I can urinate you can urinate he can urinate we can urinate you can urinate they can urinate
V-ing form
I can be urinating you can be urinating he can be urinating we can be urinating you can be urinating they can be urinating
Perfect
I can have urinated you can have urinated he can have urinated we can have urinated you can have urinated they can have urinated
V-ing perfect
I can have been urinating you can have been urinating he can have been urinating we can have been urinating you can have been urinating they can have been urinating
Negation
Simple form
I can't urinate you can't urinate he can't urinate we can't urinate you can't urinate they can't urinate
V-ing form
I can't be urinating you can't be urinating he can't be urinating we can't be urinating you can't be urinating they can't be urinating
Perfect
I can't have urinated you can't have urinated he can't have urinated we can't have urinated you can't have urinated they can't have urinated
V-ing perfect
I can't have been urinating you can't have been urinating he can't have been urinating we can't have been urinating you can't have been urinating they can't have been urinating
Interrogative form
Simple form
can I urinate? can you urinate? can he urinate? can we urinate? can you urinate? can they urinate?
V-ing form
can I be urinating? can you be urinating? can he be urinating? can we be urinating? can you be urinating? can they be urinating?
Perfect
can I have urinated? can you have urinated? can he have urinated? can we have urinated? can you have urinated? can they have urinated?
V-ing perfect
can I have been urinating? can you have been urinating? can he have been urinating? can we have been urinating? can you have been urinating? can they have been urinating?
Interro-negative form
Simple form
can't I urinate? can't you urinate? can't he urinate? can't we urinate? can't you urinate? can't they urinate?
V-ing form
can't I be urinating? can't you be urinating? can't he be urinating? can't we be urinating? can't you be urinating? can't they be urinating?
Perfect
can't I have urinated? can't you have urinated? can't he have urinated? can't we have urinated? can't you have urinated? can't they have urinated?
V-ing perfect
can't I have been urinating? can't you have been urinating? can't he have been urinating? can't we have been urinating? can't you have been urinating? can't they have been urinating?