English verb conjugation
COULD RENEW

Regular verb: renew - renewed - renewed

Affirmation

Simple form	V-ing form
I could renew you could renew he could renew we could renew you could renew they could renew	I could be renewing you could be renewing he could be renewing we could be renewing you could be renewing they could be renewing
Perfect	V-ing perfect
I could have renewed you could have renewed he could have renewed we could have renewed you could have renewed they could have renewed	I could have been renewing you could have been renewing he could have been renewing we could have been renewing you could have been renewing they could have been renewing

Negation

Simple form	V-ing form
I could not renew you could not renew he could not renew we could not renew you could not renew they could not renew	I could not be renewing you could not be renewing he could not be renewing we could not be renewing you could not be renewing they could not be renewing
Perfect	V-ing perfect
I could not have renewed you could not have renewed he could not have renewed we could not have renewed you could not have renewed they could not have renewed	I could not have been renewing you could not have been renewing he could not have been renewing we could not have been renewing you could not have been renewing they could not have been renewing

Interrogative form

Simple form	V-ing form
could I renew? could you renew? could he renew? could we renew? could you renew? could they renew?	could I be renewing? could you be renewing? could he be renewing? could we be renewing? could you be renewing? could they be renewing?
Perfect	V-ing perfect
could I have renewed? could you have renewed? could he have renewed? could we have renewed? could you have renewed? could they have renewed?	could I have been renewing? could you have been renewing? could he have been renewing? could we have been renewing? could you have been renewing? could they have been renewing?

Interro-negative form

Simple form	V-ing form
could I not renew? could you not renew? could he not renew? could we not renew? could you not renew? could they not renew?	could I not be renewing? could you not be renewing? could he not be renewing? could we not be renewing? could you not be renewing? could they not be renewing?
Perfect	V-ing perfect
could I not have renewed? could you not have renewed? could he not have renewed? could we not have renewed? could you not have renewed? could they not have renewed?	could I not have been renewing? could you not have been renewing? could he not have been renewing? could we not have been renewing? could you not have been renewing? could they not have been renewing?