1st line I think hope this helps
In <em>Paper Towns</em>, Quentin takes a look out his bedroom window and realizes that there is a poster which can only be seen when Margo's window shutter is rolled down. His friend, Radar, identifies it as a poster of the folk singer Woody Guthrie. After this discovery, they are sure that Margo has left more clues to reveal, so they ask Margo's sister if they could search her room.
Yes, one should make sure that the subjects and verbs agree
D. My Father has decided to retire in the fall of next year.
father should not be capitalized because it is not a proper noun <span />
