concurrent points or intersecting points
I believe it is horrid, but I can't be sure...
As Odysseus was leaving the island of the Cyclops behind, he mocked and talked down on Polyphemus and accused him of being impious. Polyphemus exclaimed that he was the son of Poseidon, yet Odysseus did not believe him.
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.
