However, it's often considered grammatically incorrect. Ludwig AI describes it as not conveying a clear meaning in written English. While common, alternatives offer greater precision.

Expression frequency: Very common

Frequent in

News & Media

70%

Wiki

15%

Science

15%

Less common in

Formal & Business

0%

Academia

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, while the phrase "once then" is frequently encountered across various contexts, particularly in news and media, its grammatical correctness is questionable. Ludwig AI notes that it doesn't always convey clear meaning. As a result, opting for more precise and formal alternatives such as "after that", "subsequently", or "afterward" is advisable, especially in professional and academic writing. The high frequency of "once then" indicates its common usage, but doesn't necessarily validate its grammatical soundness.

FAQs

How can I use "once then" correctly in a sentence?

While commonly used, "once then" is often considered grammatically incorrect. To ensure clarity and correctness, replace it with phrases like "after that" or "subsequently".

What can I say instead of "once then"?

Alternatives to "once then" include "afterward", "following that", or "thereafter", depending on the context and desired level of formality.

Is "once then" grammatically correct?

According to Ludwig AI, "once then" is generally considered grammatically incorrect. Using alternatives will enhance the clarity and correctness of your writing.

What's the difference between "once then" and "after that"?

"Once then" is a less formal and often grammatically questionable way to express sequence, while "after that" is a more straightforward and grammatically sound alternative. The latter ensures clarity and precision in your writing.

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Source & Trust

86%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Most frequent sentences: