The following finger picking patterns are variations of 3/4 time. One note per beat. All of the following patterns are using a G chord. You can use any chord you like.

P I M A I M
     p  i  m  a  i  m   
E-------------3---------
B----------3--------3---
G-------0--------0------
D-----------------------
A-----------------------
E----3------------------

P I M A M A
     p  i  m  a  m  a 
E-------------3-----3---
B----------3-----0------
G-------0---------------
D-----------------------
A-----------------------
E----3------------------

P I M A M I
     p  i  m  a  m  i 
E-------------3---------
B----------3-----0------
G-------0-----------0---
D-----------------------
A-----------------------
E----3------------------

P I A I M I
     p  i  a  i  m  i 
E----------3--------3---
B----------------0------
G-------0-----0---------
D-----------------------
A-----------------------
E----3------------------

P M I A M I P M I A M I
     p  m  i  a  m  i  p  m  i  a  m  i   
E-------------3-----------------3---------
B-------3--------3--------3--------3------
G----------0--------0--------0--------0---
D-----------------------------------------
A----------------------2------------------
E----3------------------------------------