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