must haft
Regular verb: haft - hafted- hafted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must haft
you must haft
she must haft
we must haft
you must haft
they must haft 	I must be hafting
you must be hafting
she must be hafting
we must be hafting
you must be hafting
they must be hafting	I must have hafted
you must have hafted
she must have hafted
we must have hafted
you must have hafted
they must have hafted	I must have been hafting
you must have been hafting
she must have been hafting
we must have been hafting
you must have been hafting
they must have been hafting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't haft
you mustn't haft
she mustn't haft
we mustn't haft
you mustn't haft
they mustn't haft 	I mustn't be hafting
you mustn't be hafting
she mustn't be hafting
we mustn't be hafting
you mustn't be hafting
they mustn't be hafting	I mustn't have hafted
you mustn't have hafted
she mustn't have hafted
we mustn't have hafted
you mustn't have hafted
they mustn't have hafted	I mustn't have been hafting
you mustn't have been hafting
she mustn't have been hafting
we mustn't have been hafting
you mustn't have been hafting
they mustn't have been hafting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I haft?
must you haft?
must she haft?
must we haft?
must you haft?
must they haft? 	must I be hafting?
must you be hafting?
must she be hafting?
must we be hafting?
must you be hafting?
must they be hafting? 	must I have hafted?
must you have hafted?
must she have hafted?
must we have hafted?
must you have hafted?
must they have hafted? 	must I have been hafting?
must you have been hafting?
must she have been hafting?
must we have been hafting?
must you have been hafting?
must they have been hafting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I haft?
mustn't you haft?
mustn't she haft?
mustn't we haft?
mustn't you haft?
mustn't they haft? 	mustn't I be hafting?
mustn't you be hafting?
mustn't she be hafting?
mustn't we be hafting?
mustn't you be hafting?
mustn't they be hafting? 	mustn't I have hafted?
mustn't you have hafted?
mustn't she have hafted?
mustn't we have hafted?
mustn't you have hafted?
mustn't they have hafted? 	mustn't I have been hafting?
mustn't you have been hafting?
mustn't she have been hafting?
mustn't we have been hafting?
mustn't you have been hafting?
mustn't they have been hafting?