English verb conjugation
MAY VOW

Regular verb: vow - vowed - vowed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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