Construct melodies utilizing the provided motif and adhere to the outlined musical structure.
X:1
L:1/4
Q:1/4=120
M:4/4
K:F
['F G A B c3/2 d/ c2']  
X:1
L:1/4
Q:1/4=120
M:4/4
K:F
 F G A B | c3/2 d/ c2 | F G A B | c3/2 d/ c2 | c3/2 c/ c B | A3/2 A/ A2 | G G c e | g2 =B2 | c4 | 
 G F B2 | G2 G F | B2 G2 | F G A B | c3/2 d/ c2 | B A G F | (F2 G) E | F4 |]  