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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

to be mandatory

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "to be mandatory" is correct and commonly used in written English.
It means that something is required or necessary to be done. Example: It is mandatory to wear a helmet while riding a bicycle in this city.

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Recycling ought to be mandatory.

News & Media

The New York Times

"The first ones wanted to make sure that it wasn't going to be mandatory.

News & Media

The New York Times

It's not going to be mandatory; no jobs will be lost if people make a mistake.

The BDA campaigns for training to be mandatory in teacher training courses.

News & Media

The Guardian

For any pianist, the use of the best urtext editions ought to be mandatory.

New interconnection standards for Photovoltaic systems are going to be mandatory in some countries.

One-lung ventilation is considered to be mandatory in video-assisted thoracoscopic surgery.

For any pianist, the use of the best urtext editions ought to be mandatory.

If language proficiency used to be mandatory, learning languages is now often seen as too hard.

News & Media

The Guardian

Impact assessments need to be mandatory, with non-compliant organisations facing stringent penalties.

News & Media

The Guardian

"I think," she said, "it needs to be mandatory". I think so too.

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Expert writing Tips

Best practice

When using "to be mandatory", ensure that the context clearly indicates who or what is imposing the requirement. For example, "Training is mandatory for all new employees."

Common error

Avoid using "to be mandatory" without specifying the scope or consequences. Instead of saying "Registration is to be mandatory", clarify it as "Registration is mandatory for all participants, and failure to register will result in exclusion from the event."

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

85%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "to be mandatory" functions as a predicate adjective, indicating that something is required, obligatory, or essential according to a rule, law, or standard. Ludwig shows many examples of this phrase being used in various contexts to convey the necessity of an action or requirement.

Expression frequency: Very common

Frequent in

News & Media

49%

Science

41%

Formal & Business

5%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "to be mandatory" is a common and grammatically correct way to express that something is required or obligatory. Ludwig AI confirms its wide applicability across various contexts, particularly in news, scientific, and formal business settings. When using this phrase, clarity is key: always specify what is mandatory and for whom or what. While alternatives like "to be required" or "to be compulsory" exist, "to be mandatory" remains a direct and effective choice for conveying necessity.

FAQs

How do I use "to be mandatory" in a sentence?

Use "to be mandatory" to express that something is required or obligatory. For example, "Wearing a seatbelt is mandatory while driving."

What can I say instead of "to be mandatory"?

You can use alternatives like "to be required", "to be compulsory", or "to be essential" depending on the context.

Is it correct to say "will be mandatory"?

Yes, "will be mandatory" is grammatically correct and indicates that something will be required in the future. For example, "The new safety regulations will be mandatory starting next month."

What's the difference between "to be mandatory" and "to be optional"?

"To be mandatory" means something is required and must be done, whereas "to be optional" means something is not required and is a choice.

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Source & Trust

85%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: