English verb conjugation
MUST FATHER

Regular verb: father - fathered - fathered

Affirmation

Simple form	V-ing form
I must father you must father he must father we must father you must father they must father	I must be fathering you must be fathering he must be fathering we must be fathering you must be fathering they must be fathering
Perfect	V-ing perfect
I must have fathered you must have fathered he must have fathered we must have fathered you must have fathered they must have fathered	I must have been fathering you must have been fathering he must have been fathering we must have been fathering you must have been fathering they must have been fathering

Negation

Simple form	V-ing form
I must not father you must not father he must not father we must not father you must not father they must not father	I must not be fathering you must not be fathering he must not be fathering we must not be fathering you must not be fathering they must not be fathering
Perfect	V-ing perfect
I must not have fathered you must not have fathered he must not have fathered we must not have fathered you must not have fathered they must not have fathered	I must not have been fathering you must not have been fathering he must not have been fathering we must not have been fathering you must not have been fathering they must not have been fathering

Interrogative form

Simple form	V-ing form
must I father? must you father? must he father? must we father? must you father? must they father?	must I be fathering? must you be fathering? must he be fathering? must we be fathering? must you be fathering? must they be fathering?
Perfect	V-ing perfect
must I have fathered? must you have fathered? must he have fathered? must we have fathered? must you have fathered? must they have fathered?	must I have been fathering? must you have been fathering? must he have been fathering? must we have been fathering? must you have been fathering? must they have been fathering?

Interro-negative form

Simple form	V-ing form
must I not father? must you not father? must he not father? must we not father? must you not father? must they not father?	must I not be fathering? must you not be fathering? must he not be fathering? must we not be fathering? must you not be fathering? must they not be fathering?
Perfect	V-ing perfect
must I not have fathered? must you not have fathered? must he not have fathered? must we not have fathered? must you not have fathered? must they not have fathered?	must I not have been fathering? must you not have been fathering? must he not have been fathering? must we not have been fathering? must you not have been fathering? must they not have been fathering?