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 couldn't siege you couldn't siege he couldn't siege we couldn't siege you couldn't siege they couldn't siege	I couldn't be sieging you couldn't be sieging he couldn't be sieging we couldn't be sieging you couldn't be sieging they couldn't be sieging
Perfect	V-ing perfect
I couldn't have sieged you couldn't have sieged he couldn't have sieged we couldn't have sieged you couldn't have sieged they couldn't have sieged	I couldn't have been sieging you couldn't have been sieging he couldn't have been sieging we couldn't have been sieging you couldn't have been sieging they couldn't 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
couldn't I siege? couldn't you siege? couldn't he siege? couldn't we siege? couldn't you siege? couldn't they siege?	couldn't I be sieging? couldn't you be sieging? couldn't he be sieging? couldn't we be sieging? couldn't you be sieging? couldn't they be sieging?
Perfect	V-ing perfect
couldn't I have sieged? couldn't you have sieged? couldn't he have sieged? couldn't we have sieged? couldn't you have sieged? couldn't they have sieged?	couldn't I have been sieging? couldn't you have been sieging? couldn't he have been sieging? couldn't we have been sieging? couldn't you have been sieging? couldn't they have been sieging?