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