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