must be composed

USAGE SUMMARY

The phrase "must be composed" is correct and usable in written English.
It can be used when indicating that something is required to be made up of certain elements or components. Example: "The final report must be composed of at least three sections: introduction, analysis, and conclusion."

✓ Grammatically correct

Science

News & Media

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

49 human-written examples

Next year, to remain in the conference, the Northeast Elite's roster must be composed entirely of active college students.

The New York Times - Sports

REACHING beyond earth, air, fire and water, Aristotle insisted that the heavenly spheres -- the realm of the stars and gods -- must be composed of something less mundane.

The New York Times

For certain trace-level analyses the sample collection vessel must be composed of high-purity materials and rigorously cleaned before use.

Encyclopedia Britannica

Many of these studies are based on the Norway experiment, where at least 40 percent of every corporation's board must be composed of women.

The New York Times

A national Olympic committee (NOC) must be composed of at least five national sporting federations, each affiliated with an appropriate international federation.

Encyclopedia Britannica

The International Bobsleigh and Tobogganing Federation, known as the F.I.B.T., mandates specific weight and dimensions on runners and says they must be composed of the same material, defined as an alloy combination of carbon and iron.

The New York Times

Human-verified similar examples from authoritative sources

Similar Expressions

10 human-written examples

Thermoelectric materials must have a high conversion efficiency, and they must also be composed conveniently of non-toxic and abundantly available elemental species having high chemical stability in air.

Nanoscale Research Letters

Thus, Leibniz thinks that if a body is to have any reality at all, if it is to be more than a mere "phenomenon, lacking all reality as would a coherent dream," then it must ultimately be composed of things which are real beings.

SEP

Thus, AEF must either be composed largely of organic-bound Fe, or Fe oxides must be released in the organics/sulfides of the Tessier method.

Geochemical Transactions

Language, then, must break down, upon analysis, into propositions that cannot be analyzed into any other simpler propositions; and, insofar as language mirrors reality, the world must then be composed of facts that are not constituted of other simpler facts.

Encyclopedia Britannica

The remaining 94% must therefore be composed of things other than the familiar electrons, protons and neutrons that make up just about everything that anybody currently knows about.This conclusion also follows from a completely different line of evidence, dating back to the 1940s.

The Economist

Expert writing Tips

Best practice

When using "must be composed", ensure clarity about the essential components that constitute the whole. Be specific and avoid ambiguity.

Common error

Avoid using "must be composed" when "can be composed" is more appropriate. "Must" implies a strict requirement, while "can" suggests a possibility or option. Use "must be composed" only when the specified components are mandatory.

Linguistic Context

The phrase "must be composed" functions as a passive construction indicating a requirement or necessity regarding the elements or components that constitute something. Ludwig AI confirms its correct usage in various contexts.

Expression frequency: Very common

Frequent in

Science

44%

News & Media

23%

Encyclopedias

15%

Less common in

Wiki

8%

Formal & Business

4%

Reference

0%

Ludwig's WRAP-UP

In summary, "must be composed" is a grammatically correct phrase used to express a requirement regarding the components of something. Ludwig AI data shows that it's a common phrase appearing frequently in scientific, news, and encyclopedic contexts. When using this phrase, ensure that you clearly specify the necessary elements. Alternatives include phrases like "must consist of" and "must be made up of". Avoid overgeneralization by only using "must be composed" when the specified components are mandatory, and not merely optional.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

must consist of

This alternative is more direct and emphasizes the elements that are necessarily included.

must be made up of

This alternative highlights the act of forming something from constituent parts.

is required to be composed of

This alternative adds a formal tone emphasizing the necessity of the composition.

necessarily comprises

This alternative uses a more formal verb to indicate essential inclusion.

is essential to consist of

This alternative stresses the importance of particular components.

is bound to be composed of

This alternative expresses inevitability in the composition.

has to be composed of

This alternative uses a more colloquial tone to express obligation.

should be composed of

This alternative suggests a recommendation rather than a strict requirement.

is expected to be composed of

This alternative implies a standard or common expectation.

is designed to consist of

This alternative focuses on the intended structure or design.

FAQs

How do I use "must be composed" in a sentence?

Use "must be composed" to indicate the necessary components or elements of something. For instance, "The team must be composed of members with diverse skill sets."

What can I say instead of "must be composed"?

You can use alternatives like "must consist of", "must be made up of", or "is required to be composed of" depending on the context.

Is it correct to say "should be composed" instead of "must be composed"?

While similar, "should be composed" suggests a recommendation, whereas "must be composed" indicates a necessity. Choose the phrasing that accurately reflects the level of requirement.

What's the difference between "is composed of" and "must be composed of"?

"Is composed of" simply states the components of something, while "must be composed of" emphasizes that those components are essential or required. The latter carries a stronger sense of obligation or necessity.