startwiththeeasyones,suchasthepoetryofwilliamcarloswilliams.
firstofall,gettoknowthebackgroundofthepoemandtheintroductionofthepoet.
second,trytomastersomebasicelementsaboutpoemsaswellastheoldenglishifyou'redoingpoemsround19thcenturyorbefore.
third,enlargeyourvocabulary.
fourth,broadenyourimaginationwhileappreciating.
lastbutnotleast,justlikewhatstormsuesaidabove,keepreadingandpractisingandyouwillgettheessencesoonerorlater.