verbs taking ‘por/para/con’ with an infinitive:-

The following is a list of the more commonly used verbs taking ‘por/para/con’ with an infinitive:-

Acabar por	To finish by	Interesarse por	To be interested in
Comenzar por	To begin by	Servir para	To be used for
Empezar por	To begin by	Estar para	To be about to
Estar por	To still to be done	Soñar con	To dream of
Luchar por	To fight for	Amenazar con	To threaten with
Felicitar por	To congratulate on	Contar con	To count on