It could change colors at will.

Meaning: This sentence explains the chameleon's unique ability to alter its skin color based on its own volition.

Choice of Words: It is a pronoun that refers to a previously mentioned noun (the chameleon). Could is a modal verb that indicates ability or possibility. Change is a verb that means to become different. Will is a noun that refers to a person's desire or intention.

Alternative Expressions

Related Expressions