Compose melodies using the provided motif and adhering to the designated musical form.
X:1
L:1/4
M:4/4
K:G
['B G', 'G B G'  
X:1
L:1/4
M:4/4
K:G
 B G | B G | F3/2 G/ A | G3 | B G | B G | F3/2 G/ A | G3 |: F F G | A2 F | G G A | B2 G | B G | 
 B G | F3/2 G/ A | G3 |]  