Explanation:

- The phrase "Since the beginning" is a dependent clause, as it does not express a complete thought and relies on the rest of the sentence for its meaning.
- However, it can also be considered a phrase because it does not have a subject and a predicate to form a complete sentence.
- Additionally, it can be classified as an independent clause because it can stand alone as a sentence and expresses a complete thought.

Dependent Clause:
A dependent clause is a group of words that contains a subject and a verb but does not express a complete thought. It relies on the rest of the sentence to make sense. In this case, "Since the beginning" is a dependent clause because it cannot stand alone as a complete sentence. It requires additional information to make sense.

Phrase:
A phrase is a group of words that does not have a subject and a predicate to form a complete sentence. It can function as a noun, verb, adjective, or adverb within a sentence. "Since the beginning" is a phrase because it lacks a subject and a predicate.

Independent Clause:
An independent clause is a group of words that expresses a complete thought and can stand alone as a sentence. It has a subject and a predicate, and it does not rely on other parts of the sentence for its meaning. "Since the beginning" can be considered an independent clause because it expresses a complete thought and can function as a standalone sentence.

Conclusion:
In summary, the phrase "Since the beginning" can be classified as a dependent clause, a phrase, and an independent clause. It is dependent because it relies on the rest of the sentence, it is a phrase because it lacks a subject and a predicate, and it is independent because it can function as a standalone sentence.