Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I can know know you can know know he can know know we can know know you can know know they can know know
V-ing form
I can be know knowing you can be know knowing he can be know knowing we can be know knowing you can be know knowing they can be know knowing
Perfect
I can have know knowed you can have know knowed he can have know knowed we can have know knowed you can have know knowed they can have know knowed
V-ing perfect
I can have been know knowing you can have been know knowing he can have been know knowing we can have been know knowing you can have been know knowing they can have been know knowing
Negation
Simple form
I cannot know know you cannot know know he cannot know know we cannot know know you cannot know know they cannot know know
V-ing form
I cannot be know knowing you cannot be know knowing he cannot be know knowing we cannot be know knowing you cannot be know knowing they cannot be know knowing
Perfect
I cannot have know knowed you cannot have know knowed he cannot have know knowed we cannot have know knowed you cannot have know knowed they cannot have know knowed
V-ing perfect
I cannot have been know knowing you cannot have been know knowing he cannot have been know knowing we cannot have been know knowing you cannot have been know knowing they cannot have been know knowing
Interrogative form
Simple form
can I know know? can you know know? can he know know? can we know know? can you know know? can they know know?
V-ing form
can I be know knowing? can you be know knowing? can he be know knowing? can we be know knowing? can you be know knowing? can they be know knowing?
Perfect
can I have know knowed? can you have know knowed? can he have know knowed? can we have know knowed? can you have know knowed? can they have know knowed?
V-ing perfect
can I have been know knowing? can you have been know knowing? can he have been know knowing? can we have been know knowing? can you have been know knowing? can they have been know knowing?
Interro-negative form
Simple form
can I not know know? can you not know know? can he not know know? can we not know know? can you not know know? can they not know know?
V-ing form
can I not be know knowing? can you not be know knowing? can he not be know knowing? can we not be know knowing? can you not be know knowing? can they not be know knowing?
Perfect
can I not have know knowed? can you not have know knowed? can he not have know knowed? can we not have know knowed? can you not have know knowed? can they not have know knowed?
V-ing perfect
can I not have been know knowing? can you not have been know knowing? can he not have been know knowing? can we not have been know knowing? can you not have been know knowing? can they not have been know knowing?