female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation SHOULD KNOW
Irregular verb: know - knew - known
Affirmation
Simple form
I'd knowyou'd know
he'd know
we'd know
you'd know
they'd know
V-ing form
I'd be knowingyou'd be knowing
he'd be knowing
we'd be knowing
you'd be knowing
they'd be knowing
Perfect
I should've knownyou should've known
he should've known
we should've known
you should've known
they should've known
V-ing perfect
I should've been knowingyou should've been knowing
he should've been knowing
we should've been knowing
you should've been knowing
they should've been knowing
Negation
Simple form
I shouldn't knowyou shouldn't know
he shouldn't know
we shouldn't know
you shouldn't know
they shouldn't know
V-ing form
I shouldn't be knowingyou shouldn't be knowing
he shouldn't be knowing
we shouldn't be knowing
you shouldn't be knowing
they shouldn't be knowing
Perfect
I shouldn't have knownyou shouldn't have known
he shouldn't have known
we shouldn't have known
you shouldn't have known
they shouldn't have known
V-ing perfect
I shouldn't have been knowingyou shouldn't have been knowing
he shouldn't have been knowing
we shouldn't have been knowing
you shouldn't have been knowing
they shouldn't have been knowing
Interrogative form
Simple form
should I know?should you know?
should he know?
should we know?
should you know?
should they know?
V-ing form
should I be knowing?should you be knowing?
should he be knowing?
should we be knowing?
should you be knowing?
should they be knowing?
Perfect
should I have known?should you have known?
should he have known?
should we have known?
should you have known?
should they have known?
V-ing perfect
should I have been knowing?should you have been knowing?
should he have been knowing?
should we have been knowing?
should you have been knowing?
should they have been knowing?
Interro-negative form
Simple form
shouldn't I know?shouldn't you know?
shouldn't he know?
shouldn't we know?
shouldn't you know?
shouldn't they know?
V-ing form
shouldn't I be knowing?shouldn't you be knowing?
shouldn't he be knowing?
shouldn't we be knowing?
shouldn't you be knowing?
shouldn't they be knowing?
Perfect
shouldn't I have known?shouldn't you have known?
shouldn't he have known?
shouldn't we have known?
shouldn't you have known?
shouldn't they have known?
V-ing perfect
shouldn't I have been knowing?shouldn't you have been knowing?
shouldn't he have been knowing?
shouldn't we have been knowing?
shouldn't you have been knowing?
shouldn't they have been knowing?