can puff
Verbo regolare: puff - puffed- puffed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can puff
you can puff
she can puff
we can puff
you can puff
they can puff 	I can be puffing
you can be puffing
she can be puffing
we can be puffing
you can be puffing
they can be puffing	I can have puffed
you can have puffed
she can have puffed
we can have puffed
you can have puffed
they can have puffed	I can have been puffing
you can have been puffing
she can have been puffing
we can have been puffing
you can have been puffing
they can have been puffing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I cannot puff
you cannot puff
she cannot puff
we cannot puff
you cannot puff
they cannot puff 	I cannot be puffing
you cannot be puffing
she cannot be puffing
we cannot be puffing
you cannot be puffing
they cannot be puffing	I cannot have puffed
you cannot have puffed
she cannot have puffed
we cannot have puffed
you cannot have puffed
they cannot have puffed	I cannot have been puffing
you cannot have been puffing
she cannot have been puffing
we cannot have been puffing
you cannot have been puffing
they cannot have been puffing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I puff?
can you puff?
can she puff?
can we puff?
can you puff?
can they puff? 	can I be puffing?
can you be puffing?
can she be puffing?
can we be puffing?
can you be puffing?
can they be puffing? 	can I have puffed?
can you have puffed?
can she have puffed?
can we have puffed?
can you have puffed?
can they have puffed? 	can I have been puffing?
can you have been puffing?
can she have been puffing?
can we have been puffing?
can you have been puffing?
can they have been puffing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I not puff?
can you not puff?
can she not puff?
can we not puff?
can you not puff?
can they not puff? 	can I not be puffing?
can you not be puffing?
can she not be puffing?
can we not be puffing?
can you not be puffing?
can they not be puffing? 	can I not have puffed?
can you not have puffed?
can she not have puffed?
can we not have puffed?
can you not have puffed?
can they not have puffed? 	can I not have been puffing?
can you not have been puffing?
can she not have been puffing?
can we not have been puffing?
can you not have been puffing?
can they not have been puffing?