Construct melodies utilizing the provided motif and adhere to the outlined musical structure.
X:1
L:1/8
Q:1/4=140
M:2/4
K:F
['F>FF>F TG3 d c>BA>G A>c f2 F>FF>A', 'c4 c>cc>c b3 a g>fe>d c>BA>G A>Fc>A'  
X:1
L:1/8
Q:1/4=140
M:2/4
K:F
 F>FF>F | TG3 d | c>BA>G | A>c f2 | F>FF>A | G3 d | e>dc>=B | c4 :: c>cc>c | b3 a | g>fe>d | 
 c>BA>G | A>Fc>A | f2 ed | c>BA>G | F4 :|  