Conjugation of verb "To know"
Present Simple Continuous
Negative
He/She/It wasn't knowing.
Present Perfect Continuous
Affirmative
He/She/It's been knowing.
Negative
You haven't been knowing.
He/She/It hasn't been knowing.
You haven't been knowing.
They haven't been knowing.
Interrogative
Has he/she/it been knowing?
Affirmative
He/She/It'd been knowing.
Negative
He/She/It hadn't been knowing.
They hadn't been knowing.
Interrogative
Had he/she/it been knowing?
Negative
He/She/It won't have known.
Interrogative
Will he/she/it have known?
Negative
He/She/It wouldn't have known.
They wouldn't have known.
Interrogative
Would he/she/it have known?