English verb conjugation
MUST WIDOW

Regular verb: widow - widowed - widowed

Affirmation

Simple form	V-ing form
I must widow you must widow he must widow we must widow you must widow they must widow	I must be widowing you must be widowing he must be widowing we must be widowing you must be widowing they must be widowing
Perfect	V-ing perfect
I must have widowed you must have widowed he must have widowed we must have widowed you must have widowed they must have widowed	I must have been widowing you must have been widowing he must have been widowing we must have been widowing you must have been widowing they must have been widowing

Negation

Simple form	V-ing form
I must not widow you must not widow he must not widow we must not widow you must not widow they must not widow	I must not be widowing you must not be widowing he must not be widowing we must not be widowing you must not be widowing they must not be widowing
Perfect	V-ing perfect
I must not have widowed you must not have widowed he must not have widowed we must not have widowed you must not have widowed they must not have widowed	I must not have been widowing you must not have been widowing he must not have been widowing we must not have been widowing you must not have been widowing they must not have been widowing

Interrogative form

Simple form	V-ing form
must I widow? must you widow? must he widow? must we widow? must you widow? must they widow?	must I be widowing? must you be widowing? must he be widowing? must we be widowing? must you be widowing? must they be widowing?
Perfect	V-ing perfect
must I have widowed? must you have widowed? must he have widowed? must we have widowed? must you have widowed? must they have widowed?	must I have been widowing? must you have been widowing? must he have been widowing? must we have been widowing? must you have been widowing? must they have been widowing?

Interro-negative form

Simple form	V-ing form
must I not widow? must you not widow? must he not widow? must we not widow? must you not widow? must they not widow?	must I not be widowing? must you not be widowing? must he not be widowing? must we not be widowing? must you not be widowing? must they not be widowing?
Perfect	V-ing perfect
must I not have widowed? must you not have widowed? must he not have widowed? must we not have widowed? must you not have widowed? must they not have widowed?	must I not have been widowing? must you not have been widowing? must he not have been widowing? must we not have been widowing? must you not have been widowing? must they not have been widowing?