can piffle
Verbo regular: piffle - piffled- piffled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can piffle
you can piffle
he can piffle
we can piffle
you can piffle
they can piffle 	I can be piffling
you can be piffling
he can be piffling
we can be piffling
you can be piffling
they can be piffling	I can have piffled
you can have piffled
he can have piffled
we can have piffled
you can have piffled
they can have piffled	I can have been piffling
you can have been piffling
he can have been piffling
we can have been piffling
you can have been piffling
they can have been piffling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't piffle
you can't piffle
he can't piffle
we can't piffle
you can't piffle
they can't piffle 	I can't be piffling
you can't be piffling
he can't be piffling
we can't be piffling
you can't be piffling
they can't be piffling	I can't have piffled
you can't have piffled
he can't have piffled
we can't have piffled
you can't have piffled
they can't have piffled	I can't have been piffling
you can't have been piffling
he can't have been piffling
we can't have been piffling
you can't have been piffling
they can't have been piffling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I piffle?
can you piffle?
can he piffle?
can we piffle?
can you piffle?
can they piffle? 	can I be piffling?
can you be piffling?
can he be piffling?
can we be piffling?
can you be piffling?
can they be piffling? 	can I have piffled?
can you have piffled?
can he have piffled?
can we have piffled?
can you have piffled?
can they have piffled? 	can I have been piffling?
can you have been piffling?
can he have been piffling?
can we have been piffling?
can you have been piffling?
can they have been piffling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I piffle?
can't you piffle?
can't he piffle?
can't we piffle?
can't you piffle?
can't they piffle? 	can't I be piffling?
can't you be piffling?
can't he be piffling?
can't we be piffling?
can't you be piffling?
can't they be piffling? 	can't I have piffled?
can't you have piffled?
can't he have piffled?
can't we have piffled?
can't you have piffled?
can't they have piffled? 	can't I have been piffling?
can't you have been piffling?
can't he have been piffling?
can't we have been piffling?
can't you have been piffling?
can't they have been piffling?