must deign
Regular verb: deign - deigned- deigned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must deign
you must deign
she must deign
we must deign
you must deign
they must deign 	I must be deigning
you must be deigning
she must be deigning
we must be deigning
you must be deigning
they must be deigning	I must have deigned
you must have deigned
she must have deigned
we must have deigned
you must have deigned
they must have deigned	I must have been deigning
you must have been deigning
she must have been deigning
we must have been deigning
you must have been deigning
they must have been deigning	

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

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