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 couldn't rice you couldn't rice he couldn't rice we couldn't rice you couldn't rice they couldn't rice	I couldn't be ricing you couldn't be ricing he couldn't be ricing we couldn't be ricing you couldn't be ricing they couldn't be ricing
Perfect	V-ing perfect
I couldn't have riced you couldn't have riced he couldn't have riced we couldn't have riced you couldn't have riced they couldn't have riced	I couldn't have been ricing you couldn't have been ricing he couldn't have been ricing we couldn't have been ricing you couldn't have been ricing they couldn't 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
couldn't I rice? couldn't you rice? couldn't he rice? couldn't we rice? couldn't you rice? couldn't they rice?	couldn't I be ricing? couldn't you be ricing? couldn't he be ricing? couldn't we be ricing? couldn't you be ricing? couldn't they be ricing?
Perfect	V-ing perfect
couldn't I have riced? couldn't you have riced? couldn't he have riced? couldn't we have riced? couldn't you have riced? couldn't they have riced?	couldn't I have been ricing? couldn't you have been ricing? couldn't he have been ricing? couldn't we have been ricing? couldn't you have been ricing? couldn't they have been ricing?