English verb conjugation
COULD VOUCHSAFE

Regular verb: vouchsafe - vouchsafed - vouchsafed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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