must deal
Irregular verb: deal - dealt- dealt

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must deal
you must deal
she must deal
we must deal
you must deal
they must deal 	I must be dealing
you must be dealing
she must be dealing
we must be dealing
you must be dealing
they must be dealing	I must have dealt
you must have dealt
she must have dealt
we must have dealt
you must have dealt
they must have dealt	I must have been dealing
you must have been dealing
she must have been dealing
we must have been dealing
you must have been dealing
they must have been dealing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't deal
you mustn't deal
she mustn't deal
we mustn't deal
you mustn't deal
they mustn't deal 	I mustn't be dealing
you mustn't be dealing
she mustn't be dealing
we mustn't be dealing
you mustn't be dealing
they mustn't be dealing	I mustn't have dealt
you mustn't have dealt
she mustn't have dealt
we mustn't have dealt
you mustn't have dealt
they mustn't have dealt	I mustn't have been dealing
you mustn't have been dealing
she mustn't have been dealing
we mustn't have been dealing
you mustn't have been dealing
they mustn't have been dealing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I deal?
must you deal?
must she deal?
must we deal?
must you deal?
must they deal? 	must I be dealing?
must you be dealing?
must she be dealing?
must we be dealing?
must you be dealing?
must they be dealing? 	must I have dealt?
must you have dealt?
must she have dealt?
must we have dealt?
must you have dealt?
must they have dealt? 	must I have been dealing?
must you have been dealing?
must she have been dealing?
must we have been dealing?
must you have been dealing?
must they have been dealing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I deal?
mustn't you deal?
mustn't she deal?
mustn't we deal?
mustn't you deal?
mustn't they deal? 	mustn't I be dealing?
mustn't you be dealing?
mustn't she be dealing?
mustn't we be dealing?
mustn't you be dealing?
mustn't they be dealing? 	mustn't I have dealt?
mustn't you have dealt?
mustn't she have dealt?
mustn't we have dealt?
mustn't you have dealt?
mustn't they have dealt? 	mustn't I have been dealing?
mustn't you have been dealing?
mustn't she have been dealing?
mustn't we have been dealing?
mustn't you have been dealing?
mustn't they have been dealing?