* Expanding the development section: Beethoven often extended the development section of his sonatas, allowing for more thematic development and exploration.
* Increasing the use of counterpoint: Beethoven made greater use of counterpoint in his sonatas, creating a more complex and interwoven texture.
* Introducing new themes in the recapitulation: Beethoven sometimes introduced new themes or material in the recapitulation, rather than simply restating the material from the exposition.
* Altering the key relationships: Beethoven experimented with different key relationships between the exposition, development, and recapitulation, creating a more varied and dynamic structure.
* Using multiple movements: Beethoven's sonatas often consisted of multiple movements, each with its own distinct character and form.
These changes contributed to Beethoven's unique and personal style of sonata form, which had a profound influence on the development of the genre.