Coniugazione del verbo inglese
MUST KNOW

Verbo irregolare: know - knew - known

Affermazione

Forma semplice	Forma con V-ing
I must know you must know he must know we must know you must know they must know	I must be knowing you must be knowing he must be knowing we must be knowing you must be knowing they must be knowing
Perfetto	Perfetto con V-ing
I must have known you must have known he must have known we must have known you must have known they must have known	I must have been knowing you must have been knowing he must have been knowing we must have been knowing you must have been knowing they must have been knowing

Negazione

Forma semplice	Forma con V-ing
I must not know you must not know he must not know we must not know you must not know they must not know	I must not be knowing you must not be knowing he must not be knowing we must not be knowing you must not be knowing they must not be knowing
Perfetto	Perfetto con V-ing
I must not have known you must not have known he must not have known we must not have known you must not have known they must not have known	I must not have been knowing you must not have been knowing he must not have been knowing we must not have been knowing you must not have been knowing they must not have been knowing

Forma interrogativa

Forma semplice	Forma con V-ing
must I know? must you know? must he know? must we know? must you know? must they know?	must I be knowing? must you be knowing? must he be knowing? must we be knowing? must you be knowing? must they be knowing?
Perfetto	Perfetto con V-ing
must I have known? must you have known? must he have known? must we have known? must you have known? must they have known?	must I have been knowing? must you have been knowing? must he have been knowing? must we have been knowing? must you have been knowing? must they have been knowing?

Forma interro-negativa

Forma semplice	Forma con V-ing
must I not know? must you not know? must he not know? must we not know? must you not know? must they not know?	must I not be knowing? must you not be knowing? must he not be knowing? must we not be knowing? must you not be knowing? must they not be knowing?
Perfetto	Perfetto con V-ing
must I not have known? must you not have known? must he not have known? must we not have known? must you not have known? must they not have known?	must I not have been knowing? must you not have been knowing? must he not have been knowing? must we not have been knowing? must you not have been knowing? must they not have been knowing?