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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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whichever occurs first

Grammar usage guide and real-world examples

USAGE SUMMARY

"whichever occurs first" is correct and usable in written English.
You can use this phrase when you want to indicate that one of two or more possible events will happen, but that it is not known which event will happen first. For example: "The project will be complete by April 1st or by the time 1000 hours of work have been logged, whichever occurs first."

✓ Grammatically correct

Academia

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

(iii) The duration (for example, "30 days or 1,000 miles, whichever occurs first").

Intermediate useful life is a period of use of 5 years or 50,000 miles, whichever occurs first.

Early registration will end when 40 tickets have been sold or on March 31, whichever occurs first.

Early registration will end when 50 tickets have been sold or on November 4, whichever occurs first.

Full useful life is a period of use of 11 years or 120,000 miles, whichever occurs first.

For all other heavy-duty diesel engines the aforementioned period shall be 5 years/100,000 miles, whichever occurs first.

The order by the F.A.A. today requires a detailed inspection of the DC‐10's engine mountings every 100 hours or every 10 days, whichever occurs first.

News & Media

The New York Times

The license expires when the total value or quantity authorized has been shipped or when the date of expiration has been reached, whichever occurs first.

Full useful life is a period of use of 10 years or 100,000 miles, whichever occurs first, except as otherwise noted in § 86.094-9.

Materials will be due using the same schedule as the sponsor, or on the expiration date of the Proxy SUL Card (whichever occurs first).

Students enrolled in distance courses also continue to have access to video lectures until the extension-of-time deadline or their grade is changed, whichever occurs first.

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Expert writing Tips

Best practice

When using "whichever occurs first", ensure that the two conditions or events being compared are clearly defined and easily understood by the reader. This prevents ambiguity and ensures clarity in your writing.

Common error

Avoid using "whichever occurs first" without explicitly stating the conditions being compared. For instance, instead of saying "The deadline is whichever occurs first", specify: "The deadline is April 1st or when the project is completed, whichever occurs first".

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

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "whichever occurs first" functions as a conjunctive adverbial phrase, connecting two clauses and indicating that only one of the conditions will be met, specifically the one that happens sooner. Ludwig AI confirms that the phrase is correct and usable.

Expression frequency: Very common

Frequent in

Academia

46%

Science

31%

News & Media

15%

Less common in

Formal & Business

7%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "whichever occurs first" is a grammatically sound and frequently used expression, as verified by Ludwig AI, to indicate that the earlier of two potential events or conditions should take precedence. Its most common use cases are in academic, scientific, and news contexts, where precision and clarity are essential. It's crucial to explicitly state the conditions being compared when using the phrase to avoid any ambiguity. Alternatives such as "whichever is sooner" or "whichever comes earlier" exist, but they might lack the formality needed in specific settings. This phrase serves to set clear boundaries and ensure mutual understanding in various situations.

FAQs

How can I use "whichever occurs first" in a sentence?

Use "whichever occurs first" to indicate that only one of two possibilities will happen, and you're specifying that the first to happen is the one that matters. For example, "The warranty lasts for two years or 24,000 miles, "whichever occurs first"".

What's a more concise way to say "whichever occurs first"?

Alternatives like "whichever is sooner" or "whichever comes earlier" can sometimes provide a more concise alternative while retaining the same meaning.

Is it always necessary to use "whichever occurs first"?

No, sometimes the context makes it clear without explicitly stating "whichever occurs first". However, including it can enhance clarity, especially in contracts or formal documents where precision is essential.

What is the difference between "whichever occurs first" and "whichever is applicable"?

"Whichever occurs first" refers to a temporal sequence, indicating the earlier of two events. "Whichever is applicable" refers to relevance or suitability, indicating the appropriate option based on the situation.

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Source & Trust

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Authority and reliability

4.6/5

Expert rating

Real-world application tested

Most frequent sentences: