English verb conjugation
CAN BLUFF

Regular verb: bluff - bluffed - bluffed

Affirmation

Simple form	V-ing form
I can bluff you can bluff she can bluff we can bluff you can bluff they can bluff	I can be bluffing you can be bluffing she can be bluffing we can be bluffing you can be bluffing they can be bluffing
Perfect	V-ing perfect
I can have bluffed you can have bluffed she can have bluffed we can have bluffed you can have bluffed they can have bluffed	I can have been bluffing you can have been bluffing she can have been bluffing we can have been bluffing you can have been bluffing they can have been bluffing

Negation

Simple form	V-ing form
I cannot bluff you cannot bluff she cannot bluff we cannot bluff you cannot bluff they cannot bluff	I cannot be bluffing you cannot be bluffing she cannot be bluffing we cannot be bluffing you cannot be bluffing they cannot be bluffing
Perfect	V-ing perfect
I cannot have bluffed you cannot have bluffed she cannot have bluffed we cannot have bluffed you cannot have bluffed they cannot have bluffed	I cannot have been bluffing you cannot have been bluffing she cannot have been bluffing we cannot have been bluffing you cannot have been bluffing they cannot have been bluffing

Interrogative form

Simple form	V-ing form
can I bluff? can you bluff? can she bluff? can we bluff? can you bluff? can they bluff?	can I be bluffing? can you be bluffing? can she be bluffing? can we be bluffing? can you be bluffing? can they be bluffing?
Perfect	V-ing perfect
can I have bluffed? can you have bluffed? can she have bluffed? can we have bluffed? can you have bluffed? can they have bluffed?	can I have been bluffing? can you have been bluffing? can she have been bluffing? can we have been bluffing? can you have been bluffing? can they have been bluffing?

Interro-negative form

Simple form	V-ing form
can I not bluff? can you not bluff? can she not bluff? can we not bluff? can you not bluff? can they not bluff?	can I not be bluffing? can you not be bluffing? can she not be bluffing? can we not be bluffing? can you not be bluffing? can they not be bluffing?
Perfect	V-ing perfect
can I not have bluffed? can you not have bluffed? can she not have bluffed? can we not have bluffed? can you not have bluffed? can they not have bluffed?	can I not have been bluffing? can you not have been bluffing? can she not have been bluffing? can we not have been bluffing? can you not have been bluffing? can they not have been bluffing?