The Local Way to Say It
When you're trying to communicate with locals in Madrid,The 'Grammar Math'
The "Grammar Math" for ongoing actions in Spanish is quite straightforward:Estar (to be, for temporary states) + Gerund (the "-ing" form of the verb).
For verbs ending in -AR, the gerund is -ANDO.
Hablar (to speak) becomes hablando.
For verbs ending in -ER or -IR, the gerund is -IENDO.
Comer (to eat) becomes comiendo.
Vivir (to live) becomes viviendo.
So, "I am learning" is Estoy (from estar) + aprendiendo (the gerund of aprender, to learn).
The formula:
Sujeto + ESTAR (conjugado) + Verbo en gerundio (-ANDO/-IENDO)
For example:
Yo estoy aprendiendo español.
Tú estás comiendo churros.
Ella está viviendo en Malasaña.
This structure emphasizes an action currently in progress, a key concept for expressing what you're doing right now!