Usages of agradecer
El cliente siempre deja una propina generosa para agradecer el buen servicio.
The customer always leaves a generous tip to thank for the good service.
Yo agradezco a mi amigo.
I thank my friend.
Quiero agradecer a mis padres por su apoyo; sin ellos, no habría estudiado tanto.
I want to thank my parents for their support; without them, I would not have studied so much.
El jefe me pidió agradecer personalmente a todos los clientes que nos visitan hoy.
The boss asked me to personally thank all the customers who visit us today.
Elon.io is an online learning platform
We have an entire course teaching Spanish grammar and vocabulary.