han empezado a

have started to

→ haber
phrase Rare #30,600
have started to Used with another verb to say that an action or change has begun.
SP: Han empezado a llover hace unos minutos.
EN: It started raining a few minutes ago.

Ya han empezado a caer las primeras manzanas.

The first apples have already started to fall.

A Tom le han empezado a salir algunas arrugas en su frente.

Tom has started to get some wrinkles on his forehead.

Se habrán fijado que han empezado a su aire, a su propio ritmo.

You may have noticed that they started in their own way, at their own pace.

— El club de los poetas muertos (1989)

Los expertos políticos han empezado a opinar sobre el discurso del presidente.

Political experts have started weighing in on the president’s speech.

Las hojas han empezado a cambiar de color.

The leaves have started to change color.

De repente han empezado a gritar, dos de ellos se han levantado y casi se pegan.

Suddenly they started shouting, two of them stood up and almost hit each other.

En la superficie se han empezado a formar islas.

Islands have begun to form on the surface.

— Solaris (1972)

Por miedo al SIDA han empezado a violar a sus compañeras.

Out of fear of AIDS, they have started raping their female classmates.

— Hable con ella (2002)