I'd be piggying you'd be piggying he'd be piggying we'd be piggying you'd be piggying they'd be piggying
Perfect
I should've piggied you should've piggied he should've piggied we should've piggied you should've piggied they should've piggied
V-ing perfect
I should've been piggying you should've been piggying he should've been piggying we should've been piggying you should've been piggying they should've been piggying
Negation
Simple form
I shouldn't piggy you shouldn't piggy he shouldn't piggy we shouldn't piggy you shouldn't piggy they shouldn't piggy
V-ing form
I shouldn't be piggying you shouldn't be piggying he shouldn't be piggying we shouldn't be piggying you shouldn't be piggying they shouldn't be piggying
Perfect
I shouldn't have piggied you shouldn't have piggied he shouldn't have piggied we shouldn't have piggied you shouldn't have piggied they shouldn't have piggied
V-ing perfect
I shouldn't have been piggying you shouldn't have been piggying he shouldn't have been piggying we shouldn't have been piggying you shouldn't have been piggying they shouldn't have been piggying
Interrogative form
Simple form
should I piggy? should you piggy? should he piggy? should we piggy? should you piggy? should they piggy?
V-ing form
should I be piggying? should you be piggying? should he be piggying? should we be piggying? should you be piggying? should they be piggying?
Perfect
should I have piggied? should you have piggied? should he have piggied? should we have piggied? should you have piggied? should they have piggied?
V-ing perfect
should I have been piggying? should you have been piggying? should he have been piggying? should we have been piggying? should you have been piggying? should they have been piggying?
Interro-negative form
Simple form
shouldn't I piggy? shouldn't you piggy? shouldn't he piggy? shouldn't we piggy? shouldn't you piggy? shouldn't they piggy?
V-ing form
shouldn't I be piggying? shouldn't you be piggying? shouldn't he be piggying? shouldn't we be piggying? shouldn't you be piggying? shouldn't they be piggying?
Perfect
shouldn't I have piggied? shouldn't you have piggied? shouldn't he have piggied? shouldn't we have piggied? shouldn't you have piggied? shouldn't they have piggied?
V-ing perfect
shouldn't I have been piggying? shouldn't you have been piggying? shouldn't he have been piggying? shouldn't we have been piggying? shouldn't you have been piggying? shouldn't they have been piggying?