could destroy
Verbo regular: destroy - destroyed- destroyed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could destroy
you could destroy
he could destroy
we could destroy
you could destroy
they could destroy 	I could be destroying
you could be destroying
he could be destroying
we could be destroying
you could be destroying
they could be destroying	I could have destroyed
you could have destroyed
he could have destroyed
we could have destroyed
you could have destroyed
they could have destroyed	I could have been destroying
you could have been destroying
he could have been destroying
we could have been destroying
you could have been destroying
they could have been destroying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't destroy
you couldn't destroy
he couldn't destroy
we couldn't destroy
you couldn't destroy
they couldn't destroy 	I couldn't be destroying
you couldn't be destroying
he couldn't be destroying
we couldn't be destroying
you couldn't be destroying
they couldn't be destroying	I couldn't have destroyed
you couldn't have destroyed
he couldn't have destroyed
we couldn't have destroyed
you couldn't have destroyed
they couldn't have destroyed	I couldn't have been destroying
you couldn't have been destroying
he couldn't have been destroying
we couldn't have been destroying
you couldn't have been destroying
they couldn't have been destroying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I destroy?
could you destroy?
could he destroy?
could we destroy?
could you destroy?
could they destroy? 	could I be destroying?
could you be destroying?
could he be destroying?
could we be destroying?
could you be destroying?
could they be destroying? 	could I have destroyed?
could you have destroyed?
could he have destroyed?
could we have destroyed?
could you have destroyed?
could they have destroyed? 	could I have been destroying?
could you have been destroying?
could he have been destroying?
could we have been destroying?
could you have been destroying?
could they have been destroying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I destroy?
couldn't you destroy?
couldn't he destroy?
couldn't we destroy?
couldn't you destroy?
couldn't they destroy? 	couldn't I be destroying?
couldn't you be destroying?
couldn't he be destroying?
couldn't we be destroying?
couldn't you be destroying?
couldn't they be destroying? 	couldn't I have destroyed?
couldn't you have destroyed?
couldn't he have destroyed?
couldn't we have destroyed?
couldn't you have destroyed?
couldn't they have destroyed? 	couldn't I have been destroying?
couldn't you have been destroying?
couldn't he have been destroying?
couldn't we have been destroying?
couldn't you have been destroying?
couldn't they have been destroying?