English verb conjugation
COULD EXPUNGE

Regular verb: expunge - expunged - expunged

Affirmation

Simple form	V-ing form
I could expunge you could expunge he could expunge we could expunge you could expunge they could expunge	I could be expunging you could be expunging he could be expunging we could be expunging you could be expunging they could be expunging
Perfect	V-ing perfect
I could have expunged you could have expunged he could have expunged we could have expunged you could have expunged they could have expunged	I could have been expunging you could have been expunging he could have been expunging we could have been expunging you could have been expunging they could have been expunging

Negation

Simple form	V-ing form
I could not expunge you could not expunge he could not expunge we could not expunge you could not expunge they could not expunge	I could not be expunging you could not be expunging he could not be expunging we could not be expunging you could not be expunging they could not be expunging
Perfect	V-ing perfect
I could not have expunged you could not have expunged he could not have expunged we could not have expunged you could not have expunged they could not have expunged	I could not have been expunging you could not have been expunging he could not have been expunging we could not have been expunging you could not have been expunging they could not have been expunging

Interrogative form

Simple form	V-ing form
could I expunge? could you expunge? could he expunge? could we expunge? could you expunge? could they expunge?	could I be expunging? could you be expunging? could he be expunging? could we be expunging? could you be expunging? could they be expunging?
Perfect	V-ing perfect
could I have expunged? could you have expunged? could he have expunged? could we have expunged? could you have expunged? could they have expunged?	could I have been expunging? could you have been expunging? could he have been expunging? could we have been expunging? could you have been expunging? could they have been expunging?

Interro-negative form

Simple form	V-ing form
could I not expunge? could you not expunge? could he not expunge? could we not expunge? could you not expunge? could they not expunge?	could I not be expunging? could you not be expunging? could he not be expunging? could we not be expunging? could you not be expunging? could they not be expunging?
Perfect	V-ing perfect
could I not have expunged? could you not have expunged? could he not have expunged? could we not have expunged? could you not have expunged? could they not have expunged?	could I not have been expunging? could you not have been expunging? could he not have been expunging? could we not have been expunging? could you not have been expunging? could they not have been expunging?