English verb conjugation
COULD RICE

Regular verb: rice - riced - riced

Affirmation

Simple form	V-ing form
I could rice you could rice he could rice we could rice you could rice they could rice	I could be ricing you could be ricing he could be ricing we could be ricing you could be ricing they could be ricing
Perfect	V-ing perfect
I could have riced you could have riced he could have riced we could have riced you could have riced they could have riced	I could have been ricing you could have been ricing he could have been ricing we could have been ricing you could have been ricing they could have been ricing

Negation

Simple form	V-ing form
I could not rice you could not rice he could not rice we could not rice you could not rice they could not rice	I could not be ricing you could not be ricing he could not be ricing we could not be ricing you could not be ricing they could not be ricing
Perfect	V-ing perfect
I could not have riced you could not have riced he could not have riced we could not have riced you could not have riced they could not have riced	I could not have been ricing you could not have been ricing he could not have been ricing we could not have been ricing you could not have been ricing they could not have been ricing

Interrogative form

Simple form	V-ing form
could I rice? could you rice? could he rice? could we rice? could you rice? could they rice?	could I be ricing? could you be ricing? could he be ricing? could we be ricing? could you be ricing? could they be ricing?
Perfect	V-ing perfect
could I have riced? could you have riced? could he have riced? could we have riced? could you have riced? could they have riced?	could I have been ricing? could you have been ricing? could he have been ricing? could we have been ricing? could you have been ricing? could they have been ricing?

Interro-negative form

Simple form	V-ing form
could I not rice? could you not rice? could he not rice? could we not rice? could you not rice? could they not rice?	could I not be ricing? could you not be ricing? could he not be ricing? could we not be ricing? could you not be ricing? could they not be ricing?
Perfect	V-ing perfect
could I not have riced? could you not have riced? could he not have riced? could we not have riced? could you not have riced? could they not have riced?	could I not have been ricing? could you not have been ricing? could he not have been ricing? could we not have been ricing? could you not have been ricing? could they not have been ricing?