must restrict
Regular verb: restrict - restricted- restricted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must restrict
you must restrict
she must restrict
we must restrict
you must restrict
they must restrict 	I must be restricting
you must be restricting
she must be restricting
we must be restricting
you must be restricting
they must be restricting	I must have restricted
you must have restricted
she must have restricted
we must have restricted
you must have restricted
they must have restricted	I must have been restricting
you must have been restricting
she must have been restricting
we must have been restricting
you must have been restricting
they must have been restricting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't restrict
you mustn't restrict
she mustn't restrict
we mustn't restrict
you mustn't restrict
they mustn't restrict 	I mustn't be restricting
you mustn't be restricting
she mustn't be restricting
we mustn't be restricting
you mustn't be restricting
they mustn't be restricting	I mustn't have restricted
you mustn't have restricted
she mustn't have restricted
we mustn't have restricted
you mustn't have restricted
they mustn't have restricted	I mustn't have been restricting
you mustn't have been restricting
she mustn't have been restricting
we mustn't have been restricting
you mustn't have been restricting
they mustn't have been restricting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I restrict?
must you restrict?
must she restrict?
must we restrict?
must you restrict?
must they restrict? 	must I be restricting?
must you be restricting?
must she be restricting?
must we be restricting?
must you be restricting?
must they be restricting? 	must I have restricted?
must you have restricted?
must she have restricted?
must we have restricted?
must you have restricted?
must they have restricted? 	must I have been restricting?
must you have been restricting?
must she have been restricting?
must we have been restricting?
must you have been restricting?
must they have been restricting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I restrict?
mustn't you restrict?
mustn't she restrict?
mustn't we restrict?
mustn't you restrict?
mustn't they restrict? 	mustn't I be restricting?
mustn't you be restricting?
mustn't she be restricting?
mustn't we be restricting?
mustn't you be restricting?
mustn't they be restricting? 	mustn't I have restricted?
mustn't you have restricted?
mustn't she have restricted?
mustn't we have restricted?
mustn't you have restricted?
mustn't they have restricted? 	mustn't I have been restricting?
mustn't you have been restricting?
mustn't she have been restricting?
mustn't we have been restricting?
mustn't you have been restricting?
mustn't they have been restricting?