should stamp
Regular verb: stamp - stamped- stamped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd stamp
you'd stamp
he'd stamp
we'd stamp
you'd stamp
they'd stamp 	I'd be stamping
you'd be stamping
he'd be stamping
we'd be stamping
you'd be stamping
they'd be stamping	I should've stamped
you should've stamped
he should've stamped
we should've stamped
you should've stamped
they should've stamped	I should've been stamping
you should've been stamping
he should've been stamping
we should've been stamping
you should've been stamping
they should've been stamping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't stamp
you shouldn't stamp
he shouldn't stamp
we shouldn't stamp
you shouldn't stamp
they shouldn't stamp 	I shouldn't be stamping
you shouldn't be stamping
he shouldn't be stamping
we shouldn't be stamping
you shouldn't be stamping
they shouldn't be stamping	I shouldn't have stamped
you shouldn't have stamped
he shouldn't have stamped
we shouldn't have stamped
you shouldn't have stamped
they shouldn't have stamped	I shouldn't have been stamping
you shouldn't have been stamping
he shouldn't have been stamping
we shouldn't have been stamping
you shouldn't have been stamping
they shouldn't have been stamping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I stamp?
should you stamp?
should he stamp?
should we stamp?
should you stamp?
should they stamp? 	should I be stamping?
should you be stamping?
should he be stamping?
should we be stamping?
should you be stamping?
should they be stamping? 	should I have stamped?
should you have stamped?
should he have stamped?
should we have stamped?
should you have stamped?
should they have stamped? 	should I have been stamping?
should you have been stamping?
should he have been stamping?
should we have been stamping?
should you have been stamping?
should they have been stamping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I stamp?
shouldn't you stamp?
shouldn't he stamp?
shouldn't we stamp?
shouldn't you stamp?
shouldn't they stamp? 	shouldn't I be stamping?
shouldn't you be stamping?
shouldn't he be stamping?
shouldn't we be stamping?
shouldn't you be stamping?
shouldn't they be stamping? 	shouldn't I have stamped?
shouldn't you have stamped?
shouldn't he have stamped?
shouldn't we have stamped?
shouldn't you have stamped?
shouldn't they have stamped? 	shouldn't I have been stamping?
shouldn't you have been stamping?
shouldn't he have been stamping?
shouldn't we have been stamping?
shouldn't you have been stamping?
shouldn't they have been stamping?