Couplets are two lines of poetry that rhyme.
When you hear 'couplet' think 'couple'. For Example:
Son dos líneas de poesía que riman
buckle my shoe
shut at the door
Caballito blanco, llévame de aquí.
Llévame a mi pueblo donde yo nací.
Hey diddle diddle,
the cat and the fiddle,
Jack and Jill
went up the hill
¿Qué te pasa
Humpty Dumpty sat on a wall,
Humpty Dumpty had a great fall;
You can put many couplets together for a longer poem:
All My Great Excuses
by Kenn Nesbitt
I started on my homework, but my pen ran out of ink…
My hamster ate my homework…My computer’s on the blink…
I tripped and dropped my homework in the soup my mom was cooking…
My brother flushed it down the toilet when I wasn’t looking…
My mother ran my homework through the washer and the dryer…
An airplane crashed into our house… My homework caught on fire…
I worked on these excuses so darned long my teacher said,
"I think you’ll find it’s easier to do the work instead."