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