English verb conjugation
CAN FLUFF

Regular verb: fluff - fluffed - fluffed

Affirmation

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

Negation

Simple form	V-ing form
I can't fluff you can't fluff he can't fluff we can't fluff you can't fluff they can't fluff	I can't be fluffing you can't be fluffing he can't be fluffing we can't be fluffing you can't be fluffing they can't be fluffing
Perfect	V-ing perfect
I can't have fluffed you can't have fluffed he can't have fluffed we can't have fluffed you can't have fluffed they can't have fluffed	I can't have been fluffing you can't have been fluffing he can't have been fluffing we can't have been fluffing you can't have been fluffing they can't have been fluffing

Interrogative form

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

Interro-negative form

Simple form	V-ing form
can't I fluff? can't you fluff? can't he fluff? can't we fluff? can't you fluff? can't they fluff?	can't I be fluffing? can't you be fluffing? can't he be fluffing? can't we be fluffing? can't you be fluffing? can't they be fluffing?
Perfect	V-ing perfect
can't I have fluffed? can't you have fluffed? can't he have fluffed? can't we have fluffed? can't you have fluffed? can't they have fluffed?	can't I have been fluffing? can't you have been fluffing? can't he have been fluffing? can't we have been fluffing? can't you have been fluffing? can't they have been fluffing?