could civilize
Verbo regular: civilize - civilized- civilized

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could civilize
you could civilize
he could civilize
we could civilize
you could civilize
they could civilize 	I could be civilizing
you could be civilizing
he could be civilizing
we could be civilizing
you could be civilizing
they could be civilizing	I could have civilized
you could have civilized
he could have civilized
we could have civilized
you could have civilized
they could have civilized	I could have been civilizing
you could have been civilizing
he could have been civilizing
we could have been civilizing
you could have been civilizing
they could have been civilizing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't civilize
you couldn't civilize
he couldn't civilize
we couldn't civilize
you couldn't civilize
they couldn't civilize 	I couldn't be civilizing
you couldn't be civilizing
he couldn't be civilizing
we couldn't be civilizing
you couldn't be civilizing
they couldn't be civilizing	I couldn't have civilized
you couldn't have civilized
he couldn't have civilized
we couldn't have civilized
you couldn't have civilized
they couldn't have civilized	I couldn't have been civilizing
you couldn't have been civilizing
he couldn't have been civilizing
we couldn't have been civilizing
you couldn't have been civilizing
they couldn't have been civilizing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I civilize?
could you civilize?
could he civilize?
could we civilize?
could you civilize?
could they civilize? 	could I be civilizing?
could you be civilizing?
could he be civilizing?
could we be civilizing?
could you be civilizing?
could they be civilizing? 	could I have civilized?
could you have civilized?
could he have civilized?
could we have civilized?
could you have civilized?
could they have civilized? 	could I have been civilizing?
could you have been civilizing?
could he have been civilizing?
could we have been civilizing?
could you have been civilizing?
could they have been civilizing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I civilize?
couldn't you civilize?
couldn't he civilize?
couldn't we civilize?
couldn't you civilize?
couldn't they civilize? 	couldn't I be civilizing?
couldn't you be civilizing?
couldn't he be civilizing?
couldn't we be civilizing?
couldn't you be civilizing?
couldn't they be civilizing? 	couldn't I have civilized?
couldn't you have civilized?
couldn't he have civilized?
couldn't we have civilized?
couldn't you have civilized?
couldn't they have civilized? 	couldn't I have been civilizing?
couldn't you have been civilizing?
couldn't he have been civilizing?
couldn't we have been civilizing?
couldn't you have been civilizing?
couldn't they have been civilizing?