I could canalize you could canalize he could canalize we could canalize you could canalize they could canalize
V-ing form
I could be canalizing you could be canalizing he could be canalizing we could be canalizing you could be canalizing they could be canalizing
Perfect
I could have canalized you could have canalized he could have canalized we could have canalized you could have canalized they could have canalized
V-ing perfect
I could have been canalizing you could have been canalizing he could have been canalizing we could have been canalizing you could have been canalizing they could have been canalizing
Negation
Simple form
I could not canalize you could not canalize he could not canalize we could not canalize you could not canalize they could not canalize
V-ing form
I could not be canalizing you could not be canalizing he could not be canalizing we could not be canalizing you could not be canalizing they could not be canalizing
Perfect
I could not have canalized you could not have canalized he could not have canalized we could not have canalized you could not have canalized they could not have canalized
V-ing perfect
I could not have been canalizing you could not have been canalizing he could not have been canalizing we could not have been canalizing you could not have been canalizing they could not have been canalizing
Interrogative form
Simple form
could I canalize? could you canalize? could he canalize? could we canalize? could you canalize? could they canalize?
V-ing form
could I be canalizing? could you be canalizing? could he be canalizing? could we be canalizing? could you be canalizing? could they be canalizing?
Perfect
could I have canalized? could you have canalized? could he have canalized? could we have canalized? could you have canalized? could they have canalized?
V-ing perfect
could I have been canalizing? could you have been canalizing? could he have been canalizing? could we have been canalizing? could you have been canalizing? could they have been canalizing?
Interro-negative form
Simple form
could I not canalize? could you not canalize? could he not canalize? could we not canalize? could you not canalize? could they not canalize?
V-ing form
could I not be canalizing? could you not be canalizing? could he not be canalizing? could we not be canalizing? could you not be canalizing? could they not be canalizing?
Perfect
could I not have canalized? could you not have canalized? could he not have canalized? could we not have canalized? could you not have canalized? could they not have canalized?
V-ing perfect
could I not have been canalizing? could you not have been canalizing? could he not have been canalizing? could we not have been canalizing? could you not have been canalizing? could they not have been canalizing?