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