Working with Renoise: adding drums to exsiting patterns

Another question. I have several patterns and by now I have found a somewhat nice drum groove to add to them. How can I add a drum/percussion track (or any track for that matter) to existing patterns ? I can add the track to one pattern, although I haven’t found yet how to copy that single track to other patterns. Is it possible ?

If you want to duplicate tracks from one pattern to another, you can do so in two ways:
Either by ctrl/cmd-clicking the specific track clip in the pattern matrix and then drag that clip to the target pattern (this will include track automation).
Or by hitting shift F4 to copy the source track and hitting shift F5 to paste into the target track.