of

US /əv/
UK /əv/
"of" picture
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.