can fluff
Regular verb: fluff - fluffed- fluffed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?