Coniugazione del verbo inglese
COULD PERK

Verbo regolare: perk - perked - perked

Affermazione

Forma semplice	Forma con V-ing
I could perk you could perk he could perk we could perk you could perk they could perk	I could be perking you could be perking he could be perking we could be perking you could be perking they could be perking
Perfetto	Perfetto con V-ing
I could have perked you could have perked he could have perked we could have perked you could have perked they could have perked	I could have been perking you could have been perking he could have been perking we could have been perking you could have been perking they could have been perking

Negazione

Forma semplice	Forma con V-ing
I could not perk you could not perk he could not perk we could not perk you could not perk they could not perk	I could not be perking you could not be perking he could not be perking we could not be perking you could not be perking they could not be perking
Perfetto	Perfetto con V-ing
I could not have perked you could not have perked he could not have perked we could not have perked you could not have perked they could not have perked	I could not have been perking you could not have been perking he could not have been perking we could not have been perking you could not have been perking they could not have been perking

Forma interrogativa

Forma semplice	Forma con V-ing
could I perk? could you perk? could he perk? could we perk? could you perk? could they perk?	could I be perking? could you be perking? could he be perking? could we be perking? could you be perking? could they be perking?
Perfetto	Perfetto con V-ing
could I have perked? could you have perked? could he have perked? could we have perked? could you have perked? could they have perked?	could I have been perking? could you have been perking? could he have been perking? could we have been perking? could you have been perking? could they have been perking?

Forma interro-negativa

Forma semplice	Forma con V-ing
could I not perk? could you not perk? could he not perk? could we not perk? could you not perk? could they not perk?	could I not be perking? could you not be perking? could he not be perking? could we not be perking? could you not be perking? could they not be perking?
Perfetto	Perfetto con V-ing
could I not have perked? could you not have perked? could he not have perked? could we not have perked? could you not have perked? could they not have perked?	could I not have been perking? could you not have been perking? could he not have been perking? could we not have been perking? could you not have been perking? could they not have been perking?