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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

when required

Grammar usage guide and real-world examples

USAGE SUMMARY

"when required" is correct and can be used in written English.
For example, "Exams should only be taken when required to demonstrate competence in a particular subject."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Each strike showed composure when required.

But he will research new tools when required.

News & Media

The Guardian

But, when required, my signature dish is a pheasant stew.

Ailey and Ellington could certainly "do big" when required.

I have the ability to burn brightly when required.

More information shall be provided when required.

Sigma Antifoam 289 was added when required.

Authors were contacted when required data were not published.

Subsequently, they will only provide on-site support when required.

The assumption of homogeneous dependence should be tested when required.

Others use them indirectly, buying them when required.

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Expert writing Tips

Best practice

Use "when required" to clearly indicate that an action or resource is only necessary under specific circumstances. This avoids unnecessary actions or resource expenditure.

Common error

Avoid using "when required" redundantly; if the context already implies conditionality, the phrase may be unnecessary and clutter your writing. Use it strategically to add clarity, not just as a filler.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

83%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "when required" functions as an adverbial phrase, modifying a verb or clause to indicate the circumstances under which an action should be performed. Ludwig AI confirms its correct usage in various contexts.

Expression frequency: Very common

Frequent in

Science

52%

News & Media

24%

Wiki

6%

Less common in

Formal & Business

3%

Reference

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, "when required" is a versatile and grammatically correct phrase used to indicate that something is only necessary under specific circumstances. As Ludwig AI points out, it is widely used across various contexts, particularly in scientific and news media. The phrase functions as an adverbial, modifying verbs or clauses. Alternatives such as "as needed" or "if necessary" can be used depending on the specific nuance. It is important to avoid overuse and ensure the context justifies its inclusion. By using "when required" appropriately, you can improve the clarity and efficiency of your writing.

FAQs

How can I use "when required" in a sentence?

You can use "when required" to indicate that something is only necessary under certain conditions. For example, "Additional staff will be hired "when required" to meet the increased demand".

What is a good alternative to "when required"?

Alternatives include "as needed", "if necessary", or "only when necessary", depending on the specific nuance you want to convey.

Is it better to say "when required" or "where required"?

"When required" refers to time or condition, while "where required" refers to location. Use "when" for conditional necessity and "where" for locational necessity.

What does "when required" mean?

"When required" means only if or at the point that something becomes necessary. It implies that action should only be taken or resources used when there is a specific need.

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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: