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