For Better for Verse: An interactive learning tool that can help you understand what makes metered poetry in English tick.

Link to U.Va. English Department
1.     Locate any polysyllabic words and mark their stresses, as given in a dictionary. 2.     Mark the stressed monosyllables.  These will be most (but not always all!) of the following: nouns, main verbs, adjectives and adverbs, interjections, interrogative pronouns; and rhymes. 3.     Mark the rest of the syllables slack.  These will be unstressed syllables within polysyllabic words and most (but not always all!) of the following monosyllables: articles, prepositions, auxiliary verbs, conjunctions, relative pronouns. 4.      Perform the score you just wrote, by playing it back to yourself.  That is, read your scansion out loud and check it by ear against your provisional reading, negotiating between the two if necessary, and adjusting your scansion marks to reflect any changes of mind.