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