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 cannot fluff you cannot fluff he cannot fluff we cannot fluff you cannot fluff they cannot fluff	I cannot be fluffing you cannot be fluffing he cannot be fluffing we cannot be fluffing you cannot be fluffing they cannot be fluffing
Perfect	V-ing perfect
I cannot have fluffed you cannot have fluffed he cannot have fluffed we cannot have fluffed you cannot have fluffed they cannot have fluffed	I cannot have been fluffing you cannot have been fluffing he cannot have been fluffing we cannot have been fluffing you cannot have been fluffing they cannot 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 I not fluff? can you not fluff? can he not fluff? can we not fluff? can you not fluff? can they not fluff?	can I not be fluffing? can you not be fluffing? can he not be fluffing? can we not be fluffing? can you not be fluffing? can they not be fluffing?
Perfect	V-ing perfect
can I not have fluffed? can you not have fluffed? can he not have fluffed? can we not have fluffed? can you not have fluffed? can they not have fluffed?	can I not have been fluffing? can you not have been fluffing? can he not have been fluffing? can we not have been fluffing? can you not have been fluffing? can they not have been fluffing?