In these lines from Keats ‘Ode to a Nightingale’
‘The heart aches, and a drowsy numbness pains
My sense as though of hemlock i had drunk Or emptied some dull opiate to the drains one minute past and Lethe-wards had sunk’,
the poet uses
- alternative rhymes
- heroic couplet
- bank verse
-
octosyllabic metre
- terza rima.