The Cascarra Pattern

R -x--x-x-x----x-x|x---x-x-x---x-x|x--x-x-x----x-x|x---x-x-x---x-x|
S -o--o------o----|--o-----o---o--|o--o------o----|--o-----o---o--|
B -o----o-o------o|o-----o-o-----o|o----o-o------o|o-----o-o-----o|
hf----x--------x--|----x-------x--|---x--------x--|----x-------x--|
   1 e+ d 2  e + d 1 e + d 2  e+ d 1 e+ d 2  e + d 1 e + d 2  e+ d
  

To learn this it takes time and effort! If you can't seem to get it just play the 
hi-hat foot and base foot and ride alone and then bring in the snare.
This is a brazilian beat so play a little lighter.
Good Luck!