English verb conjugation
CAN WIDOW

Regular verb: widow - widowed - widowed

Affirmation

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

Negation

Simple form	V-ing form
I can't widow you can't widow he can't widow we can't widow you can't widow they can't widow	I can't be widowing you can't be widowing he can't be widowing we can't be widowing you can't be widowing they can't be widowing
Perfect	V-ing perfect
I can't have widowed you can't have widowed he can't have widowed we can't have widowed you can't have widowed they can't have widowed	I can't have been widowing you can't have been widowing he can't have been widowing we can't have been widowing you can't have been widowing they can't have been widowing

Interrogative form

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

Interro-negative form

Simple form	V-ing form
can't I widow? can't you widow? can't he widow? can't we widow? can't you widow? can't they widow?	can't I be widowing? can't you be widowing? can't he be widowing? can't we be widowing? can't you be widowing? can't they be widowing?
Perfect	V-ing perfect
can't I have widowed? can't you have widowed? can't he have widowed? can't we have widowed? can't you have widowed? can't they have widowed?	can't I have been widowing? can't you have been widowing? can't he have been widowing? can't we have been widowing? can't you have been widowing? can't they have been widowing?