Imperfecto para el sujetoellos/ellas/ustedesdel verbobocinar.

bocinar

En la calle se repartían golosinas a los que pasaban, disparaban tiros al aire y fuegos artificiales, y filas de coches bocinaban en la calle en demostración de alegría.
Pastries were handed out in the streets, shots were fired into the air and fireworks were set off, and convoys of vehicles honked to show their happiness.
Palabra del día
el acertijo