Final answer:
The refrains in 'The Raven' are 'Nevermore', 'Lenore', and 'Quoth the Raven', while 'Evermore' is not a refrain.
Step-by-step explanation:
In the poem 'The Raven', the three refrains are 'Nevermore', 'Lenore', and 'Quoth the Raven'. These phrases are repeated at the end of each stanza and contribute to the poem's memorable rhythm. However, 'Evermore' is not a refrain in 'The Raven'.