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