should stampede
Regular verb: stampede - stampeded- stampeded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd stampede
you'd stampede
he'd stampede
we'd stampede
you'd stampede
they'd stampede 	I'd be stampeding
you'd be stampeding
he'd be stampeding
we'd be stampeding
you'd be stampeding
they'd be stampeding	I should've stampeded
you should've stampeded
he should've stampeded
we should've stampeded
you should've stampeded
they should've stampeded	I should've been stampeding
you should've been stampeding
he should've been stampeding
we should've been stampeding
you should've been stampeding
they should've been stampeding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't stampede
you shouldn't stampede
he shouldn't stampede
we shouldn't stampede
you shouldn't stampede
they shouldn't stampede 	I shouldn't be stampeding
you shouldn't be stampeding
he shouldn't be stampeding
we shouldn't be stampeding
you shouldn't be stampeding
they shouldn't be stampeding	I shouldn't have stampeded
you shouldn't have stampeded
he shouldn't have stampeded
we shouldn't have stampeded
you shouldn't have stampeded
they shouldn't have stampeded	I shouldn't have been stampeding
you shouldn't have been stampeding
he shouldn't have been stampeding
we shouldn't have been stampeding
you shouldn't have been stampeding
they shouldn't have been stampeding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I stampede?
should you stampede?
should he stampede?
should we stampede?
should you stampede?
should they stampede? 	should I be stampeding?
should you be stampeding?
should he be stampeding?
should we be stampeding?
should you be stampeding?
should they be stampeding? 	should I have stampeded?
should you have stampeded?
should he have stampeded?
should we have stampeded?
should you have stampeded?
should they have stampeded? 	should I have been stampeding?
should you have been stampeding?
should he have been stampeding?
should we have been stampeding?
should you have been stampeding?
should they have been stampeding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I stampede?
shouldn't you stampede?
shouldn't he stampede?
shouldn't we stampede?
shouldn't you stampede?
shouldn't they stampede? 	shouldn't I be stampeding?
shouldn't you be stampeding?
shouldn't he be stampeding?
shouldn't we be stampeding?
shouldn't you be stampeding?
shouldn't they be stampeding? 	shouldn't I have stampeded?
shouldn't you have stampeded?
shouldn't he have stampeded?
shouldn't we have stampeded?
shouldn't you have stampeded?
shouldn't they have stampeded? 	shouldn't I have been stampeding?
shouldn't you have been stampeding?
shouldn't he have been stampeding?
shouldn't we have been stampeding?
shouldn't you have been stampeding?
shouldn't they have been stampeding?