English verb conjugation
CAN VOW

Regular verb: vow - vowed - vowed

Affirmation

Simple form	V-ing form
I can vow you can vow he can vow we can vow you can vow they can vow	I can be vowing you can be vowing he can be vowing we can be vowing you can be vowing they can be vowing
Perfect	V-ing perfect
I can have vowed you can have vowed he can have vowed we can have vowed you can have vowed they can have vowed	I can have been vowing you can have been vowing he can have been vowing we can have been vowing you can have been vowing they can have been vowing

Negation

Simple form	V-ing form
I can't vow you can't vow he can't vow we can't vow you can't vow they can't vow	I can't be vowing you can't be vowing he can't be vowing we can't be vowing you can't be vowing they can't be vowing
Perfect	V-ing perfect
I can't have vowed you can't have vowed he can't have vowed we can't have vowed you can't have vowed they can't have vowed	I can't have been vowing you can't have been vowing he can't have been vowing we can't have been vowing you can't have been vowing they can't have been vowing

Interrogative form

Simple form	V-ing form
can I vow? can you vow? can he vow? can we vow? can you vow? can they vow?	can I be vowing? can you be vowing? can he be vowing? can we be vowing? can you be vowing? can they be vowing?
Perfect	V-ing perfect
can I have vowed? can you have vowed? can he have vowed? can we have vowed? can you have vowed? can they have vowed?	can I have been vowing? can you have been vowing? can he have been vowing? can we have been vowing? can you have been vowing? can they have been vowing?

Interro-negative form

Simple form	V-ing form
can't I vow? can't you vow? can't he vow? can't we vow? can't you vow? can't they vow?	can't I be vowing? can't you be vowing? can't he be vowing? can't we be vowing? can't you be vowing? can't they be vowing?
Perfect	V-ing perfect
can't I have vowed? can't you have vowed? can't he have vowed? can't we have vowed? can't you have vowed? can't they have vowed?	can't I have been vowing? can't you have been vowing? can't he have been vowing? can't we have been vowing? can't you have been vowing? can't they have been vowing?