English verb conjugation
COULD SLUG

Regular verb: slug - slugged - slugged

Affirmation

Simple form	V-ing form
I could slug you could slug she could slug we could slug you could slug they could slug	I could be slugging you could be slugging she could be slugging we could be slugging you could be slugging they could be slugging
Perfect	V-ing perfect
I could have slugged you could have slugged she could have slugged we could have slugged you could have slugged they could have slugged	I could have been slugging you could have been slugging she could have been slugging we could have been slugging you could have been slugging they could have been slugging

Negation

Simple form	V-ing form
I couldn't slug you couldn't slug she couldn't slug we couldn't slug you couldn't slug they couldn't slug	I couldn't be slugging you couldn't be slugging she couldn't be slugging we couldn't be slugging you couldn't be slugging they couldn't be slugging
Perfect	V-ing perfect
I couldn't have slugged you couldn't have slugged she couldn't have slugged we couldn't have slugged you couldn't have slugged they couldn't have slugged	I couldn't have been slugging you couldn't have been slugging she couldn't have been slugging we couldn't have been slugging you couldn't have been slugging they couldn't have been slugging

Interrogative form

Simple form	V-ing form
could I slug? could you slug? could she slug? could we slug? could you slug? could they slug?	could I be slugging? could you be slugging? could she be slugging? could we be slugging? could you be slugging? could they be slugging?
Perfect	V-ing perfect
could I have slugged? could you have slugged? could she have slugged? could we have slugged? could you have slugged? could they have slugged?	could I have been slugging? could you have been slugging? could she have been slugging? could we have been slugging? could you have been slugging? could they have been slugging?

Interro-negative form

Simple form	V-ing form
couldn't I slug? couldn't you slug? couldn't she slug? couldn't we slug? couldn't you slug? couldn't they slug?	couldn't I be slugging? couldn't you be slugging? couldn't she be slugging? couldn't we be slugging? couldn't you be slugging? couldn't they be slugging?
Perfect	V-ing perfect
couldn't I have slugged? couldn't you have slugged? couldn't she have slugged? couldn't we have slugged? couldn't you have slugged? couldn't they have slugged?	couldn't I have been slugging? couldn't you have been slugging? couldn't she have been slugging? couldn't we have been slugging? couldn't you have been slugging? couldn't they have been slugging?