I could distribute you could distribute she could distribute we could distribute you could distribute they could distribute
V-ing form
I could be distributing you could be distributing she could be distributing we could be distributing you could be distributing they could be distributing
Perfect
I could have distributed you could have distributed she could have distributed we could have distributed you could have distributed they could have distributed
V-ing perfect
I could have been distributing you could have been distributing she could have been distributing we could have been distributing you could have been distributing they could have been distributing
Negation
Simple form
I couldn't distribute you couldn't distribute she couldn't distribute we couldn't distribute you couldn't distribute they couldn't distribute
V-ing form
I couldn't be distributing you couldn't be distributing she couldn't be distributing we couldn't be distributing you couldn't be distributing they couldn't be distributing
Perfect
I couldn't have distributed you couldn't have distributed she couldn't have distributed we couldn't have distributed you couldn't have distributed they couldn't have distributed
V-ing perfect
I couldn't have been distributing you couldn't have been distributing she couldn't have been distributing we couldn't have been distributing you couldn't have been distributing they couldn't have been distributing
Interrogative form
Simple form
could I distribute? could you distribute? could she distribute? could we distribute? could you distribute? could they distribute?
V-ing form
could I be distributing? could you be distributing? could she be distributing? could we be distributing? could you be distributing? could they be distributing?
Perfect
could I have distributed? could you have distributed? could she have distributed? could we have distributed? could you have distributed? could they have distributed?
V-ing perfect
could I have been distributing? could you have been distributing? could she have been distributing? could we have been distributing? could you have been distributing? could they have been distributing?
Interro-negative form
Simple form
couldn't I distribute? couldn't you distribute? couldn't she distribute? couldn't we distribute? couldn't you distribute? couldn't they distribute?
V-ing form
couldn't I be distributing? couldn't you be distributing? couldn't she be distributing? couldn't we be distributing? couldn't you be distributing? couldn't they be distributing?
Perfect
couldn't I have distributed? couldn't you have distributed? couldn't she have distributed? couldn't we have distributed? couldn't you have distributed? couldn't they have distributed?
V-ing perfect
couldn't I have been distributing? couldn't you have been distributing? couldn't she have been distributing? couldn't we have been distributing? couldn't you have been distributing? couldn't they have been distributing?