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