English verb conjugation
COULD VICE

Regular verb: vice - viced - viced

Affirmation

Simple form	V-ing form
I could vice you could vice she could vice we could vice you could vice they could vice	I could be vicing you could be vicing she 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 she 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 she 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 she 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 she 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 she 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 she 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 she vice? could we vice? could you vice? could they vice?	could I be vicing? could you be vicing? could she 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 she 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 she 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 she 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 she 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 she 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 she have been vicing? couldn't we have been vicing? couldn't you have been vicing? couldn't they have been vicing?