Question

The clouds they were grey and the autumn winds blew,

Answer 1

the answer is AAAB

i hope this helps

Answer 2

The 3 first lines end-up in the pronunciation /oo/: Blew, two, and knew.
While only the last line ends up in /om/: Freedom.

So logically the rhyme scheme of the stanza is AAAB.

Hope this Helps! :)