> count the number of times this each possible n-gram appears across the entire Google corpus I mean, what you describe is basically a Markov Model described b

> count the number of times this each possible n-gram appears across the entire Google corpus I mean, what you describe is basically a Markov Model described by Claude Shannon in his paper on entropy. Applying to speech recognition is pretty straightforward: As you keep speaking after a transcription mis-step, the odds that you said the thing becomes less and less likely given the words that followed it.