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