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