Dawnbreaker
~The Other Side of Fear~
The thing is, real life people have unique speech patterns. At the most basic level we're talking about the catchphrases people over-use (my HoD always says, "Fabulous") but it's also about the richness and breadth of their vocabulary, the complexity of their sentence structures, whether they are wordy or laconic, the rhythmic pattern of their words.
A good way to practice this is by starting with people you know. Think of three or four people you know well who are all very different from each other. Then try to write the way each of them would speak in various real life banal scenarios, such as
- somebody running over their foot with a shopping trolley at the supermarket
(for example,
My brother in law: Fuckin' hell you eejit careful fuck
My mother: Oh my goodness, ha ha sorry, I didn't see you there
My eldest son: ....... Ouch.)
- calling everyone in the house to come eat dinner
- trying to book a hotel room
- pointing out to someone else that they have made a mistake
- apologizing for making a mistake
You can think of plenty more. The purpose of this exercise is to develop an ear for diverse voices. The ideal should be to give each character such a distinct voice that you don't even have to use dialogue tags for the reader to know which person is speaking.
OMG, this. I use to use that to explain to people what the differences in alignment meant in D&D--from the Lawful-Good (read: Lawful-Stupid) Paladin rushing into the fray and dying almost immediately to the Chaotic-Evil (read: BMF) slaughtering everyone, including his companions. The idea is to point out the differences, and that'll help you with the dialogue.
(I once created a story based on a D&D All-Stars (read: All alignments) Big Brother party. The result was hilarious...and disturbing. xD)