English verb conjugation
COULD PIG

Regular verb: pig - pigged - pigged

Affirmation

Simple form	V-ing form
I could pig you could pig he could pig we could pig you could pig they could pig	I could be pigging you could be pigging he could be pigging we could be pigging you could be pigging they could be pigging
Perfect	V-ing perfect
I could have pigged you could have pigged he could have pigged we could have pigged you could have pigged they could have pigged	I could have been pigging you could have been pigging he could have been pigging we could have been pigging you could have been pigging they could have been pigging

Negation

Simple form	V-ing form
I couldn't pig you couldn't pig he couldn't pig we couldn't pig you couldn't pig they couldn't pig	I couldn't be pigging you couldn't be pigging he couldn't be pigging we couldn't be pigging you couldn't be pigging they couldn't be pigging
Perfect	V-ing perfect
I couldn't have pigged you couldn't have pigged he couldn't have pigged we couldn't have pigged you couldn't have pigged they couldn't have pigged	I couldn't have been pigging you couldn't have been pigging he couldn't have been pigging we couldn't have been pigging you couldn't have been pigging they couldn't have been pigging

Interrogative form

Simple form	V-ing form
could I pig? could you pig? could he pig? could we pig? could you pig? could they pig?	could I be pigging? could you be pigging? could he be pigging? could we be pigging? could you be pigging? could they be pigging?
Perfect	V-ing perfect
could I have pigged? could you have pigged? could he have pigged? could we have pigged? could you have pigged? could they have pigged?	could I have been pigging? could you have been pigging? could he have been pigging? could we have been pigging? could you have been pigging? could they have been pigging?

Interro-negative form

Simple form	V-ing form
couldn't I pig? couldn't you pig? couldn't he pig? couldn't we pig? couldn't you pig? couldn't they pig?	couldn't I be pigging? couldn't you be pigging? couldn't he be pigging? couldn't we be pigging? couldn't you be pigging? couldn't they be pigging?
Perfect	V-ing perfect
couldn't I have pigged? couldn't you have pigged? couldn't he have pigged? couldn't we have pigged? couldn't you have pigged? couldn't they have pigged?	couldn't I have been pigging? couldn't you have been pigging? couldn't he have been pigging? couldn't we have been pigging? couldn't you have been pigging? couldn't they have been pigging?