I could badinage you could badinage she could badinage we could badinage you could badinage they could badinage
V-ing form
I could be badinaging you could be badinaging she could be badinaging we could be badinaging you could be badinaging they could be badinaging
Perfect
I could have badinaged you could have badinaged she 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 she could have been badinaging we could have been badinaging you could have been badinaging they could have been badinaging
Negation
Simple form
I couldn't badinage you couldn't badinage she couldn't badinage we couldn't badinage you couldn't badinage they couldn't badinage
V-ing form
I couldn't be badinaging you couldn't be badinaging she couldn't be badinaging we couldn't be badinaging you couldn't be badinaging they couldn't be badinaging
Perfect
I couldn't have badinaged you couldn't have badinaged she couldn't have badinaged we couldn't have badinaged you couldn't have badinaged they couldn't have badinaged
V-ing perfect
I couldn't have been badinaging you couldn't have been badinaging she couldn't have been badinaging we couldn't have been badinaging you couldn't have been badinaging they couldn't have been badinaging
Interrogative form
Simple form
could I badinage? could you badinage? could she badinage? could we badinage? could you badinage? could they badinage?
V-ing form
could I be badinaging? could you be badinaging? could she be badinaging? could we be badinaging? could you be badinaging? could they be badinaging?
Perfect
could I have badinaged? could you have badinaged? could she 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 she have been badinaging? could we have been badinaging? could you have been badinaging? could they have been badinaging?
Interro-negative form
Simple form
couldn't I badinage? couldn't you badinage? couldn't she badinage? couldn't we badinage? couldn't you badinage? couldn't they badinage?
V-ing form
couldn't I be badinaging? couldn't you be badinaging? couldn't she be badinaging? couldn't we be badinaging? couldn't you be badinaging? couldn't they be badinaging?
Perfect
couldn't I have badinaged? couldn't you have badinaged? couldn't she have badinaged? couldn't we have badinaged? couldn't you have badinaged? couldn't they have badinaged?
V-ing perfect
couldn't I have been badinaging? couldn't you have been badinaging? couldn't she have been badinaging? couldn't we have been badinaging? couldn't you have been badinaging? couldn't they have been badinaging?