to learn Esperanto
Have you started learning Esperanto?
Ты думаешь, учить эсперанто-пустая трата времени?
Do you think learning Esperanto is a waste of time?
He started learning Esperanto.
We are starting to learn Esperanto.
You started learning Esperanto.
Вы думаете, учить эсперанто-пустая трата времени?
Do you think learning Esperanto is a waste of time?
Я только начал учить эсперанто.
I just started learning Esperanto.