The reason I ask these question to show you that if your chord vocabulary is large then you can use the numbers that T-Block says and use it in the key or keys you know;however, it might not be in the right key. Now I got a suggestion alot of yall going to get on me for saying this: you can use as only to figure out the formula in the key that you know, write it down in the key you know and take it one key at a time it is a good practice in which your chord vocabulary can expand dramatically also I would learn how to read sheet music and while I would learn how to read the sheet music, Look at the chord symbol on top of the line so you can see the patterns. I would suggest getting this book
Gospel Piano (The Complete Guide With CD)
INSTRUCTIONAL SONGBOOK
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This comprehensive book/CD pack provides you with the tools you need to play in a variety of authentic gospel styles, through a study of rhythmic devices, grooves, melodic and harmonic techniques, and formal design. The accompanying CD features over 90 tracks, including piano examples as well as the full gospel band to help capture the true flavor of the style.
I was impress with the book you can get it at N-Time Music
http://www.ntimemusic.com/Scripts/prodView.asp?idproduct=4711then I would get the wow gospel songbook and the other wow songbook and I would learn the pattern of these books. it would help you to advance more in your music. I don't mean out of disrespect but to help