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!
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Ok thank you so much, i'm gonna add you as a friend
To satisfy his pride and to win fame for himself to help the king.
Maybe their all watching T.V?