should have use knock in sentence

Knock Verb Forms

Base form (v1) Knock
Past form (v2) Knocked
Past Participle (v3)
-ed form
Knocked
Present Participle (v4)
‘ing’ form
Knocking
Present simple (v5)
s / es/ ies
Knocks

SHOULD HAVE use - knock verb forms


POSITIVE STATEMENT:

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

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

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