had been expounding
-había estado exponiendo
Past perfect progressiveconjugation ofexpound.There are other translations for this conjugation.

expound

He, on his part seemed hardly to be aware of her presence, so engrossed was he in the strange ideas and the stranger project he had been expounding.
Él, por su parte, apenas parecía darse cuenta de su presencia, tan concentrado estaba en sus extrañas ideas y en el extraño proyecto en que se había embarcado.
Other Dictionaries
Explore the meaning of expound in our family of products.
Word of the Day
teapot