WHITE CHRISTMAS 
the chords you wil be using are; in order
G-Am-D-C-D7-G-G7-C-Cm-G-Em-Am-D7-G FOR THE FIRST VERSE, THEN SECOND VERSE IS

G-Am-D-C-D7-G-G7-C-Cm-G-Em-C-D7-G  EXIT Am-D7-G (STRUM THE LAST G)
YOU MAY STRUM THE CHORDS OR PICK THEM IN THIS PATTERN (6-3-2-3-1-2-3-2) but 
remember to alternate the bass strings according to the chord you're playing
have fun and MERRY CHRISTMAS TO ALL

G                 Am    D                     
I'M DREAMING OF A WHITE CHRISTMAS

C             D7             G          
JUST LIKE THE ONES I USED TO KNOW

                   G7           
WHERE THE TREETOPS GLISTEN

    C        Cm         
AND CHILDREN LISTEN

   G    EM                 Am      D7      
TO HEAR SLEIGHBELLS IN THE SNOW

(SECOND VERSE)

G                 Am    D7                   
I'M DREAMING OF A WHITE CHRISTMAS

C          D7               G                
WITH EVERY CHRISTMAS CARD I WRITE

                 G7        C       Cm                   
MAY YOUR DAYS BE MERRY AND BRIGHT

        G   Em   C     D7       G                    
AND MAY ALL YOUR CHRISTMASES BE WHITE

(FROM HERE YOU CAN IMPROVISE BEFORE STARTING OVER OR PLAYING THE SECOND VERSE AGAIN)
EXIT (Am-D7-G)

来源：www.ultimate-guitar.com