"are composed of" vs "are composed by"

Question

"are composed of" vs "are composed by"

Both "are composed by" and "are composed of" are commonly used phrases in English, but they are used in different contexts. "Are composed of" is the correct phrase to use when describing the elements or parts that make up something. On the other hand, "are composed by" is used when talking about the creator or author of a piece of work.

Last Updated: March 21, 2024

Use "are composed of" when you want to describe the components or ingredients that form a whole.

Examples:

The necklace is composed of pearls and gold.
The committee is composed of experts in various fields.

Alternatives:

consist of
comprise
made up of
constructed of
formed of

Use "are composed by" when you want to indicate the person or entity responsible for creating a particular piece of work.

Examples:

The music for the movie was composed by a talented composer.
The artwork in the gallery was composed by a renowned artist.

Alternatives:

was created by
was written by
was crafted by
was designed by
was made by

Answer 1

are composed of

This phrase is correct and commonly used in English when describing the elements or parts that make up something.

Answer 2

are composed by

This phrase is correct and commonly used in English when referring to the creator or author of a piece of work.

"are composed of" vs "are composed by"

are composed of

are composed by

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