English verb conjugation
COULD URINATE

Regular verb: urinate - urinated - urinated

Affirmation

Simple form	V-ing form
I could urinate you could urinate he could urinate we could urinate you could urinate they could urinate	I could be urinating you could be urinating he could be urinating we could be urinating you could be urinating they could be urinating
Perfect	V-ing perfect
I could have urinated you could have urinated he could have urinated we could have urinated you could have urinated they could have urinated	I could have been urinating you could have been urinating he could have been urinating we could have been urinating you could have been urinating they could have been urinating

Negation

Simple form	V-ing form
I couldn't urinate you couldn't urinate he couldn't urinate we couldn't urinate you couldn't urinate they couldn't urinate	I couldn't be urinating you couldn't be urinating he couldn't be urinating we couldn't be urinating you couldn't be urinating they couldn't be urinating
Perfect	V-ing perfect
I couldn't have urinated you couldn't have urinated he couldn't have urinated we couldn't have urinated you couldn't have urinated they couldn't have urinated	I couldn't have been urinating you couldn't have been urinating he couldn't have been urinating we couldn't have been urinating you couldn't have been urinating they couldn't have been urinating

Interrogative form

Simple form	V-ing form
could I urinate? could you urinate? could he urinate? could we urinate? could you urinate? could they urinate?	could I be urinating? could you be urinating? could he be urinating? could we be urinating? could you be urinating? could they be urinating?
Perfect	V-ing perfect
could I have urinated? could you have urinated? could he have urinated? could we have urinated? could you have urinated? could they have urinated?	could I have been urinating? could you have been urinating? could he have been urinating? could we have been urinating? could you have been urinating? could they have been urinating?

Interro-negative form

Simple form	V-ing form
couldn't I urinate? couldn't you urinate? couldn't he urinate? couldn't we urinate? couldn't you urinate? couldn't they urinate?	couldn't I be urinating? couldn't you be urinating? couldn't he be urinating? couldn't we be urinating? couldn't you be urinating? couldn't they be urinating?
Perfect	V-ing perfect
couldn't I have urinated? couldn't you have urinated? couldn't he have urinated? couldn't we have urinated? couldn't you have urinated? couldn't they have urinated?	couldn't I have been urinating? couldn't you have been urinating? couldn't he have been urinating? couldn't we have been urinating? couldn't you have been urinating? couldn't they have been urinating?