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