Done? Okay. I feel like I should clarify, as Pot has touched upon a more philosophical and long term aspect of the notion of writing like you talk. She talks about the fantastic journey of finding one’s voice as a writer. This is, typically, a long term process of evolution over your lifetime as a writer. When I say write like you talk, I really don’t mean it as relates to your writer’s voice. I’m merely trying to make it easier for you to write understandable, free-flowing prose–something that would trip off your tongue easily rather than coming off stilted and awkward. I don’t mean you literally have to put the words on paper exactly as you speak because that’s not only limiting, it’s nonsensical. Everyone has multiple voices. I work in academia. I have a very different way of speaking to research colleagues than I do to my friends or to a child or to my parents. I can just as easily adopt a characters’ voice, whether that character be a historical Highlander or an elderly black woman from the Deep South. Those are just as much writing like you talk as your specific voice.
I suppose what I’m really getting at is that writing as you speak is often (not always, lord knows) an easier way of writing clearly than pulling out Strunk and White and looking at all the bits and pieces and how they allegedly, mechanically fit together. Now for some folks, who perhaps grew up somewhere where standard English was not the norm, this may be more difficult to apply. It can be applied successfully–look at Zora Neale Hurston’s Their Eyes Were Watching God. That entire novel is written in dialect just about. And it’s masterfully done (a bit difficult to read, but still wonderful).
Perhaps better advice would be to read. There is a huge disconnect in schools where they separate grammar and reading into separate subjects, and I think it’s a mistake. People don’t seem to like to read much anymore, so they aren’t getting the constant exposure to the written word and learning grammar that way. I didn’t learn it the traditional way (for example, I don’t have the foggiest idea what a gerund is). But if you want to write read like crazy. Everything you can get your hands on. Read for voice, read for sentence construction and vocabulary. Pay attention to how each author puts things together. And your own voice will begin to morph and change and develop because of it.