should postpone
Regular verb: postpone - postponed- postponed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd postpone
you'd postpone
he'd postpone
we'd postpone
you'd postpone
they'd postpone 	I'd be postponing
you'd be postponing
he'd be postponing
we'd be postponing
you'd be postponing
they'd be postponing	I should've postponed
you should've postponed
he should've postponed
we should've postponed
you should've postponed
they should've postponed	I should've been postponing
you should've been postponing
he should've been postponing
we should've been postponing
you should've been postponing
they should've been postponing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't postpone
you shouldn't postpone
he shouldn't postpone
we shouldn't postpone
you shouldn't postpone
they shouldn't postpone 	I shouldn't be postponing
you shouldn't be postponing
he shouldn't be postponing
we shouldn't be postponing
you shouldn't be postponing
they shouldn't be postponing	I shouldn't have postponed
you shouldn't have postponed
he shouldn't have postponed
we shouldn't have postponed
you shouldn't have postponed
they shouldn't have postponed	I shouldn't have been postponing
you shouldn't have been postponing
he shouldn't have been postponing
we shouldn't have been postponing
you shouldn't have been postponing
they shouldn't have been postponing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I postpone?
should you postpone?
should he postpone?
should we postpone?
should you postpone?
should they postpone? 	should I be postponing?
should you be postponing?
should he be postponing?
should we be postponing?
should you be postponing?
should they be postponing? 	should I have postponed?
should you have postponed?
should he have postponed?
should we have postponed?
should you have postponed?
should they have postponed? 	should I have been postponing?
should you have been postponing?
should he have been postponing?
should we have been postponing?
should you have been postponing?
should they have been postponing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I postpone?
shouldn't you postpone?
shouldn't he postpone?
shouldn't we postpone?
shouldn't you postpone?
shouldn't they postpone? 	shouldn't I be postponing?
shouldn't you be postponing?
shouldn't he be postponing?
shouldn't we be postponing?
shouldn't you be postponing?
shouldn't they be postponing? 	shouldn't I have postponed?
shouldn't you have postponed?
shouldn't he have postponed?
shouldn't we have postponed?
shouldn't you have postponed?
shouldn't they have postponed? 	shouldn't I have been postponing?
shouldn't you have been postponing?
shouldn't he have been postponing?
shouldn't we have been postponing?
shouldn't you have been postponing?
shouldn't they have been postponing?