must be composed of

USAGE SUMMARY

The phrase "must be composed of" is grammatically correct and often used in written English.
It is typically used to describe something that is necessary or required to be made up of certain elements or components. Example: The essay must be composed of at least 1000 words, a clear introduction, three body paragraphs, and a conclusion. In this sentence, "must be composed of" is used to specify the requirements for the essay, indicating that it needs to contain certain elements in order to be considered complete.

✓ Grammatically correct

Academia

News & Media

Science

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

51 human-written examples

Examination and/or thesis committees must be composed of appropriate members from each campus.

University of California, Berkeley

Examination and dissertation committees must be composed of appropriate members from each campus.

University of California, Berkeley

It must be composed of characters in the Roman alphabet or symbols on the US keyboard.

Massachusetts Institute of Technology

Examination and dissertation committees must be composed of appropriate representatives from each campus.

University of California, Berkeley

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

This is fairly computationally intensive: every word the SGD speaks must be composed of multiple diphones which it must identify in its existing database.

MIT Technology Review

Human-verified similar examples from authoritative sources

Similar Expressions

9 human-written examples

This house must be composed out of these nails, these boards, and this cement.

SEP

To validate the methods proposed here, we selected a dataset that fit three criteria: 1) the set must be sufficiently large to provide reasonable assurance of method validation; 2) the selected set must be small enough that a researcher could usefully consider each individual result; and 3) the selected set must be composed to be of general, biological interest.

Plosone

For early recognition and management of RA, efforts must be composed mainly of medical education and health system organization.

Clinical Rheumatology

If the 2011 occultation results are used, then Eris has a density of, substantially denser than Pluto, and thus must be composed largely of rocky materials.

Wikipedia

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

Expert writing Tips

Best practice

When specifying requirements, use "must be composed of" to clearly indicate the necessary elements or components. This phrase is particularly effective in formal or technical contexts.

Common error

Avoid using "must be composed of" in very informal settings where simpler alternatives like "is made of" or "includes" might be more appropriate. This helps maintain a natural and accessible tone.

Linguistic Context

The phrase "must be composed of" functions as a modal construction indicating a requirement or necessity regarding the elements that constitute something. It asserts that a particular entity or concept is obligatorily formed from certain components, similar to the examples provided by Ludwig.

Expression frequency: Very common

Frequent in

Science

30%

Academia

25%

News & Media

20%

Less common in

Encyclopedias

10%

Formal & Business

8%

Wiki

7%

Ludwig's WRAP-UP

In summary, the phrase "must be composed of" is a grammatically correct and commonly used construction, particularly in formal, scientific, and academic writing. As Ludwig AI confirms, it signifies a requirement or necessity concerning the elements that constitute something. It effectively specifies essential constituents and sets clear expectations. While versatile, it's best suited for contexts where precision and clarity are paramount, and Ludwig's examples illustrate its frequent usage in scientific and academic domains. Consider alternatives like "must consist of" or "must include" for nuanced situations, and be mindful of overuse in overly informal scenarios to maintain an appropriate tone.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

must consist of

Changes the verb from 'compose' to 'consist', maintaining the meaning of being formed from specific elements.

must be made up of

Replaces 'composed' with 'made up', offering a more informal alternative while preserving the original sense.

must include

Shifts the focus slightly to requirement of inclusion rather than full composition.

must incorporate

Indicates that certain elements are necessarily integrated into the whole.

is required to contain

Emphasizes the mandatory aspect of having certain components.

is required to comprise

Uses 'comprise' to indicate that something must include specific elements as part of its whole.

is obliged to have

Focuses on the obligation to possess certain components.

necessarily contains

Highlights that the inclusion of elements is not just required but essential.

demands the presence of

Stresses that certain elements are indispensable and obligatory.

mandates the integration of

Indicates a formal requirement for specific elements to be part of the entity.

FAQs

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

Use "must be composed of" to specify the required elements or components of something. For example, "The team must be composed of members from different departments."

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

You can use alternatives like "must consist of", "must be made up of", or "must include depending on the context.

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

While "must be composed of" indicates a requirement, "should be composed of" suggests a recommendation or preference. The choice depends on whether the composition is mandatory or simply advisable.

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

"Must be composed of" indicates a requirement or necessity, while "is composed of" simply states a fact about the composition without implying any mandate.