I thought it about time a Triolet was added to the mix - eight lines of iambic rhythm, with a rhyme scheme of ABaAabAB. First, fourth and seventh lines are a repeated refrain, as are lines two and eight.
The half way marker now is past,
soon April's poems will be done
defying winter's dying blast.
The half way marker now is past -
it seemed to come and go so fast!
Although we've all had lots of fun,
the half way marker now is past;
soon April's poems will be done.