I learned a poem called "The Road not Taken." Can you find alliteration, rhyme and rhythm? What is perspective of this poem?
alliteration: wanted wear
rhythm: ' ! ' ! ' ' ! ' !
perspective: an old person reflecting on where they are now and how things might have been different
For any unfamiliar with this poem, the complete form can be found here
There is relatively little alliteration (use of the same sound or letter at the beginning of adjacent words) in The Road Not Taken. The only example I found was a the end of the middle line of the second verse: "wanted wear".
The rhyme or rhyme pattern is based on the endings of lines in each verse. Using the first verse as a prototype, the lines end with:
which gives a rhyme pattern:
Checking this against the remaining verses show that this pattern continues for all verses in the poem.
Personally I find rhythm the most difficult to extract in an analytic manner (although, with a good poem, it's form is usually intuitive).
Approaching this analytically:
 Break the lines of the poem down into a consistent number of syllables per line. In The Path Not Taken most lines contain 9 syllables, but some "fudging" is necessary to be able to read the poem with a consistent pattern of 9 syllables per line.
For example, line 1 of verse one, we need to read:
and in line 1 of verse 2
Working from the "syllablified" lines, work out a pattern of "strong beats" (the syllables that you really "punch" when you are reading) and "weak beats"
Using ! under strong beat syllables and ' under weak beat syllables, here is what I cam up with for the first two lines of the first verse:
Two ROADS di-VERG'D in a YEL-low WOOD,
And SOR-ry I could not TRA-vel BOTH
In fact this rhythm pattern:
can be applied (with some care) to every line of this poem.
(Hopefully the perspective is self-explanatory since Socratic is already complaining about this answer's length).