What is an example of internal rhyme in poes the raven?

Whose woods these are I think I know - a

His house is in the village though - a

He will not see me stopping here - b

To watch his woods fill up with snow -a

rhyme scheme: a-a-b-a

another example:

Let me not in the marriage of true minds - a

admit impediments love is not love - b

when it alters when it alteration finds - a

or bends with the remover to remove - b

rhyme scheme: a-b-a-b

another example:

tiger, tiger burning bright - a

in the forest of the night - a

what immortal hand or eye - b

could frame thy fearful symmetry - b

rhyme scheme: a-a-b-b

N.B. Shakespearean sonnets follow a rhyme scheme of a-b-a-b / c-d-c-d / e-f-e-f / g-g