Build your composition by using the subsequent musical layout as a reference.
'Ternary', 'Sectional: Verse/Chorus/Bridge'  
X:1
L:1/8
Q:3/8=120
M:9/8
K:G
 d"^repeat mark added" |: gfg edc B2 G | gfg efg a2 f | gfg edc d2 B | GGG GAB d2 B :: 
 AAA A2 B G3 | ABA ABc d2 B | AAA A2 B GAB | gfg edc B2 G :|  