may vouchsafe
Regular verb: vouchsafe - vouchsafed- vouchsafed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may vouchsafe
you may vouchsafe
he may vouchsafe
we may vouchsafe
you may vouchsafe
they may vouchsafe 	I may be vouchsafing
you may be vouchsafing
he may be vouchsafing
we may be vouchsafing
you may be vouchsafing
they may be vouchsafing	I may have vouchsafed
you may have vouchsafed
he 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
he 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 may not vouchsafe
you may not vouchsafe
he may not vouchsafe
we may not vouchsafe
you may not vouchsafe
they may not vouchsafe 	I may not be vouchsafing
you may not be vouchsafing
he may not be vouchsafing
we may not be vouchsafing
you may not be vouchsafing
they may not be vouchsafing	I may not have vouchsafed
you may not have vouchsafed
he may not have vouchsafed
we may not have vouchsafed
you may not have vouchsafed
they may not have vouchsafed	I may not have been vouchsafing
you may not have been vouchsafing
he may not have been vouchsafing
we may not have been vouchsafing
you may not have been vouchsafing
they may not have been vouchsafing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I vouchsafe?
may you vouchsafe?
may he vouchsafe?
may we vouchsafe?
may you vouchsafe?
may they vouchsafe? 	may I be vouchsafing?
may you be vouchsafing?
may he be vouchsafing?
may we be vouchsafing?
may you be vouchsafing?
may they be vouchsafing? 	may I have vouchsafed?
may you have vouchsafed?
may he 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 he 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 	
may I not vouchsafe?
may you not vouchsafe?
may he not vouchsafe?
may we not vouchsafe?
may you not vouchsafe?
may they not vouchsafe? 	may I not be vouchsafing?
may you not be vouchsafing?
may he not be vouchsafing?
may we not be vouchsafing?
may you not be vouchsafing?
may they not be vouchsafing? 	may I not have vouchsafed?
may you not have vouchsafed?
may he not have vouchsafed?
may we not have vouchsafed?
may you not have vouchsafed?
may they not have vouchsafed? 	may I not have been vouchsafing?
may you not have been vouchsafing?
may he not have been vouchsafing?
may we not have been vouchsafing?
may you not have been vouchsafing?
may they not have been vouchsafing?