English verb conjugation
COULD FLUFF

Regular verb: fluff - fluffed - fluffed

Affirmation

Simple form	V-ing form
I could fluff you could fluff she could fluff we could fluff you could fluff they could fluff	I could be fluffing you could be fluffing she could be fluffing we could be fluffing you could be fluffing they could be fluffing
Perfect	V-ing perfect
I could have fluffed you could have fluffed she could have fluffed we could have fluffed you could have fluffed they could have fluffed	I could have been fluffing you could have been fluffing she could have been fluffing we could have been fluffing you could have been fluffing they could have been fluffing

Negation

Simple form	V-ing form
I could not fluff you could not fluff she could not fluff we could not fluff you could not fluff they could not fluff	I could not be fluffing you could not be fluffing she could not be fluffing we could not be fluffing you could not be fluffing they could not be fluffing
Perfect	V-ing perfect
I could not have fluffed you could not have fluffed she could not have fluffed we could not have fluffed you could not have fluffed they could not have fluffed	I could not have been fluffing you could not have been fluffing she could not have been fluffing we could not have been fluffing you could not have been fluffing they could not have been fluffing

Interrogative form

Simple form	V-ing form
could I fluff? could you fluff? could she fluff? could we fluff? could you fluff? could they fluff?	could I be fluffing? could you be fluffing? could she be fluffing? could we be fluffing? could you be fluffing? could they be fluffing?
Perfect	V-ing perfect
could I have fluffed? could you have fluffed? could she have fluffed? could we have fluffed? could you have fluffed? could they have fluffed?	could I have been fluffing? could you have been fluffing? could she have been fluffing? could we have been fluffing? could you have been fluffing? could they have been fluffing?

Interro-negative form

Simple form	V-ing form
could I not fluff? could you not fluff? could she not fluff? could we not fluff? could you not fluff? could they not fluff?	could I not be fluffing? could you not be fluffing? could she not be fluffing? could we not be fluffing? could you not be fluffing? could they not be fluffing?
Perfect	V-ing perfect
could I not have fluffed? could you not have fluffed? could she not have fluffed? could we not have fluffed? could you not have fluffed? could they not have fluffed?	could I not have been fluffing? could you not have been fluffing? could she not have been fluffing? could we not have been fluffing? could you not have been fluffing? could they not have been fluffing?