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