English verb conjugation
COULD VICE

Regular verb: vice - viced - viced

Affirmation

Simple form	V-ing form
I could vice you could vice he could vice we could vice you could vice they could vice	I could be vicing you could be vicing he could be vicing we could be vicing you could be vicing they could be vicing
Perfect	V-ing perfect
I could have viced you could have viced he could have viced we could have viced you could have viced they could have viced	I could have been vicing you could have been vicing he could have been vicing we could have been vicing you could have been vicing they could have been vicing

Negation

Simple form	V-ing form
I couldn't vice you couldn't vice he couldn't vice we couldn't vice you couldn't vice they couldn't vice	I couldn't be vicing you couldn't be vicing he couldn't be vicing we couldn't be vicing you couldn't be vicing they couldn't be vicing
Perfect	V-ing perfect
I couldn't have viced you couldn't have viced he couldn't have viced we couldn't have viced you couldn't have viced they couldn't have viced	I couldn't have been vicing you couldn't have been vicing he couldn't have been vicing we couldn't have been vicing you couldn't have been vicing they couldn't have been vicing

Interrogative form

Simple form	V-ing form
could I vice? could you vice? could he vice? could we vice? could you vice? could they vice?	could I be vicing? could you be vicing? could he be vicing? could we be vicing? could you be vicing? could they be vicing?
Perfect	V-ing perfect
could I have viced? could you have viced? could he have viced? could we have viced? could you have viced? could they have viced?	could I have been vicing? could you have been vicing? could he have been vicing? could we have been vicing? could you have been vicing? could they have been vicing?

Interro-negative form

Simple form	V-ing form
couldn't I vice? couldn't you vice? couldn't he vice? couldn't we vice? couldn't you vice? couldn't they vice?	couldn't I be vicing? couldn't you be vicing? couldn't he be vicing? couldn't we be vicing? couldn't you be vicing? couldn't they be vicing?
Perfect	V-ing perfect
couldn't I have viced? couldn't you have viced? couldn't he have viced? couldn't we have viced? couldn't you have viced? couldn't they have viced?	couldn't I have been vicing? couldn't you have been vicing? couldn't he have been vicing? couldn't we have been vicing? couldn't you have been vicing? couldn't they have been vicing?