Novelists can convey there personal opinions through the main character that can representing themselves.
1-4 look correct to me.
for #5, you are correct that to come is not a prepositional phrase because there is no object. If I were you, I'd leave it alone and keep the one next it. all others look correct.
Theseus is a king of athens. he was in greek mythology. his father had killed himself because he made a promis that he would change his sails black if he lived from defeating the minitour but he forgot upon his return.
