must drum
Verbe régulier : drum - drummed- drummed
Traduction française : jouer de la batterie - tambouriner 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must drum
you must drum
she must drum
we must drum
you must drum
they must drum 	I must be drumming
you must be drumming
she must be drumming
we must be drumming
you must be drumming
they must be drumming	I must have drummed
you must have drummed
she must have drummed
we must have drummed
you must have drummed
they must have drummed	I must have been drumming
you must have been drumming
she must have been drumming
we must have been drumming
you must have been drumming
they must have been drumming	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not drum
you must not drum
she must not drum
we must not drum
you must not drum
they must not drum 	I must not be drumming
you must not be drumming
she must not be drumming
we must not be drumming
you must not be drumming
they must not be drumming	I must not have drummed
you must not have drummed
she must not have drummed
we must not have drummed
you must not have drummed
they must not have drummed	I must not have been drumming
you must not have been drumming
she must not have been drumming
we must not have been drumming
you must not have been drumming
they must not have been drumming	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I drum?
must you drum?
must she drum?
must we drum?
must you drum?
must they drum? 	must I be drumming?
must you be drumming?
must she be drumming?
must we be drumming?
must you be drumming?
must they be drumming? 	must I have drummed?
must you have drummed?
must she have drummed?
must we have drummed?
must you have drummed?
must they have drummed? 	must I have been drumming?
must you have been drumming?
must she have been drumming?
must we have been drumming?
must you have been drumming?
must they have been drumming? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not drum?
must you not drum?
must she not drum?
must we not drum?
must you not drum?
must they not drum? 	must I not be drumming?
must you not be drumming?
must she not be drumming?
must we not be drumming?
must you not be drumming?
must they not be drumming? 	must I not have drummed?
must you not have drummed?
must she not have drummed?
must we not have drummed?
must you not have drummed?
must they not have drummed? 	must I not have been drumming?
must you not have been drumming?
must she not have been drumming?
must we not have been drumming?
must you not have been drumming?
must they not have been drumming?