Regretful, because the narrator says “sorry i could not travel both” and shows that they are regretful they can not do both
"Practice every day" the coach reminded the team.
No; a prepositional phrase begins with (or includes) a preposition such as "of", "through", and "around".This sentence does not have a preposition within it, so, no, it is does not have a prepositional phrase.
They do, that’s why you found that picture.