English verb conjugation SHOULD KNOW

Irregular verb: know - knew - known

Affirmation

Simple form

I'd know
you'd know
he'd know
we'd know
you'd know
they'd know

V-ing form

I'd be knowing
you'd be knowing
he'd be knowing
we'd be knowing
you'd be knowing
they'd be knowing

Perfect

I should've known
you 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 knowing
you 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 know
you 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 knowing
you 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 known
you 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 knowing
you 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?

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