Here's a breakdown:
What it does:
* Modifies: Provides additional information about another word, usually a verb, adjective, or adverb.
* Answers questions: Answers questions like "how," "when," "where," "why," "to what extent," etc.
Structure:
* Typically consists of: A preposition, an adverb, or a combination of words.
* May include: A noun, pronoun, or adjective.
* Can be long or short:
* Short example: "very quickly"
* Long example: "with great enthusiasm"
Examples:
* Modifying a verb: "He walked into the room." (Tells us where he walked.)
* Modifying an adjective: "She was extremely happy." (Tells us the degree of happiness.)
* Modifying an adverb: "They arrived very late." (Tells us the extent of lateness.)
Other important points:
* Adverbial phrases can be placed in different positions within a sentence.
* They can be essential for clarity and understanding.
* Sometimes, they can be combined with other phrases or clauses.
Let me know if you would like to see more examples or have any further questions!