If you are looking for a more formal sense of your living room, the standard three person sofa is one way to go. These sofas tend to have a traditional look to them. However, you can still have seats in section. Pair your sofa with a sofa loveseat or second. Depending on how formal you want your living room may not have television. But if you have a fireplace, you want your main sofa facing. Arrange your loveseat or second sofa off the turn to move towards the fireplace.