I could renounce you could renounce he could renounce we could renounce you could renounce they could renounce
V-ing form
I could be renouncing you could be renouncing he could be renouncing we could be renouncing you could be renouncing they could be renouncing
Perfect
I could have renounced you could have renounced he could have renounced we could have renounced you could have renounced they could have renounced
V-ing perfect
I could have been renouncing you could have been renouncing he could have been renouncing we could have been renouncing you could have been renouncing they could have been renouncing
Negation
Simple form
I could not renounce you could not renounce he could not renounce we could not renounce you could not renounce they could not renounce
V-ing form
I could not be renouncing you could not be renouncing he could not be renouncing we could not be renouncing you could not be renouncing they could not be renouncing
Perfect
I could not have renounced you could not have renounced he could not have renounced we could not have renounced you could not have renounced they could not have renounced
V-ing perfect
I could not have been renouncing you could not have been renouncing he could not have been renouncing we could not have been renouncing you could not have been renouncing they could not have been renouncing
Interrogative form
Simple form
could I renounce? could you renounce? could he renounce? could we renounce? could you renounce? could they renounce?
V-ing form
could I be renouncing? could you be renouncing? could he be renouncing? could we be renouncing? could you be renouncing? could they be renouncing?
Perfect
could I have renounced? could you have renounced? could he have renounced? could we have renounced? could you have renounced? could they have renounced?
V-ing perfect
could I have been renouncing? could you have been renouncing? could he have been renouncing? could we have been renouncing? could you have been renouncing? could they have been renouncing?
Interro-negative form
Simple form
could I not renounce? could you not renounce? could he not renounce? could we not renounce? could you not renounce? could they not renounce?
V-ing form
could I not be renouncing? could you not be renouncing? could he not be renouncing? could we not be renouncing? could you not be renouncing? could they not be renouncing?
Perfect
could I not have renounced? could you not have renounced? could he not have renounced? could we not have renounced? could you not have renounced? could they not have renounced?
V-ing perfect
could I not have been renouncing? could you not have been renouncing? could he not have been renouncing? could we not have been renouncing? could you not have been renouncing? could they not have been renouncing?