It sounds like just a 4 chord progression throughout the song.
Listen to it to come up with your own strumming pattern.
This chord is only switched to for a second- and quickly resolves back to the Bm
V
-7----7----6----10---7----6-|
-7----7----5----9----7----5-|
-7----7----6----9----7----6-|
-9----7----4----9----9----4-|
-9----9----4----x----9----4-|
-7----7----x----x----7----x-|
Outtro:
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-5-5-5-5-5-5-3-3-3-2-0-0----------------|
----------------------------------------| X3
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-7-7-7-7-7-7-6-6-6-10-10-10-|
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Repeat outtro until fade