I must cannibalise you must cannibalise he must cannibalise we must cannibalise you must cannibalise they must cannibalise
V-ing form
I must be cannibalising you must be cannibalising he must be cannibalising we must be cannibalising you must be cannibalising they must be cannibalising
Perfect
I must have cannibalised you must have cannibalised he must have cannibalised we must have cannibalised you must have cannibalised they must have cannibalised
V-ing perfect
I must have been cannibalising you must have been cannibalising he must have been cannibalising we must have been cannibalising you must have been cannibalising they must have been cannibalising
Negation
Simple form
I mustn't cannibalise you mustn't cannibalise he mustn't cannibalise we mustn't cannibalise you mustn't cannibalise they mustn't cannibalise
V-ing form
I mustn't be cannibalising you mustn't be cannibalising he mustn't be cannibalising we mustn't be cannibalising you mustn't be cannibalising they mustn't be cannibalising
Perfect
I mustn't have cannibalised you mustn't have cannibalised he mustn't have cannibalised we mustn't have cannibalised you mustn't have cannibalised they mustn't have cannibalised
V-ing perfect
I mustn't have been cannibalising you mustn't have been cannibalising he mustn't have been cannibalising we mustn't have been cannibalising you mustn't have been cannibalising they mustn't have been cannibalising
Interrogative form
Simple form
must I cannibalise? must you cannibalise? must he cannibalise? must we cannibalise? must you cannibalise? must they cannibalise?
V-ing form
must I be cannibalising? must you be cannibalising? must he be cannibalising? must we be cannibalising? must you be cannibalising? must they be cannibalising?
Perfect
must I have cannibalised? must you have cannibalised? must he have cannibalised? must we have cannibalised? must you have cannibalised? must they have cannibalised?
V-ing perfect
must I have been cannibalising? must you have been cannibalising? must he have been cannibalising? must we have been cannibalising? must you have been cannibalising? must they have been cannibalising?
Interro-negative form
Simple form
mustn't I cannibalise? mustn't you cannibalise? mustn't he cannibalise? mustn't we cannibalise? mustn't you cannibalise? mustn't they cannibalise?
V-ing form
mustn't I be cannibalising? mustn't you be cannibalising? mustn't he be cannibalising? mustn't we be cannibalising? mustn't you be cannibalising? mustn't they be cannibalising?
Perfect
mustn't I have cannibalised? mustn't you have cannibalised? mustn't he have cannibalised? mustn't we have cannibalised? mustn't you have cannibalised? mustn't they have cannibalised?
V-ing perfect
mustn't I have been cannibalising? mustn't you have been cannibalising? mustn't he have been cannibalising? mustn't we have been cannibalising? mustn't you have been cannibalising? mustn't they have been cannibalising?