English verb conjugation
COULD EXPUNGE

Regular verb: expunge - expunged - expunged

Affirmation

Simple form	V-ing form
I could expunge you could expunge she could expunge we could expunge you could expunge they could expunge	I could be expunging you could be expunging she 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 she 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 she 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 she 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 she 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 she 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 she 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 she expunge? could we expunge? could you expunge? could they expunge?	could I be expunging? could you be expunging? could she 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 she 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 she 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 she 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 she 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 she 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 she have been expunging? couldn't we have been expunging? couldn't you have been expunging? couldn't they have been expunging?