could coin
Verbo regular: coin - coined- coined

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could coin
you could coin
she could coin
we could coin
you could coin
they could coin 	I could be coining
you could be coining
she could be coining
we could be coining
you could be coining
they could be coining	I could have coined
you could have coined
she could have coined
we could have coined
you could have coined
they could have coined	I could have been coining
you could have been coining
she could have been coining
we could have been coining
you could have been coining
they could have been coining	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not coin
you could not coin
she could not coin
we could not coin
you could not coin
they could not coin 	I could not be coining
you could not be coining
she could not be coining
we could not be coining
you could not be coining
they could not be coining	I could not have coined
you could not have coined
she could not have coined
we could not have coined
you could not have coined
they could not have coined	I could not have been coining
you could not have been coining
she could not have been coining
we could not have been coining
you could not have been coining
they could not have been coining	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I coin?
could you coin?
could she coin?
could we coin?
could you coin?
could they coin? 	could I be coining?
could you be coining?
could she be coining?
could we be coining?
could you be coining?
could they be coining? 	could I have coined?
could you have coined?
could she have coined?
could we have coined?
could you have coined?
could they have coined? 	could I have been coining?
could you have been coining?
could she have been coining?
could we have been coining?
could you have been coining?
could they have been coining? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not coin?
could you not coin?
could she not coin?
could we not coin?
could you not coin?
could they not coin? 	could I not be coining?
could you not be coining?
could she not be coining?
could we not be coining?
could you not be coining?
could they not be coining? 	could I not have coined?
could you not have coined?
could she not have coined?
could we not have coined?
could you not have coined?
could they not have coined? 	could I not have been coining?
could you not have been coining?
could she not have been coining?
could we not have been coining?
could you not have been coining?
could they not have been coining?