may vouchsafe
Regular verb: vouchsafe - vouchsafed- vouchsafed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may vouchsafe
you may vouchsafe
she may vouchsafe
we may vouchsafe
you may vouchsafe
they may vouchsafe 	I may be vouchsafing
you may be vouchsafing
she may be vouchsafing
we may be vouchsafing
you may be vouchsafing
they may be vouchsafing	I may have vouchsafed
you may have vouchsafed
she may have vouchsafed
we may have vouchsafed
you may have vouchsafed
they may have vouchsafed	I may have been vouchsafing
you may have been vouchsafing
she may have been vouchsafing
we may have been vouchsafing
you may have been vouchsafing
they may have been vouchsafing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't vouchsafe
you mayn't vouchsafe
she mayn't vouchsafe
we mayn't vouchsafe
you mayn't vouchsafe
they mayn't vouchsafe 	I mayn't be vouchsafing
you mayn't be vouchsafing
she mayn't be vouchsafing
we mayn't be vouchsafing
you mayn't be vouchsafing
they mayn't be vouchsafing	I mayn't have vouchsafed
you mayn't have vouchsafed
she mayn't have vouchsafed
we mayn't have vouchsafed
you mayn't have vouchsafed
they mayn't have vouchsafed	I mayn't have been vouchsafing
you mayn't have been vouchsafing
she mayn't have been vouchsafing
we mayn't have been vouchsafing
you mayn't have been vouchsafing
they mayn't have been vouchsafing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I vouchsafe?
may you vouchsafe?
may she vouchsafe?
may we vouchsafe?
may you vouchsafe?
may they vouchsafe? 	may I be vouchsafing?
may you be vouchsafing?
may she be vouchsafing?
may we be vouchsafing?
may you be vouchsafing?
may they be vouchsafing? 	may I have vouchsafed?
may you have vouchsafed?
may she have vouchsafed?
may we have vouchsafed?
may you have vouchsafed?
may they have vouchsafed? 	may I have been vouchsafing?
may you have been vouchsafing?
may she have been vouchsafing?
may we have been vouchsafing?
may you have been vouchsafing?
may they have been vouchsafing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I vouchsafe?
mayn't you vouchsafe?
mayn't she vouchsafe?
mayn't we vouchsafe?
mayn't you vouchsafe?
mayn't they vouchsafe? 	mayn't I be vouchsafing?
mayn't you be vouchsafing?
mayn't she be vouchsafing?
mayn't we be vouchsafing?
mayn't you be vouchsafing?
mayn't they be vouchsafing? 	mayn't I have vouchsafed?
mayn't you have vouchsafed?
mayn't she have vouchsafed?
mayn't we have vouchsafed?
mayn't you have vouchsafed?
mayn't they have vouchsafed? 	mayn't I have been vouchsafing?
mayn't you have been vouchsafing?
mayn't she have been vouchsafing?
mayn't we have been vouchsafing?
mayn't you have been vouchsafing?
mayn't they have been vouchsafing?