could polish
Verbo regolare: polish - polished- polished

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could polish
you could polish
he could polish
we could polish
you could polish
they could polish 	I could be polishing
you could be polishing
he could be polishing
we could be polishing
you could be polishing
they could be polishing	I could have polished
you could have polished
he could have polished
we could have polished
you could have polished
they could have polished	I could have been polishing
you could have been polishing
he could have been polishing
we could have been polishing
you could have been polishing
they could have been polishing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not polish
you could not polish
he could not polish
we could not polish
you could not polish
they could not polish 	I could not be polishing
you could not be polishing
he could not be polishing
we could not be polishing
you could not be polishing
they could not be polishing	I could not have polished
you could not have polished
he could not have polished
we could not have polished
you could not have polished
they could not have polished	I could not have been polishing
you could not have been polishing
he could not have been polishing
we could not have been polishing
you could not have been polishing
they could not have been polishing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I polish?
could you polish?
could he polish?
could we polish?
could you polish?
could they polish? 	could I be polishing?
could you be polishing?
could he be polishing?
could we be polishing?
could you be polishing?
could they be polishing? 	could I have polished?
could you have polished?
could he have polished?
could we have polished?
could you have polished?
could they have polished? 	could I have been polishing?
could you have been polishing?
could he have been polishing?
could we have been polishing?
could you have been polishing?
could they have been polishing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not polish?
could you not polish?
could he not polish?
could we not polish?
could you not polish?
could they not polish? 	could I not be polishing?
could you not be polishing?
could he not be polishing?
could we not be polishing?
could you not be polishing?
could they not be polishing? 	could I not have polished?
could you not have polished?
could he not have polished?
could we not have polished?
could you not have polished?
could they not have polished? 	could I not have been polishing?
could you not have been polishing?
could he not have been polishing?
could we not have been polishing?
could you not have been polishing?
could they not have been polishing?