could polish
Verbo regular: polish - polished- polished

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could polish
you could polish
she could polish
we could polish
you could polish
they could polish 	I could be polishing
you could be polishing
she could be polishing
we could be polishing
you could be polishing
they could be polishing	I could have polished
you could have polished
she 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
she could have been polishing
we could have been polishing
you could have been polishing
they could have been polishing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not polish
you could not polish
she 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
she 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
she 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
she 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 simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I polish?
could you polish?
could she polish?
could we polish?
could you polish?
could they polish? 	could I be polishing?
could you be polishing?
could she be polishing?
could we be polishing?
could you be polishing?
could they be polishing? 	could I have polished?
could you have polished?
could she 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 she have been polishing?
could we have been polishing?
could you have been polishing?
could they have been polishing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not polish?
could you not polish?
could she 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 she 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 she 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 she not have been polishing?
could we not have been polishing?
could you not have been polishing?
could they not have been polishing?