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