English verb conjugation
SHOULD PERCEIVE

Regular verb: perceive - perceived - perceived

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?