must punch
Regular verb: punch - punched- punched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must punch
you must punch
she must punch
we must punch
you must punch
they must punch 	I must be punching
you must be punching
she must be punching
we must be punching
you must be punching
they must be punching	I must have punched
you must have punched
she must have punched
we must have punched
you must have punched
they must have punched	I must have been punching
you must have been punching
she must have been punching
we must have been punching
you must have been punching
they must have been punching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't punch
you mustn't punch
she mustn't punch
we mustn't punch
you mustn't punch
they mustn't punch 	I mustn't be punching
you mustn't be punching
she mustn't be punching
we mustn't be punching
you mustn't be punching
they mustn't be punching	I mustn't have punched
you mustn't have punched
she mustn't have punched
we mustn't have punched
you mustn't have punched
they mustn't have punched	I mustn't have been punching
you mustn't have been punching
she mustn't have been punching
we mustn't have been punching
you mustn't have been punching
they mustn't have been punching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I punch?
must you punch?
must she punch?
must we punch?
must you punch?
must they punch? 	must I be punching?
must you be punching?
must she be punching?
must we be punching?
must you be punching?
must they be punching? 	must I have punched?
must you have punched?
must she have punched?
must we have punched?
must you have punched?
must they have punched? 	must I have been punching?
must you have been punching?
must she have been punching?
must we have been punching?
must you have been punching?
must they have been punching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I punch?
mustn't you punch?
mustn't she punch?
mustn't we punch?
mustn't you punch?
mustn't they punch? 	mustn't I be punching?
mustn't you be punching?
mustn't she be punching?
mustn't we be punching?
mustn't you be punching?
mustn't they be punching? 	mustn't I have punched?
mustn't you have punched?
mustn't she have punched?
mustn't we have punched?
mustn't you have punched?
mustn't they have punched? 	mustn't I have been punching?
mustn't you have been punching?
mustn't she have been punching?
mustn't we have been punching?
mustn't you have been punching?
mustn't they have been punching?