can pig
Regular verb: pig - pigged- pigged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can pig
you can pig
she can pig
we can pig
you can pig
they can pig 	I can be pigging
you can be pigging
she can be pigging
we can be pigging
you can be pigging
they can be pigging	I can have pigged
you can have pigged
she 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
she 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 	Perfect 	V-ing perfect 	
I can't pig
you can't pig
she can't pig
we can't pig
you can't pig
they can't pig 	I can't be pigging
you can't be pigging
she can't be pigging
we can't be pigging
you can't be pigging
they can't be pigging	I can't have pigged
you can't have pigged
she can't have pigged
we can't have pigged
you can't have pigged
they can't have pigged	I can't have been pigging
you can't have been pigging
she can't have been pigging
we can't have been pigging
you can't have been pigging
they can't have been pigging	

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