Conjugation of verb "To know"
Present Simple Continuous
Negative
He/She/It is not knowing.
Negative
He/She/It was not knowing.
Present Perfect Continuous
Affirmative
He/She/It has been knowing.
Negative
You have not been knowing.
We have not been knowing.
He/She/It has not been knowing.
You have not been knowing.
They have not been knowing.
Interrogative
Has he/she/it been knowing?
Affirmative
He/She/It had been knowing.
Negative
You had not been knowing.
He/She/It had not been knowing.
You had not been knowing.
They had not been knowing.
Interrogative
Had he/she/it been knowing?
Affirmative
He/She/It will have known.
Negative
He/She/It will not have known.
They will not have known.
Interrogative
Will he/she/it have known?
Negative
He/She/It would not know.
Affirmative
He/She/It would have known.
Negative
You would not have known.
He/She/It would not have known.
You would not have known.
They would not have known.
Interrogative
Would he/she/it have known?