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