could destabilize
Verbo regular: destabilize - destabilized- destabilized

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could destabilize
you could destabilize
he could destabilize
we could destabilize
you could destabilize
they could destabilize 	I could be destabilizing
you could be destabilizing
he could be destabilizing
we could be destabilizing
you could be destabilizing
they could be destabilizing	I could have destabilized
you could have destabilized
he could have destabilized
we could have destabilized
you could have destabilized
they could have destabilized	I could have been destabilizing
you could have been destabilizing
he could have been destabilizing
we could have been destabilizing
you could have been destabilizing
they could have been destabilizing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't destabilize
you couldn't destabilize
he couldn't destabilize
we couldn't destabilize
you couldn't destabilize
they couldn't destabilize 	I couldn't be destabilizing
you couldn't be destabilizing
he couldn't be destabilizing
we couldn't be destabilizing
you couldn't be destabilizing
they couldn't be destabilizing	I couldn't have destabilized
you couldn't have destabilized
he couldn't have destabilized
we couldn't have destabilized
you couldn't have destabilized
they couldn't have destabilized	I couldn't have been destabilizing
you couldn't have been destabilizing
he couldn't have been destabilizing
we couldn't have been destabilizing
you couldn't have been destabilizing
they couldn't have been destabilizing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I destabilize?
could you destabilize?
could he destabilize?
could we destabilize?
could you destabilize?
could they destabilize? 	could I be destabilizing?
could you be destabilizing?
could he be destabilizing?
could we be destabilizing?
could you be destabilizing?
could they be destabilizing? 	could I have destabilized?
could you have destabilized?
could he have destabilized?
could we have destabilized?
could you have destabilized?
could they have destabilized? 	could I have been destabilizing?
could you have been destabilizing?
could he have been destabilizing?
could we have been destabilizing?
could you have been destabilizing?
could they have been destabilizing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I destabilize?
couldn't you destabilize?
couldn't he destabilize?
couldn't we destabilize?
couldn't you destabilize?
couldn't they destabilize? 	couldn't I be destabilizing?
couldn't you be destabilizing?
couldn't he be destabilizing?
couldn't we be destabilizing?
couldn't you be destabilizing?
couldn't they be destabilizing? 	couldn't I have destabilized?
couldn't you have destabilized?
couldn't he have destabilized?
couldn't we have destabilized?
couldn't you have destabilized?
couldn't they have destabilized? 	couldn't I have been destabilizing?
couldn't you have been destabilizing?
couldn't he have been destabilizing?
couldn't we have been destabilizing?
couldn't you have been destabilizing?
couldn't they have been destabilizing?