English verb conjugation
COULD SIEGE

Regular verb: siege - sieged - sieged

Affirmation

Simple form	V-ing form
I could siege you could siege he could siege we could siege you could siege they could siege	I could be sieging you could be sieging he could be sieging we could be sieging you could be sieging they could be sieging
Perfect	V-ing perfect
I could have sieged you could have sieged he could have sieged we could have sieged you could have sieged they could have sieged	I could have been sieging you could have been sieging he could have been sieging we could have been sieging you could have been sieging they could have been sieging

Negation

Simple form	V-ing form
I could not siege you could not siege he could not siege we could not siege you could not siege they could not siege	I could not be sieging you could not be sieging he could not be sieging we could not be sieging you could not be sieging they could not be sieging
Perfect	V-ing perfect
I could not have sieged you could not have sieged he could not have sieged we could not have sieged you could not have sieged they could not have sieged	I could not have been sieging you could not have been sieging he could not have been sieging we could not have been sieging you could not have been sieging they could not have been sieging

Interrogative form

Simple form	V-ing form
could I siege? could you siege? could he siege? could we siege? could you siege? could they siege?	could I be sieging? could you be sieging? could he be sieging? could we be sieging? could you be sieging? could they be sieging?
Perfect	V-ing perfect
could I have sieged? could you have sieged? could he have sieged? could we have sieged? could you have sieged? could they have sieged?	could I have been sieging? could you have been sieging? could he have been sieging? could we have been sieging? could you have been sieging? could they have been sieging?

Interro-negative form

Simple form	V-ing form
could I not siege? could you not siege? could he not siege? could we not siege? could you not siege? could they not siege?	could I not be sieging? could you not be sieging? could he not be sieging? could we not be sieging? could you not be sieging? could they not be sieging?
Perfect	V-ing perfect
could I not have sieged? could you not have sieged? could he not have sieged? could we not have sieged? could you not have sieged? could they not have sieged?	could I not have been sieging? could you not have been sieging? could he not have been sieging? could we not have been sieging? could you not have been sieging? could they not have been sieging?