should backstitch
Regular verb: backstitch - backstitched- backstitched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd backstitch
you'd backstitch
he'd backstitch
we'd backstitch
you'd backstitch
they'd backstitch 	I'd be backstitching
you'd be backstitching
he'd be backstitching
we'd be backstitching
you'd be backstitching
they'd be backstitching	I should've backstitched
you should've backstitched
he should've backstitched
we should've backstitched
you should've backstitched
they should've backstitched	I should've been backstitching
you should've been backstitching
he should've been backstitching
we should've been backstitching
you should've been backstitching
they should've been backstitching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't backstitch
you shouldn't backstitch
he shouldn't backstitch
we shouldn't backstitch
you shouldn't backstitch
they shouldn't backstitch 	I shouldn't be backstitching
you shouldn't be backstitching
he shouldn't be backstitching
we shouldn't be backstitching
you shouldn't be backstitching
they shouldn't be backstitching	I shouldn't have backstitched
you shouldn't have backstitched
he shouldn't have backstitched
we shouldn't have backstitched
you shouldn't have backstitched
they shouldn't have backstitched	I shouldn't have been backstitching
you shouldn't have been backstitching
he shouldn't have been backstitching
we shouldn't have been backstitching
you shouldn't have been backstitching
they shouldn't have been backstitching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I backstitch?
should you backstitch?
should he backstitch?
should we backstitch?
should you backstitch?
should they backstitch? 	should I be backstitching?
should you be backstitching?
should he be backstitching?
should we be backstitching?
should you be backstitching?
should they be backstitching? 	should I have backstitched?
should you have backstitched?
should he have backstitched?
should we have backstitched?
should you have backstitched?
should they have backstitched? 	should I have been backstitching?
should you have been backstitching?
should he have been backstitching?
should we have been backstitching?
should you have been backstitching?
should they have been backstitching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I backstitch?
shouldn't you backstitch?
shouldn't he backstitch?
shouldn't we backstitch?
shouldn't you backstitch?
shouldn't they backstitch? 	shouldn't I be backstitching?
shouldn't you be backstitching?
shouldn't he be backstitching?
shouldn't we be backstitching?
shouldn't you be backstitching?
shouldn't they be backstitching? 	shouldn't I have backstitched?
shouldn't you have backstitched?
shouldn't he have backstitched?
shouldn't we have backstitched?
shouldn't you have backstitched?
shouldn't they have backstitched? 	shouldn't I have been backstitching?
shouldn't you have been backstitching?
shouldn't he have been backstitching?
shouldn't we have been backstitching?
shouldn't you have been backstitching?
shouldn't they have been backstitching?