should have use know in sentence

Know Verb Forms

Base form (v1) Know
Past form (v2) Knew
Past Participle (v3)
-ed form
Known
Present Participle (v4)
‘ing’ form
Knowing
Present simple (v5)
s / es/ ies
Knows

SHOULD HAVE use - know verb forms


POSITIVE STATEMENT:

I should have known
situation
We should have known
situation
You should have known
situation
They should have known
situation
He should have known
situation
She should have known
situation
It should have known
situation
Name should have known
situation
QUESTION:

should I have known
situation
?
should We have known
situation
?
should You have known
situation
?
should They have known
situation
?
should He have known
situation
?
should She have known
situation
?
should It have known
situation
?
should Name have known
situation
?

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