Dashes

• Dashes can substitute for both Appositives and Colons
  • Appositives
    • ​Daniel Snyder- the owner of the Washington Redskins- is the worst owner in all of sports. 
    • My math class- advanced calculus- is extremely difficult.
    • The Smithsonian-a network of galleries in DC- is a popular tourist destination.
      
      
  • ​Colons 
    • ​We already knew which team would lose the game- the Washington Redskins.
    • I want to visit the following cities in Argentina- Buenos Aires, Patagonia, and Mendoza.
    • Never forget this point- think before you speak.