of
US /əv/
UK /əv/

1.
de
expressing the relationship between a part and a whole
:
•
A piece of cake.
Un trozo de pastel.
•
The top of the mountain.
La cima de la montaña.
2.
de, a
expressing the relationship between a verb and its object
:
•
He is afraid of heights.
Tiene miedo a las alturas.
•
She approved of the plan.
Ella aprobó el plan.
3.
de
indicating origin or source
:
•
He is a man of great courage.
Es un hombre de gran valor.
•
The city of London.
La ciudad de Londres.