Verified Answer :

The three different periods of
Beethoven's work are as follows:


-a
formative period that extends to 1802- this was the period where he
first started and grew to develop his music

-a middle
period from 1803 to 1814- this was the period where he wrote the famous
piece Moonlight Sonata and Piano Sonata in E. Minor, Op 90
-a mature
period from 1814 to 1827- this was the period where he proceeded to
write more of his mature works until he died in 1827

The three different periods of Beethoven's work are as follows:

A formative period that extends to 1802- this was the period where he first started and grew to develop his music . A middle period from 1803 to 1814- this was the period where he wrote the famous piece Moonlight Sonata and Piano Sonata in E. Minor, Op 90

A mature period from 1814 to 1827- this was the period where he proceeded to write more of his mature works until he died in 1827.

Explanation:

1779 to1802 - formed first two symphonies.

1803 to 1814 - put collectively language and musical techniques.

1815 to1827 - passionate about being emotional and individual