I could urge you could urge he could urge we could urge you could urge they could urge
V-ing form
I could be urging you could be urging he could be urging we could be urging you could be urging they could be urging
Perfect
I could have urged you could have urged he could have urged we could have urged you could have urged they could have urged
V-ing perfect
I could have been urging you could have been urging he could have been urging we could have been urging you could have been urging they could have been urging
Negation
Simple form
I couldn't urge you couldn't urge he couldn't urge we couldn't urge you couldn't urge they couldn't urge
V-ing form
I couldn't be urging you couldn't be urging he couldn't be urging we couldn't be urging you couldn't be urging they couldn't be urging
Perfect
I couldn't have urged you couldn't have urged he couldn't have urged we couldn't have urged you couldn't have urged they couldn't have urged
V-ing perfect
I couldn't have been urging you couldn't have been urging he couldn't have been urging we couldn't have been urging you couldn't have been urging they couldn't have been urging
Interrogative form
Simple form
could I urge? could you urge? could he urge? could we urge? could you urge? could they urge?
V-ing form
could I be urging? could you be urging? could he be urging? could we be urging? could you be urging? could they be urging?
Perfect
could I have urged? could you have urged? could he have urged? could we have urged? could you have urged? could they have urged?
V-ing perfect
could I have been urging? could you have been urging? could he have been urging? could we have been urging? could you have been urging? could they have been urging?
Interro-negative form
Simple form
couldn't I urge? couldn't you urge? couldn't he urge? couldn't we urge? couldn't you urge? couldn't they urge?
V-ing form
couldn't I be urging? couldn't you be urging? couldn't he be urging? couldn't we be urging? couldn't you be urging? couldn't they be urging?
Perfect
couldn't I have urged? couldn't you have urged? couldn't he have urged? couldn't we have urged? couldn't you have urged? couldn't they have urged?
V-ing perfect
couldn't I have been urging? couldn't you have been urging? couldn't he have been urging? couldn't we have been urging? couldn't you have been urging? couldn't they have been urging?