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