I could badinage you could badinage he could badinage we could badinage you could badinage they could badinage
V-ing form
I could be badinaging you could be badinaging he could be badinaging we could be badinaging you could be badinaging they could be badinaging
Perfect
I could have badinaged you could have badinaged he could have badinaged we could have badinaged you could have badinaged they could have badinaged
V-ing perfect
I could have been badinaging you could have been badinaging he could have been badinaging we could have been badinaging you could have been badinaging they could have been badinaging
Negation
Simple form
I could not badinage you could not badinage he could not badinage we could not badinage you could not badinage they could not badinage
V-ing form
I could not be badinaging you could not be badinaging he could not be badinaging we could not be badinaging you could not be badinaging they could not be badinaging
Perfect
I could not have badinaged you could not have badinaged he could not have badinaged we could not have badinaged you could not have badinaged they could not have badinaged
V-ing perfect
I could not have been badinaging you could not have been badinaging he could not have been badinaging we could not have been badinaging you could not have been badinaging they could not have been badinaging
Interrogative form
Simple form
could I badinage? could you badinage? could he badinage? could we badinage? could you badinage? could they badinage?
V-ing form
could I be badinaging? could you be badinaging? could he be badinaging? could we be badinaging? could you be badinaging? could they be badinaging?
Perfect
could I have badinaged? could you have badinaged? could he have badinaged? could we have badinaged? could you have badinaged? could they have badinaged?
V-ing perfect
could I have been badinaging? could you have been badinaging? could he have been badinaging? could we have been badinaging? could you have been badinaging? could they have been badinaging?
Interro-negative form
Simple form
could I not badinage? could you not badinage? could he not badinage? could we not badinage? could you not badinage? could they not badinage?
V-ing form
could I not be badinaging? could you not be badinaging? could he not be badinaging? could we not be badinaging? could you not be badinaging? could they not be badinaging?
Perfect
could I not have badinaged? could you not have badinaged? could he not have badinaged? could we not have badinaged? could you not have badinaged? could they not have badinaged?
V-ing perfect
could I not have been badinaging? could you not have been badinaging? could he not have been badinaging? could we not have been badinaging? could you not have been badinaging? could they not have been badinaging?