could peen
Verbo regolare: peen - peened- peened

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could peen
you could peen
he could peen
we could peen
you could peen
they could peen 	I could be peening
you could be peening
he could be peening
we could be peening
you could be peening
they could be peening	I could have peened
you could have peened
he could have peened
we could have peened
you could have peened
they could have peened	I could have been peening
you could have been peening
he could have been peening
we could have been peening
you could have been peening
they could have been peening	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not peen
you could not peen
he could not peen
we could not peen
you could not peen
they could not peen 	I could not be peening
you could not be peening
he could not be peening
we could not be peening
you could not be peening
they could not be peening	I could not have peened
you could not have peened
he could not have peened
we could not have peened
you could not have peened
they could not have peened	I could not have been peening
you could not have been peening
he could not have been peening
we could not have been peening
you could not have been peening
they could not have been peening	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I peen?
could you peen?
could he peen?
could we peen?
could you peen?
could they peen? 	could I be peening?
could you be peening?
could he be peening?
could we be peening?
could you be peening?
could they be peening? 	could I have peened?
could you have peened?
could he have peened?
could we have peened?
could you have peened?
could they have peened? 	could I have been peening?
could you have been peening?
could he have been peening?
could we have been peening?
could you have been peening?
could they have been peening? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not peen?
could you not peen?
could he not peen?
could we not peen?
could you not peen?
could they not peen? 	could I not be peening?
could you not be peening?
could he not be peening?
could we not be peening?
could you not be peening?
could they not be peening? 	could I not have peened?
could you not have peened?
could he not have peened?
could we not have peened?
could you not have peened?
could they not have peened? 	could I not have been peening?
could you not have been peening?
could he not have been peening?
could we not have been peening?
could you not have been peening?
could they not have been peening?