tengo que atender

I have to attend to

→ tener
phrase Rare #32,935
I have to attend to Depending on what follows, atender can mean to answer a call or to take care of someone or something.
SP: Tengo que atender a los clientes.
EN: I have to attend to the customers.

Pero yo tengo que atender una serie de intereses, Fabio.

But I have a number of interests to attend to, Fabio.

— Tropa de Élite 2 (2010)

Tengo que atender la llamada.

I have to take the call.

— El Club de la Pelea (1999)

Tengo que atender a mis invitados.

I have to look after my guests.

— Abre los ojos (1997)

Tengo que atender un asunto personal.

I have to attend to a personal matter.

Tengo que atender esta llamada.

I have to take this call.

Esta tarde tengo que atender unos asuntos de negocios.

This afternoon I have some business matters to attend to.

Tengo que atender.

I have to attend.

— El cuaderno de Tomy (2020)

Tengo que atender esto.

I have to take care of this.