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 could not pig you could not pig he could not pig we could not pig you could not pig they could not pig	I could not be pigging you could not be pigging he could not be pigging we could not be pigging you could not be pigging they could not be pigging
Perfect	V-ing perfect
I could not have pigged you could not have pigged he could not have pigged we could not have pigged you could not have pigged they could not have pigged	I could not have been pigging you could not have been pigging he could not have been pigging we could not have been pigging you could not have been pigging they could not 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
could I not pig? could you not pig? could he not pig? could we not pig? could you not pig? could they not pig?	could I not be pigging? could you not be pigging? could he not be pigging? could we not be pigging? could you not be pigging? could they not be pigging?
Perfect	V-ing perfect
could I not have pigged? could you not have pigged? could he not have pigged? could we not have pigged? could you not have pigged? could they not have pigged?	could I not have been pigging? could you not have been pigging? could he not have been pigging? could we not have been pigging? could you not have been pigging? could they not have been pigging?