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