must mean
Irregular verb: mean - meant- meant

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must mean
you must mean
she must mean
we must mean
you must mean
they must mean 	I must be meaning
you must be meaning
she must be meaning
we must be meaning
you must be meaning
they must be meaning	I must have meant
you must have meant
she must have meant
we must have meant
you must have meant
they must have meant	I must have been meaning
you must have been meaning
she must have been meaning
we must have been meaning
you must have been meaning
they must have been meaning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't mean
you mustn't mean
she mustn't mean
we mustn't mean
you mustn't mean
they mustn't mean 	I mustn't be meaning
you mustn't be meaning
she mustn't be meaning
we mustn't be meaning
you mustn't be meaning
they mustn't be meaning	I mustn't have meant
you mustn't have meant
she mustn't have meant
we mustn't have meant
you mustn't have meant
they mustn't have meant	I mustn't have been meaning
you mustn't have been meaning
she mustn't have been meaning
we mustn't have been meaning
you mustn't have been meaning
they mustn't have been meaning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I mean?
must you mean?
must she mean?
must we mean?
must you mean?
must they mean? 	must I be meaning?
must you be meaning?
must she be meaning?
must we be meaning?
must you be meaning?
must they be meaning? 	must I have meant?
must you have meant?
must she have meant?
must we have meant?
must you have meant?
must they have meant? 	must I have been meaning?
must you have been meaning?
must she have been meaning?
must we have been meaning?
must you have been meaning?
must they have been meaning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I mean?
mustn't you mean?
mustn't she mean?
mustn't we mean?
mustn't you mean?
mustn't they mean? 	mustn't I be meaning?
mustn't you be meaning?
mustn't she be meaning?
mustn't we be meaning?
mustn't you be meaning?
mustn't they be meaning? 	mustn't I have meant?
mustn't you have meant?
mustn't she have meant?
mustn't we have meant?
mustn't you have meant?
mustn't they have meant? 	mustn't I have been meaning?
mustn't you have been meaning?
mustn't she have been meaning?
mustn't we have been meaning?
mustn't you have been meaning?
mustn't they have been meaning?