Yes, “along” is a preposition when it shows the relationship between a noun (or pronoun) and another part of the sentence.
Uses of “Along” as a Preposition:
- Indicating Movement or Position in a Linear Direction
- They walked along the river.
- The restaurant is located along the main road.
- Indicating Accompaniment or Parallel Position
- There were food stalls along the street.
- Trees are planted along the sidewalk.
Other Uses of “Along”:
- As an Adverb (Modifying a verb, meaning “forward” or “together with”)
- She brought her team along to the meeting.
- Move along, please!
Why “Along” Is a Preposition in Most Cases
- When followed by a noun or pronoun, “along” functions as a preposition (e.g., along the road).
- When it modifies a verb, it functions as an adverb (e.g., Come along!).
Thus, “along” is most commonly a preposition.
