English verb conjugation
COULD RESIGN

Regular verb: resign - resigned - resigned

Affirmation

Simple form	V-ing form
I could resign you could resign she could resign we could resign you could resign they could resign	I could be resigning you could be resigning she could be resigning we could be resigning you could be resigning they could be resigning
Perfect	V-ing perfect
I could have resigned you could have resigned she could have resigned we could have resigned you could have resigned they could have resigned	I could have been resigning you could have been resigning she could have been resigning we could have been resigning you could have been resigning they could have been resigning

Negation

Simple form	V-ing form
I could not resign you could not resign she could not resign we could not resign you could not resign they could not resign	I could not be resigning you could not be resigning she could not be resigning we could not be resigning you could not be resigning they could not be resigning
Perfect	V-ing perfect
I could not have resigned you could not have resigned she could not have resigned we could not have resigned you could not have resigned they could not have resigned	I could not have been resigning you could not have been resigning she could not have been resigning we could not have been resigning you could not have been resigning they could not have been resigning

Interrogative form

Simple form	V-ing form
could I resign? could you resign? could she resign? could we resign? could you resign? could they resign?	could I be resigning? could you be resigning? could she be resigning? could we be resigning? could you be resigning? could they be resigning?
Perfect	V-ing perfect
could I have resigned? could you have resigned? could she have resigned? could we have resigned? could you have resigned? could they have resigned?	could I have been resigning? could you have been resigning? could she have been resigning? could we have been resigning? could you have been resigning? could they have been resigning?

Interro-negative form

Simple form	V-ing form
could I not resign? could you not resign? could she not resign? could we not resign? could you not resign? could they not resign?	could I not be resigning? could you not be resigning? could she not be resigning? could we not be resigning? could you not be resigning? could they not be resigning?
Perfect	V-ing perfect
could I not have resigned? could you not have resigned? could she not have resigned? could we not have resigned? could you not have resigned? could they not have resigned?	could I not have been resigning? could you not have been resigning? could she not have been resigning? could we not have been resigning? could you not have been resigning? could they not have been resigning?