From Young Composers
Concerto form is the basic musical form that is used in a musical Concerto.
Basic Types of Concertos
Italian - Fast, Slow, Fast
French - Slow, Fast
Baroque - Slow, Fast, Slow, Fast. Also in the Baroque Concerto form, there may be a set of two or three dances, such as a Sarabande, Gigue, Menuet, etc...
Classical Concerto Form
The Classical concerto was most commonly seen in this form:
First Movement - [Sonata-Allegro Form]
Second Movement - [Ternary Form]
Third Movement - [Rondo Form]