I'd bit you'd bit she'd bit we'd bit you'd bit they'd bit
V-ing form
I'd be biting you'd be biting she'd be biting we'd be biting you'd be biting they'd be biting
Perfect
I should've bited you should've bited she should've bited we should've bited you should've bited they should've bited
V-ing perfect
I should've been biting you should've been biting she should've been biting we should've been biting you should've been biting they should've been biting
Negation
Simple form
I shouldn't bit you shouldn't bit she shouldn't bit we shouldn't bit you shouldn't bit they shouldn't bit
V-ing form
I shouldn't be biting you shouldn't be biting she shouldn't be biting we shouldn't be biting you shouldn't be biting they shouldn't be biting
Perfect
I shouldn't have bited you shouldn't have bited she shouldn't have bited we shouldn't have bited you shouldn't have bited they shouldn't have bited
V-ing perfect
I shouldn't have been biting you shouldn't have been biting she shouldn't have been biting we shouldn't have been biting you shouldn't have been biting they shouldn't have been biting
Interrogative form
Simple form
should I bit? should you bit? should she bit? should we bit? should you bit? should they bit?
V-ing form
should I be biting? should you be biting? should she be biting? should we be biting? should you be biting? should they be biting?
Perfect
should I have bited? should you have bited? should she have bited? should we have bited? should you have bited? should they have bited?
V-ing perfect
should I have been biting? should you have been biting? should she have been biting? should we have been biting? should you have been biting? should they have been biting?
Interro-negative form
Simple form
shouldn't I bit? shouldn't you bit? shouldn't she bit? shouldn't we bit? shouldn't you bit? shouldn't they bit?
V-ing form
shouldn't I be biting? shouldn't you be biting? shouldn't she be biting? shouldn't we be biting? shouldn't you be biting? shouldn't they be biting?
Perfect
shouldn't I have bited? shouldn't you have bited? shouldn't she have bited? shouldn't we have bited? shouldn't you have bited? shouldn't they have bited?
V-ing perfect
shouldn't I have been biting? shouldn't you have been biting? shouldn't she have been biting? shouldn't we have been biting? shouldn't you have been biting? shouldn't they have been biting?