3. Adverbial Phrase

An adverbial phrase usually consists of two or more words: an adverb being the head word in an adverbial phrase plus other words, although it can consist of only one adverb. The adverbial phrase functions as an adverb in a sentence and is often a prepositional phrase that modifies a verb, adjective, or adverb.

Examples:

He ate his ice cream in a train.(The adverbial phrase in a train modifies the verb ate.)

She seems happy with her puppies.(The adverbial phrase with her puppies modifies the adjective happy.)

Bob hates to wake up early on Monday morning.(The adverbial phrase on Monday morning modifies the adverb early.)