English verb conjugation
COULD PERK PERK

Regular verb: perk perk - perk perked - perk perked

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I could perk perk you could perk perk he could perk perk we could perk perk you could perk perk they could perk perk	I could be perk perking you could be perk perking he could be perk perking we could be perk perking you could be perk perking they could be perk perking
Perfect	V-ing perfect
I could have perk perked you could have perk perked he could have perk perked we could have perk perked you could have perk perked they could have perk perked	I could have been perk perking you could have been perk perking he could have been perk perking we could have been perk perking you could have been perk perking they could have been perk perking

Negation

Simple form	V-ing form
I could not perk perk you could not perk perk he could not perk perk we could not perk perk you could not perk perk they could not perk perk	I could not be perk perking you could not be perk perking he could not be perk perking we could not be perk perking you could not be perk perking they could not be perk perking
Perfect	V-ing perfect
I could not have perk perked you could not have perk perked he could not have perk perked we could not have perk perked you could not have perk perked they could not have perk perked	I could not have been perk perking you could not have been perk perking he could not have been perk perking we could not have been perk perking you could not have been perk perking they could not have been perk perking

Interrogative form

Simple form	V-ing form
could I perk perk? could you perk perk? could he perk perk? could we perk perk? could you perk perk? could they perk perk?	could I be perk perking? could you be perk perking? could he be perk perking? could we be perk perking? could you be perk perking? could they be perk perking?
Perfect	V-ing perfect
could I have perk perked? could you have perk perked? could he have perk perked? could we have perk perked? could you have perk perked? could they have perk perked?	could I have been perk perking? could you have been perk perking? could he have been perk perking? could we have been perk perking? could you have been perk perking? could they have been perk perking?

Interro-negative form

Simple form	V-ing form
could I not perk perk? could you not perk perk? could he not perk perk? could we not perk perk? could you not perk perk? could they not perk perk?	could I not be perk perking? could you not be perk perking? could he not be perk perking? could we not be perk perking? could you not be perk perking? could they not be perk perking?
Perfect	V-ing perfect
could I not have perk perked? could you not have perk perked? could he not have perk perked? could we not have perk perked? could you not have perk perked? could they not have perk perked?	could I not have been perk perking? could you not have been perk perking? could he not have been perk perking? could we not have been perk perking? could you not have been perk perking? could they not have been perk perking?