English verb conjugation
COULD ENDAMAGE

Regular verb: endamage - endamaged - endamaged

Affirmation

Simple form	V-ing form
I could endamage you could endamage he could endamage we could endamage you could endamage they could endamage	I could be endamaging you could be endamaging he could be endamaging we could be endamaging you could be endamaging they could be endamaging
Perfect	V-ing perfect
I could have endamaged you could have endamaged he could have endamaged we could have endamaged you could have endamaged they could have endamaged	I could have been endamaging you could have been endamaging he could have been endamaging we could have been endamaging you could have been endamaging they could have been endamaging

Negation

Simple form	V-ing form
I could not endamage you could not endamage he could not endamage we could not endamage you could not endamage they could not endamage	I could not be endamaging you could not be endamaging he could not be endamaging we could not be endamaging you could not be endamaging they could not be endamaging
Perfect	V-ing perfect
I could not have endamaged you could not have endamaged he could not have endamaged we could not have endamaged you could not have endamaged they could not have endamaged	I could not have been endamaging you could not have been endamaging he could not have been endamaging we could not have been endamaging you could not have been endamaging they could not have been endamaging

Interrogative form

Simple form	V-ing form
could I endamage? could you endamage? could he endamage? could we endamage? could you endamage? could they endamage?	could I be endamaging? could you be endamaging? could he be endamaging? could we be endamaging? could you be endamaging? could they be endamaging?
Perfect	V-ing perfect
could I have endamaged? could you have endamaged? could he have endamaged? could we have endamaged? could you have endamaged? could they have endamaged?	could I have been endamaging? could you have been endamaging? could he have been endamaging? could we have been endamaging? could you have been endamaging? could they have been endamaging?

Interro-negative form

Simple form	V-ing form
could I not endamage? could you not endamage? could he not endamage? could we not endamage? could you not endamage? could they not endamage?	could I not be endamaging? could you not be endamaging? could he not be endamaging? could we not be endamaging? could you not be endamaging? could they not be endamaging?
Perfect	V-ing perfect
could I not have endamaged? could you not have endamaged? could he not have endamaged? could we not have endamaged? could you not have endamaged? could they not have endamaged?	could I not have been endamaging? could you not have been endamaging? could he not have been endamaging? could we not have been endamaging? could you not have been endamaging? could they not have been endamaging?