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 couldn't expunge you couldn't expunge he couldn't expunge we couldn't expunge you couldn't expunge they couldn't expunge	I couldn't be expunging you couldn't be expunging he couldn't be expunging we couldn't be expunging you couldn't be expunging they couldn't be expunging
Perfect	V-ing perfect
I couldn't have expunged you couldn't have expunged he couldn't have expunged we couldn't have expunged you couldn't have expunged they couldn't have expunged	I couldn't have been expunging you couldn't have been expunging he couldn't have been expunging we couldn't have been expunging you couldn't have been expunging they couldn't 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
couldn't I expunge? couldn't you expunge? couldn't he expunge? couldn't we expunge? couldn't you expunge? couldn't they expunge?	couldn't I be expunging? couldn't you be expunging? couldn't he be expunging? couldn't we be expunging? couldn't you be expunging? couldn't they be expunging?
Perfect	V-ing perfect
couldn't I have expunged? couldn't you have expunged? couldn't he have expunged? couldn't we have expunged? couldn't you have expunged? couldn't they have expunged?	couldn't I have been expunging? couldn't you have been expunging? couldn't he have been expunging? couldn't we have been expunging? couldn't you have been expunging? couldn't they have been expunging?