As Derek washed the windows, Jill worked beside him what is the prepostion

The preposition in the sentence above is beside because it adds additional detail or information to the statement. Prepositions are very important parts or features of a statement because they give necessary and important information in the sentence making it more comprehensible. These are words that simply introduce details to the readers. However, prepositions are not stand-alone in a sentence because it works best in a group that is called prepositional phrase. Prepositions can either give additional information or make the statement easy to understand.