could vinify
Verbo regular: vinify - vinified- vinified

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could vinify
you could vinify
he could vinify
we could vinify
you could vinify
they could vinify 	I could be vinifying
you could be vinifying
he could be vinifying
we could be vinifying
you could be vinifying
they could be vinifying	I could have vinified
you could have vinified
he could have vinified
we could have vinified
you could have vinified
they could have vinified	I could have been vinifying
you could have been vinifying
he could have been vinifying
we could have been vinifying
you could have been vinifying
they could have been vinifying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't vinify
you couldn't vinify
he couldn't vinify
we couldn't vinify
you couldn't vinify
they couldn't vinify 	I couldn't be vinifying
you couldn't be vinifying
he couldn't be vinifying
we couldn't be vinifying
you couldn't be vinifying
they couldn't be vinifying	I couldn't have vinified
you couldn't have vinified
he couldn't have vinified
we couldn't have vinified
you couldn't have vinified
they couldn't have vinified	I couldn't have been vinifying
you couldn't have been vinifying
he couldn't have been vinifying
we couldn't have been vinifying
you couldn't have been vinifying
they couldn't have been vinifying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I vinify?
could you vinify?
could he vinify?
could we vinify?
could you vinify?
could they vinify? 	could I be vinifying?
could you be vinifying?
could he be vinifying?
could we be vinifying?
could you be vinifying?
could they be vinifying? 	could I have vinified?
could you have vinified?
could he have vinified?
could we have vinified?
could you have vinified?
could they have vinified? 	could I have been vinifying?
could you have been vinifying?
could he have been vinifying?
could we have been vinifying?
could you have been vinifying?
could they have been vinifying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I vinify?
couldn't you vinify?
couldn't he vinify?
couldn't we vinify?
couldn't you vinify?
couldn't they vinify? 	couldn't I be vinifying?
couldn't you be vinifying?
couldn't he be vinifying?
couldn't we be vinifying?
couldn't you be vinifying?
couldn't they be vinifying? 	couldn't I have vinified?
couldn't you have vinified?
couldn't he have vinified?
couldn't we have vinified?
couldn't you have vinified?
couldn't they have vinified? 	couldn't I have been vinifying?
couldn't you have been vinifying?
couldn't he have been vinifying?
couldn't we have been vinifying?
couldn't you have been vinifying?
couldn't they have been vinifying?