should perceive
Regular verb: perceive - perceived- perceived

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd perceive
you'd perceive
he'd perceive
we'd perceive
you'd perceive
they'd perceive 	I'd be perceiving
you'd be perceiving
he'd be perceiving
we'd be perceiving
you'd be perceiving
they'd be perceiving	I should've perceived
you should've perceived
he should've perceived
we should've perceived
you should've perceived
they should've perceived	I should've been perceiving
you should've been perceiving
he should've been perceiving
we should've been perceiving
you should've been perceiving
they should've been perceiving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't perceive
you shouldn't perceive
he shouldn't perceive
we shouldn't perceive
you shouldn't perceive
they shouldn't perceive 	I shouldn't be perceiving
you shouldn't be perceiving
he shouldn't be perceiving
we shouldn't be perceiving
you shouldn't be perceiving
they shouldn't be perceiving	I shouldn't have perceived
you shouldn't have perceived
he shouldn't have perceived
we shouldn't have perceived
you shouldn't have perceived
they shouldn't have perceived	I shouldn't have been perceiving
you shouldn't have been perceiving
he shouldn't have been perceiving
we shouldn't have been perceiving
you shouldn't have been perceiving
they shouldn't have been perceiving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I perceive?
should you perceive?
should he perceive?
should we perceive?
should you perceive?
should they perceive? 	should I be perceiving?
should you be perceiving?
should he be perceiving?
should we be perceiving?
should you be perceiving?
should they be perceiving? 	should I have perceived?
should you have perceived?
should he have perceived?
should we have perceived?
should you have perceived?
should they have perceived? 	should I have been perceiving?
should you have been perceiving?
should he have been perceiving?
should we have been perceiving?
should you have been perceiving?
should they have been perceiving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I perceive?
shouldn't you perceive?
shouldn't he perceive?
shouldn't we perceive?
shouldn't you perceive?
shouldn't they perceive? 	shouldn't I be perceiving?
shouldn't you be perceiving?
shouldn't he be perceiving?
shouldn't we be perceiving?
shouldn't you be perceiving?
shouldn't they be perceiving? 	shouldn't I have perceived?
shouldn't you have perceived?
shouldn't he have perceived?
shouldn't we have perceived?
shouldn't you have perceived?
shouldn't they have perceived? 	shouldn't I have been perceiving?
shouldn't you have been perceiving?
shouldn't he have been perceiving?
shouldn't we have been perceiving?
shouldn't you have been perceiving?
shouldn't they have been perceiving?