could vice
Regular verb: vice - viced- viced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
I could not vice
you could not vice
he could not vice
we could not vice
you could not vice
they could not vice 	I could not be vicing
you could not be vicing
he could not be vicing
we could not be vicing
you could not be vicing
they could not be vicing	I could not have viced
you could not have viced
he could not have viced
we could not have viced
you could not have viced
they could not have viced	I could not have been vicing
you could not have been vicing
he could not have been vicing
we could not have been vicing
you could not have been vicing
they could not have been vicing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
could I not vice?
could you not vice?
could he not vice?
could we not vice?
could you not vice?
could they not vice? 	could I not be vicing?
could you not be vicing?
could he not be vicing?
could we not be vicing?
could you not be vicing?
could they not be vicing? 	could I not have viced?
could you not have viced?
could he not have viced?
could we not have viced?
could you not have viced?
could they not have viced? 	could I not have been vicing?
could you not have been vicing?
could he not have been vicing?
could we not have been vicing?
could you not have been vicing?
could they not have been vicing?