could pi
Verbo regolare: pi - pied- pied

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could pi
you could pi
he could pi
we could pi
you could pi
they could pi 	I could be piing
you could be piing
he could be piing
we could be piing
you could be piing
they could be piing	I could have pied
you could have pied
he could have pied
we could have pied
you could have pied
they could have pied	I could have been piing
you could have been piing
he could have been piing
we could have been piing
you could have been piing
they could have been piing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't pi
you couldn't pi
he couldn't pi
we couldn't pi
you couldn't pi
they couldn't pi 	I couldn't be piing
you couldn't be piing
he couldn't be piing
we couldn't be piing
you couldn't be piing
they couldn't be piing	I couldn't have pied
you couldn't have pied
he couldn't have pied
we couldn't have pied
you couldn't have pied
they couldn't have pied	I couldn't have been piing
you couldn't have been piing
he couldn't have been piing
we couldn't have been piing
you couldn't have been piing
they couldn't have been piing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I pi?
could you pi?
could he pi?
could we pi?
could you pi?
could they pi? 	could I be piing?
could you be piing?
could he be piing?
could we be piing?
could you be piing?
could they be piing? 	could I have pied?
could you have pied?
could he have pied?
could we have pied?
could you have pied?
could they have pied? 	could I have been piing?
could you have been piing?
could he have been piing?
could we have been piing?
could you have been piing?
could they have been piing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I pi?
couldn't you pi?
couldn't he pi?
couldn't we pi?
couldn't you pi?
couldn't they pi? 	couldn't I be piing?
couldn't you be piing?
couldn't he be piing?
couldn't we be piing?
couldn't you be piing?
couldn't they be piing? 	couldn't I have pied?
couldn't you have pied?
couldn't he have pied?
couldn't we have pied?
couldn't you have pied?
couldn't they have pied? 	couldn't I have been piing?
couldn't you have been piing?
couldn't he have been piing?
couldn't we have been piing?
couldn't you have been piing?
couldn't they have been piing?