I could jaundice you could jaundice he could jaundice we could jaundice you could jaundice they could jaundice
V-ing form
I could be jaundicing you could be jaundicing he could be jaundicing we could be jaundicing you could be jaundicing they could be jaundicing
Perfect
I could have jaundiced you could have jaundiced he could have jaundiced we could have jaundiced you could have jaundiced they could have jaundiced
V-ing perfect
I could have been jaundicing you could have been jaundicing he could have been jaundicing we could have been jaundicing you could have been jaundicing they could have been jaundicing
Negation
Simple form
I could not jaundice you could not jaundice he could not jaundice we could not jaundice you could not jaundice they could not jaundice
V-ing form
I could not be jaundicing you could not be jaundicing he could not be jaundicing we could not be jaundicing you could not be jaundicing they could not be jaundicing
Perfect
I could not have jaundiced you could not have jaundiced he could not have jaundiced we could not have jaundiced you could not have jaundiced they could not have jaundiced
V-ing perfect
I could not have been jaundicing you could not have been jaundicing he could not have been jaundicing we could not have been jaundicing you could not have been jaundicing they could not have been jaundicing
Interrogative form
Simple form
could I jaundice? could you jaundice? could he jaundice? could we jaundice? could you jaundice? could they jaundice?
V-ing form
could I be jaundicing? could you be jaundicing? could he be jaundicing? could we be jaundicing? could you be jaundicing? could they be jaundicing?
Perfect
could I have jaundiced? could you have jaundiced? could he have jaundiced? could we have jaundiced? could you have jaundiced? could they have jaundiced?
V-ing perfect
could I have been jaundicing? could you have been jaundicing? could he have been jaundicing? could we have been jaundicing? could you have been jaundicing? could they have been jaundicing?
Interro-negative form
Simple form
could I not jaundice? could you not jaundice? could he not jaundice? could we not jaundice? could you not jaundice? could they not jaundice?
V-ing form
could I not be jaundicing? could you not be jaundicing? could he not be jaundicing? could we not be jaundicing? could you not be jaundicing? could they not be jaundicing?
Perfect
could I not have jaundiced? could you not have jaundiced? could he not have jaundiced? could we not have jaundiced? could you not have jaundiced? could they not have jaundiced?
V-ing perfect
could I not have been jaundicing? could you not have been jaundicing? could he not have been jaundicing? could we not have been jaundicing? could you not have been jaundicing? could they not have been jaundicing?