Él llama a la puerta antes de entrar.

Sentence Discussions Spanish
#1
English Translation

He knocks on the door before entering.

I have much more often seen ‘tocar’ used for knocking on a door

#2
English Translation

He knocks on the door before entering.

For what is worth, Google Ngrams says otherwise: Google Ngram Viewer: llama a la puerta,toca a la puerta