I must apportion you must apportion she must apportion we must apportion you must apportion they must apportion
V-ing form
I must be apportioning you must be apportioning she must be apportioning we must be apportioning you must be apportioning they must be apportioning
Perfect
I must have apportioned you must have apportioned she must have apportioned we must have apportioned you must have apportioned they must have apportioned
V-ing perfect
I must have been apportioning you must have been apportioning she must have been apportioning we must have been apportioning you must have been apportioning they must have been apportioning
Negation
Simple form
I mustn't apportion you mustn't apportion she mustn't apportion we mustn't apportion you mustn't apportion they mustn't apportion
V-ing form
I mustn't be apportioning you mustn't be apportioning she mustn't be apportioning we mustn't be apportioning you mustn't be apportioning they mustn't be apportioning
Perfect
I mustn't have apportioned you mustn't have apportioned she mustn't have apportioned we mustn't have apportioned you mustn't have apportioned they mustn't have apportioned
V-ing perfect
I mustn't have been apportioning you mustn't have been apportioning she mustn't have been apportioning we mustn't have been apportioning you mustn't have been apportioning they mustn't have been apportioning
Interrogative form
Simple form
must I apportion? must you apportion? must she apportion? must we apportion? must you apportion? must they apportion?
V-ing form
must I be apportioning? must you be apportioning? must she be apportioning? must we be apportioning? must you be apportioning? must they be apportioning?
Perfect
must I have apportioned? must you have apportioned? must she have apportioned? must we have apportioned? must you have apportioned? must they have apportioned?
V-ing perfect
must I have been apportioning? must you have been apportioning? must she have been apportioning? must we have been apportioning? must you have been apportioning? must they have been apportioning?
Interro-negative form
Simple form
mustn't I apportion? mustn't you apportion? mustn't she apportion? mustn't we apportion? mustn't you apportion? mustn't they apportion?
V-ing form
mustn't I be apportioning? mustn't you be apportioning? mustn't she be apportioning? mustn't we be apportioning? mustn't you be apportioning? mustn't they be apportioning?
Perfect
mustn't I have apportioned? mustn't you have apportioned? mustn't she have apportioned? mustn't we have apportioned? mustn't you have apportioned? mustn't they have apportioned?
V-ing perfect
mustn't I have been apportioning? mustn't you have been apportioning? mustn't she have been apportioning? mustn't we have been apportioning? mustn't you have been apportioning? mustn't they have been apportioning?