What is the adverbial in the following sentence:

Question

Dionne collected shells from the beach

Answer 1

An adverb phrase is simply two or more words that act as an adverb. It can modify a verb, adverb, or adjective and can tell “how”, “where”, “why”, or “when.” An adverb clause which also modifies verbs, adverbs and adjectives; but, an adverb clause also includes a subject and a verb.

Adverb Phrase Examples - Examples on YourDictionary

http://www.examples.yourdictionary.com/adverb-phrase-examples.html

Answer 2

Please help I'm stuck on the questions.