should flinch
Regular verb: flinch - flinched- flinched

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