Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I can piggy you can piggy he can piggy we can piggy you can piggy they can piggy
V-ing form
I can be piggying you can be piggying he can be piggying we can be piggying you can be piggying they can be piggying
Perfect
I can have piggied you can have piggied he can have piggied we can have piggied you can have piggied they can have piggied
V-ing perfect
I can have been piggying you can have been piggying he can have been piggying we can have been piggying you can have been piggying they can have been piggying
Negation
Simple form
I cannot piggy you cannot piggy he cannot piggy we cannot piggy you cannot piggy they cannot piggy
V-ing form
I cannot be piggying you cannot be piggying he cannot be piggying we cannot be piggying you cannot be piggying they cannot be piggying
Perfect
I cannot have piggied you cannot have piggied he cannot have piggied we cannot have piggied you cannot have piggied they cannot have piggied
V-ing perfect
I cannot have been piggying you cannot have been piggying he cannot have been piggying we cannot have been piggying you cannot have been piggying they cannot have been piggying
Interrogative form
Simple form
can I piggy? can you piggy? can he piggy? can we piggy? can you piggy? can they piggy?
V-ing form
can I be piggying? can you be piggying? can he be piggying? can we be piggying? can you be piggying? can they be piggying?
Perfect
can I have piggied? can you have piggied? can he have piggied? can we have piggied? can you have piggied? can they have piggied?
V-ing perfect
can I have been piggying? can you have been piggying? can he have been piggying? can we have been piggying? can you have been piggying? can they have been piggying?
Interro-negative form
Simple form
can I not piggy? can you not piggy? can he not piggy? can we not piggy? can you not piggy? can they not piggy?
V-ing form
can I not be piggying? can you not be piggying? can he not be piggying? can we not be piggying? can you not be piggying? can they not be piggying?
Perfect
can I not have piggied? can you not have piggied? can he not have piggied? can we not have piggied? can you not have piggied? can they not have piggied?
V-ing perfect
can I not have been piggying? can you not have been piggying? can he not have been piggying? can we not have been piggying? can you not have been piggying? can they not have been piggying?