English verb conjugation
COULD DESTROY

Regular verb: destroy - destroyed - destroyed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
I could not destroy you could not destroy he could not destroy we could not destroy you could not destroy they could not destroy	I could not be destroying you could not be destroying he could not be destroying we could not be destroying you could not be destroying they could not be destroying
Perfect	V-ing perfect
I could not have destroyed you could not have destroyed he could not have destroyed we could not have destroyed you could not have destroyed they could not have destroyed	I could not have been destroying you could not have been destroying he could not have been destroying we could not have been destroying you could not have been destroying they could not have been destroying

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
could I not destroy? could you not destroy? could he not destroy? could we not destroy? could you not destroy? could they not destroy?	could I not be destroying? could you not be destroying? could he not be destroying? could we not be destroying? could you not be destroying? could they not be destroying?
Perfect	V-ing perfect
could I not have destroyed? could you not have destroyed? could he not have destroyed? could we not have destroyed? could you not have destroyed? could they not have destroyed?	could I not have been destroying? could you not have been destroying? could he not have been destroying? could we not have been destroying? could you not have been destroying? could they not have been destroying?