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