Here's a breakdown:
* Preposition: A word that shows the relationship between a noun or pronoun and another word in the sentence. Examples: on, in, at, to, from, with, by, for, etc.
* Object of the preposition: The noun, pronoun, or noun phrase that the preposition "relates" to.
Example:
* Sentence: The cat sat on the mat.
* Preposition: on
* Object of the preposition: mat
Explanation:
The preposition "on" shows the relationship between the cat and the mat. The word "mat" is the object of the preposition because it follows "on" and answers the question "on what?".
More examples:
* In the garden, I saw a butterfly. (Object of the preposition: garden)
* She walked to the store. (Object of the preposition: store)
* He played with his dog. (Object of the preposition: dog)
Key takeaway: The object of a preposition is the noun or pronoun that the preposition acts upon.