I'm not sure what you mean... The form of the sonata is sonata form. Or if you want to get fancy, it's First Movement Sonata-Allegro Form.

Sonata form is a musical structure used in the 18th century. The three movements of sonata form are exposition, development, and recapitulation.

The plural form of "sonata" is "sonatas."

Sonata-allegro form is a form with three main divisions: exposition, development and recapitulation (a coda is frequently added). It is not same as binary or ternary forms. The sonata form is a form itself.

in sonata form the contrasting key is established by statement of