Predicate adjective kdfmvkndfvkndfvlkasdvkdfvokdfkmvdifkvndlakfvnlkadsnvlakdfnv
The prepositional phrase for this sentence is "go until Friday." The word "go" is a preposition. Think of it as a squirrel and a log. To find a preposition, say "The squirrel (went) [insert preposition] the log." If it makes sense, it is a preposition. Then just find the phrase to go along with it!
One benefit is that the audience can connect more effectively with the author if they are tellinga story in first-person pov because the authir would have to use language that helps the audience feels and almost in a way experience what they went through or are describing.