could blemish
Verbo regular: blemish - blemished- blemished

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could blemish
you could blemish
he could blemish
we could blemish
you could blemish
they could blemish 	I could be blemishing
you could be blemishing
he could be blemishing
we could be blemishing
you could be blemishing
they could be blemishing	I could have blemished
you could have blemished
he could have blemished
we could have blemished
you could have blemished
they could have blemished	I could have been blemishing
you could have been blemishing
he could have been blemishing
we could have been blemishing
you could have been blemishing
they could have been blemishing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not blemish
you could not blemish
he could not blemish
we could not blemish
you could not blemish
they could not blemish 	I could not be blemishing
you could not be blemishing
he could not be blemishing
we could not be blemishing
you could not be blemishing
they could not be blemishing	I could not have blemished
you could not have blemished
he could not have blemished
we could not have blemished
you could not have blemished
they could not have blemished	I could not have been blemishing
you could not have been blemishing
he could not have been blemishing
we could not have been blemishing
you could not have been blemishing
they could not have been blemishing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I blemish?
could you blemish?
could he blemish?
could we blemish?
could you blemish?
could they blemish? 	could I be blemishing?
could you be blemishing?
could he be blemishing?
could we be blemishing?
could you be blemishing?
could they be blemishing? 	could I have blemished?
could you have blemished?
could he have blemished?
could we have blemished?
could you have blemished?
could they have blemished? 	could I have been blemishing?
could you have been blemishing?
could he have been blemishing?
could we have been blemishing?
could you have been blemishing?
could they have been blemishing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not blemish?
could you not blemish?
could he not blemish?
could we not blemish?
could you not blemish?
could they not blemish? 	could I not be blemishing?
could you not be blemishing?
could he not be blemishing?
could we not be blemishing?
could you not be blemishing?
could they not be blemishing? 	could I not have blemished?
could you not have blemished?
could he not have blemished?
could we not have blemished?
could you not have blemished?
could they not have blemished? 	could I not have been blemishing?
could you not have been blemishing?
could he not have been blemishing?
could we not have been blemishing?
could you not have been blemishing?
could they not have been blemishing?