Simple:
* My neighbor has a beautiful garden.
* We borrowed a cup of sugar from our neighbor last night.
Descriptive:
* The friendly neighbor across the street always waves hello.
* My neighbor's dog barks incessantly at night.
Figurative:
* The artist's new work was heavily influenced by the neighboring city's vibrant street art scene.
* He was so focused on his own problems, he didn't notice the neighbors who were struggling.
With different grammatical functions:
* The neighbor is a kind and helpful person. (Subject)
* I spoke to the neighbor about the noise. (Object)
* The house next door belongs to the neighbor. (Adjective)
* We spent the afternoon with the neighbors. (Prepositional object)
Remember to choose the sentence structure that best fits the context and meaning you want to convey.