must tram
Regular verb: tram - tramed- tramed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must tram
you must tram
he must tram
we must tram
you must tram
they must tram 	I must be traming
you must be traming
he must be traming
we must be traming
you must be traming
they must be traming	I must have tramed
you must have tramed
he must have tramed
we must have tramed
you must have tramed
they must have tramed	I must have been traming
you must have been traming
he must have been traming
we must have been traming
you must have been traming
they must have been traming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't tram
you mustn't tram
he mustn't tram
we mustn't tram
you mustn't tram
they mustn't tram 	I mustn't be traming
you mustn't be traming
he mustn't be traming
we mustn't be traming
you mustn't be traming
they mustn't be traming	I mustn't have tramed
you mustn't have tramed
he mustn't have tramed
we mustn't have tramed
you mustn't have tramed
they mustn't have tramed	I mustn't have been traming
you mustn't have been traming
he mustn't have been traming
we mustn't have been traming
you mustn't have been traming
they mustn't have been traming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I tram?
must you tram?
must he tram?
must we tram?
must you tram?
must they tram? 	must I be traming?
must you be traming?
must he be traming?
must we be traming?
must you be traming?
must they be traming? 	must I have tramed?
must you have tramed?
must he have tramed?
must we have tramed?
must you have tramed?
must they have tramed? 	must I have been traming?
must you have been traming?
must he have been traming?
must we have been traming?
must you have been traming?
must they have been traming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I tram?
mustn't you tram?
mustn't he tram?
mustn't we tram?
mustn't you tram?
mustn't they tram? 	mustn't I be traming?
mustn't you be traming?
mustn't he be traming?
mustn't we be traming?
mustn't you be traming?
mustn't they be traming? 	mustn't I have tramed?
mustn't you have tramed?
mustn't he have tramed?
mustn't we have tramed?
mustn't you have tramed?
mustn't they have tramed? 	mustn't I have been traming?
mustn't you have been traming?
mustn't he have been traming?
mustn't we have been traming?
mustn't you have been traming?
mustn't they have been traming?