English verb conjugation
CAN PIG

Regular verb: pig - pigged - pigged

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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