Standard Gloom Form. 
Syllables of this form group in 7’s and 3’s
With old classical as 3,7,3,3,7,3,3,7,3,3,7,3,7 in a stanza. 
And New Classical as 7,3,7,7,3,7,7,3,7,7,3,7,3 in a stanza. 
The Bit form can be either a 3,7,3 or 7,3,7 short stanza
~ ~ ~ sometimes Bits double of one of the types. 
Alternate Forms are styles that deviate from those guidelines
The Haiku
 Example~ Day Passing
 Example~ Waters
 Example~ Riding
 Example~ Casting Moments
Japanese Styles:
Choka Forms
The Sijo    ~~~ a brief explaination of form
 Example~ Earth Body
 Example~ Raven
 Example~ Winter Night Storm
 Example~ The Light
Five Line Forms
 Example~ Three Piece Band
 Example~ Windsong
 Example~ Insomnia
 Example~ Dried Flowers
The Villanelle  ~~~ a brief explaination of form
 Example~ Friendly Night
The Virelai
 Example~ Dark Virelai
The Sonnet
 Example~ The Spring Brook
 Example~ Lost Horizon
 Example~ From Darkness Bright
 Example~ Summer Sonnet
 Example~ Scarring
 Example~ Exposure
 Example~ She Dreams at Night 
 Example~ Here Comes the Rain?
 Example~ Hot Times Summer in the City
Random Rhyming Forms
 Example~ Transition From Night into Day 
 Example~ H/D/Q
 Example~ Dreams
 Example~ Veils
 Example~ She’s Leaving Me Bob
The Poet Garret
This link will take you to the Biki’s site, an excellent source for many forms.
 to the Index~~~to Poetry 1999 ~~~to Darkness ~~~to Poetry of 2002