must flame
Regular verb: flame - flamed- flamed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must flame
you must flame
she must flame
we must flame
you must flame
they must flame 	I must be flaming
you must be flaming
she must be flaming
we must be flaming
you must be flaming
they must be flaming	I must have flamed
you must have flamed
she must have flamed
we must have flamed
you must have flamed
they must have flamed	I must have been flaming
you must have been flaming
she must have been flaming
we must have been flaming
you must have been flaming
they must have been flaming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't flame
you mustn't flame
she mustn't flame
we mustn't flame
you mustn't flame
they mustn't flame 	I mustn't be flaming
you mustn't be flaming
she mustn't be flaming
we mustn't be flaming
you mustn't be flaming
they mustn't be flaming	I mustn't have flamed
you mustn't have flamed
she mustn't have flamed
we mustn't have flamed
you mustn't have flamed
they mustn't have flamed	I mustn't have been flaming
you mustn't have been flaming
she mustn't have been flaming
we mustn't have been flaming
you mustn't have been flaming
they mustn't have been flaming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I flame?
must you flame?
must she flame?
must we flame?
must you flame?
must they flame? 	must I be flaming?
must you be flaming?
must she be flaming?
must we be flaming?
must you be flaming?
must they be flaming? 	must I have flamed?
must you have flamed?
must she have flamed?
must we have flamed?
must you have flamed?
must they have flamed? 	must I have been flaming?
must you have been flaming?
must she have been flaming?
must we have been flaming?
must you have been flaming?
must they have been flaming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I flame?
mustn't you flame?
mustn't she flame?
mustn't we flame?
mustn't you flame?
mustn't they flame? 	mustn't I be flaming?
mustn't you be flaming?
mustn't she be flaming?
mustn't we be flaming?
mustn't you be flaming?
mustn't they be flaming? 	mustn't I have flamed?
mustn't you have flamed?
mustn't she have flamed?
mustn't we have flamed?
mustn't you have flamed?
mustn't they have flamed? 	mustn't I have been flaming?
mustn't you have been flaming?
mustn't she have been flaming?
mustn't we have been flaming?
mustn't you have been flaming?
mustn't they have been flaming?