Which word is an adverb we left our muddy shoes outside?

The adverb in the sentence "We left our muddy shoes outside" is outside.

Here's why:

* Adverbs modify verbs, adjectives, or other adverbs. They tell us how, when, where, or to what extent something happens.

* In this sentence, "outside" tells us where we left the shoes. It modifies the verb "left".

Let me know if you'd like to try another sentence!