I could canalise you could canalise she could canalise we could canalise you could canalise they could canalise
V-ing form
I could be canalising you could be canalising she could be canalising we could be canalising you could be canalising they could be canalising
Perfect
I could have canalised you could have canalised she could have canalised we could have canalised you could have canalised they could have canalised
V-ing perfect
I could have been canalising you could have been canalising she could have been canalising we could have been canalising you could have been canalising they could have been canalising
Negation
Simple form
I could not canalise you could not canalise she could not canalise we could not canalise you could not canalise they could not canalise
V-ing form
I could not be canalising you could not be canalising she could not be canalising we could not be canalising you could not be canalising they could not be canalising
Perfect
I could not have canalised you could not have canalised she could not have canalised we could not have canalised you could not have canalised they could not have canalised
V-ing perfect
I could not have been canalising you could not have been canalising she could not have been canalising we could not have been canalising you could not have been canalising they could not have been canalising
Interrogative form
Simple form
could I canalise? could you canalise? could she canalise? could we canalise? could you canalise? could they canalise?
V-ing form
could I be canalising? could you be canalising? could she be canalising? could we be canalising? could you be canalising? could they be canalising?
Perfect
could I have canalised? could you have canalised? could she have canalised? could we have canalised? could you have canalised? could they have canalised?
V-ing perfect
could I have been canalising? could you have been canalising? could she have been canalising? could we have been canalising? could you have been canalising? could they have been canalising?
Interro-negative form
Simple form
could I not canalise? could you not canalise? could she not canalise? could we not canalise? could you not canalise? could they not canalise?
V-ing form
could I not be canalising? could you not be canalising? could she not be canalising? could we not be canalising? could you not be canalising? could they not be canalising?
Perfect
could I not have canalised? could you not have canalised? could she not have canalised? could we not have canalised? could you not have canalised? could they not have canalised?
V-ing perfect
could I not have been canalising? could you not have been canalising? could she not have been canalising? could we not have been canalising? could you not have been canalising? could they not have been canalising?