A group user answered a similar question in 2011:

Not free ( $10) but 200 Drum Machine Patterns by Rene-Pierre Bardet
is a pretty good basic book and seems to be based on the 707. Amazon has got it.

[group manager comment]:

Some more details about the book:

Title: 200 Drum Machine Patterns
Author: Rene-Pierre Bardet
Format: Paperback (80 pages)
Publish Date: November 1986
ISBN-10: 0881886327
ISBN-13: 978-0881886320

Another option which may or may not be worth looking into:

Title: Forty Patterns for Roland Drum Machines
Author: Rene-Pierre Bardet
Format: Paperback
Publish Date: December 1989
ISBN-10: 0825612101
ISBN-13: 9780825612107

--- In tr-707@yahoogroups.com , john hilton <turnupjohnto10@...> wrote:
>
> Where can I get patterns that I can see and copy
>
> Working in an acoustic trio so simple patterns would probably be best -
> or I can simplify them.  I don't know how to download directly into the
> 707.
>
> John
>