must drug
Regular verb: drug - drugged- drugged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must drug
you must drug
he must drug
we must drug
you must drug
they must drug 	I must be drugging
you must be drugging
he must be drugging
we must be drugging
you must be drugging
they must be drugging	I must have drugged
you must have drugged
he must have drugged
we must have drugged
you must have drugged
they must have drugged	I must have been drugging
you must have been drugging
he must have been drugging
we must have been drugging
you must have been drugging
they must have been drugging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't drug
you mustn't drug
he mustn't drug
we mustn't drug
you mustn't drug
they mustn't drug 	I mustn't be drugging
you mustn't be drugging
he mustn't be drugging
we mustn't be drugging
you mustn't be drugging
they mustn't be drugging	I mustn't have drugged
you mustn't have drugged
he mustn't have drugged
we mustn't have drugged
you mustn't have drugged
they mustn't have drugged	I mustn't have been drugging
you mustn't have been drugging
he mustn't have been drugging
we mustn't have been drugging
you mustn't have been drugging
they mustn't have been drugging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I drug?
must you drug?
must he drug?
must we drug?
must you drug?
must they drug? 	must I be drugging?
must you be drugging?
must he be drugging?
must we be drugging?
must you be drugging?
must they be drugging? 	must I have drugged?
must you have drugged?
must he have drugged?
must we have drugged?
must you have drugged?
must they have drugged? 	must I have been drugging?
must you have been drugging?
must he have been drugging?
must we have been drugging?
must you have been drugging?
must they have been drugging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I drug?
mustn't you drug?
mustn't he drug?
mustn't we drug?
mustn't you drug?
mustn't they drug? 	mustn't I be drugging?
mustn't you be drugging?
mustn't he be drugging?
mustn't we be drugging?
mustn't you be drugging?
mustn't they be drugging? 	mustn't I have drugged?
mustn't you have drugged?
mustn't he have drugged?
mustn't we have drugged?
mustn't you have drugged?
mustn't they have drugged? 	mustn't I have been drugging?
mustn't you have been drugging?
mustn't he have been drugging?
mustn't we have been drugging?
mustn't you have been drugging?
mustn't they have been drugging?