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