English verb conjugation
CAN VOUCHSAFE

Regular verb: vouchsafe - vouchsafed - vouchsafed

Affirmation

Simple form	V-ing form
I can vouchsafe you can vouchsafe he can vouchsafe we can vouchsafe you can vouchsafe they can vouchsafe	I can be vouchsafing you can be vouchsafing he can be vouchsafing we can be vouchsafing you can be vouchsafing they can be vouchsafing
Perfect	V-ing perfect
I can have vouchsafed you can have vouchsafed he can have vouchsafed we can have vouchsafed you can have vouchsafed they can have vouchsafed	I can have been vouchsafing you can have been vouchsafing he can have been vouchsafing we can have been vouchsafing you can have been vouchsafing they can have been vouchsafing

Negation

Simple form	V-ing form
I can't vouchsafe you can't vouchsafe he can't vouchsafe we can't vouchsafe you can't vouchsafe they can't vouchsafe	I can't be vouchsafing you can't be vouchsafing he can't be vouchsafing we can't be vouchsafing you can't be vouchsafing they can't be vouchsafing
Perfect	V-ing perfect
I can't have vouchsafed you can't have vouchsafed he can't have vouchsafed we can't have vouchsafed you can't have vouchsafed they can't have vouchsafed	I can't have been vouchsafing you can't have been vouchsafing he can't have been vouchsafing we can't have been vouchsafing you can't have been vouchsafing they can't have been vouchsafing

Interrogative form

Simple form	V-ing form
can I vouchsafe? can you vouchsafe? can he vouchsafe? can we vouchsafe? can you vouchsafe? can they vouchsafe?	can I be vouchsafing? can you be vouchsafing? can he be vouchsafing? can we be vouchsafing? can you be vouchsafing? can they be vouchsafing?
Perfect	V-ing perfect
can I have vouchsafed? can you have vouchsafed? can he have vouchsafed? can we have vouchsafed? can you have vouchsafed? can they have vouchsafed?	can I have been vouchsafing? can you have been vouchsafing? can he have been vouchsafing? can we have been vouchsafing? can you have been vouchsafing? can they have been vouchsafing?

Interro-negative form

Simple form	V-ing form
can't I vouchsafe? can't you vouchsafe? can't he vouchsafe? can't we vouchsafe? can't you vouchsafe? can't they vouchsafe?	can't I be vouchsafing? can't you be vouchsafing? can't he be vouchsafing? can't we be vouchsafing? can't you be vouchsafing? can't they be vouchsafing?
Perfect	V-ing perfect
can't I have vouchsafed? can't you have vouchsafed? can't he have vouchsafed? can't we have vouchsafed? can't you have vouchsafed? can't they have vouchsafed?	can't I have been vouchsafing? can't you have been vouchsafing? can't he have been vouchsafing? can't we have been vouchsafing? can't you have been vouchsafing? can't they have been vouchsafing?