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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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are compulsory

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "are compulsory" is correct and usable in written English.
It can be used to indicate that something is required or mandatory in a specific context, such as rules, regulations, or guidelines. Example: "Attendance at the safety training sessions are compulsory for all employees."

✓ Grammatically correct

News & Media

Science

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

Seat belts are compulsory.

News & Media

The New York Times

7. Regrettably bagpipes are compulsory.

News & Media

The Guardian

Helmets are recommended, and are compulsory for races.

Jacket and tie are compulsory - strictly no lycra allowed.

There are a lot of cash incentives and subsidies for such schemes, but none are compulsory.

News & Media

The Guardian

War films are shown three times a week and are compulsory.

The lunches are compulsory, with parents being charged £75 upfront for each six-week period.

Further information A yellow fever certificate and Mali visa are compulsory.

The pour and speed tests are compulsory events in the Legends of Bartending tournament.

PSHE encompasses a number of different areas, many of which are compulsory.

News & Media

Independent

Weekly shower baths are compulsory in some of the public schools.

News & Media

The New Yorker
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Expert writing Tips

Best practice

When using "are compulsory", ensure the context clearly indicates what entities or actions are subject to the requirement. For example, specify "Attendance at all meetings are compulsory for team leaders."

Common error

Avoid ambiguity by explicitly stating the scope of what is "compulsory". Do not assume the audience understands the unstated subject. For instance, instead of "These are compulsory", specify "These safety procedures are compulsory for all personnel."

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

82%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "are compulsory" functions as a predicate adjective, describing the subject and indicating a state of requirement or obligation. Ludwig examples confirm its role in specifying mandatory actions, rules, or items.

Expression frequency: Very common

Frequent in

News & Media

42%

Science

37%

Wiki

7%

Less common in

Encyclopedias

3%

Formal & Business

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, the phrase "are compulsory" is grammatically correct and widely used to express that something is required or mandatory. As Ludwig AI confirms, its applications span news, science, and encyclopedic contexts, reflecting a neutral to slightly formal register. When using "are compulsory", prioritize clarity by explicitly stating the subjects or actions being mandated to avoid ambiguity. Alternatives include "are mandatory" or "are required", depending on the nuances of the situation.

FAQs

How can I use "are compulsory" in a sentence?

You can use "are compulsory" to indicate that certain actions, rules, or items are required and not optional. For example, "Helmets "are compulsory" during the race."

What phrases have similar meanings to "are compulsory"?

Alternatives include "are mandatory", "are required", or "are obligatory". These phrases all convey a sense of necessity and lack of choice.

Is there a difference between "are compulsory" and "are required"?

While both phrases indicate something is not optional, "are compulsory" can sometimes imply a stronger sense of enforcement or regulation than "are required". The best choice depends on the specific context and desired emphasis.

What is the best way to ensure clarity when using "are compulsory"?

To avoid confusion, explicitly state what the subject of the phrase refers to. Instead of saying "These "are compulsory"", specify "These safety regulations "are compulsory" for all employees."

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Source & Trust

82%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: