Answer:
adjective phrase
Explanation:
The big tree near our front fence needs to be .... The italicised prepositional phrase has the function of an adjective. This is so because it is modifying the nucleus from the subject which is tree. The prepositional phrase is within the subject and is the answer to this question: WHICH tree needs to be taken down?; the answer would be: The tree near our front door- which implicitly means this tree as opposed to any other tree from the place-.
