must muse
Verbe régulier : muse - mused- mused
Traduction française : rêvasser - songer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must muse
you must muse
she must muse
we must muse
you must muse
they must muse 	I must be musing
you must be musing
she must be musing
we must be musing
you must be musing
they must be musing	I must have mused
you must have mused
she must have mused
we must have mused
you must have mused
they must have mused	I must have been musing
you must have been musing
she must have been musing
we must have been musing
you must have been musing
they must have been musing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not muse
you must not muse
she must not muse
we must not muse
you must not muse
they must not muse 	I must not be musing
you must not be musing
she must not be musing
we must not be musing
you must not be musing
they must not be musing	I must not have mused
you must not have mused
she must not have mused
we must not have mused
you must not have mused
they must not have mused	I must not have been musing
you must not have been musing
she must not have been musing
we must not have been musing
you must not have been musing
they must not have been musing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I muse?
must you muse?
must she muse?
must we muse?
must you muse?
must they muse? 	must I be musing?
must you be musing?
must she be musing?
must we be musing?
must you be musing?
must they be musing? 	must I have mused?
must you have mused?
must she have mused?
must we have mused?
must you have mused?
must they have mused? 	must I have been musing?
must you have been musing?
must she have been musing?
must we have been musing?
must you have been musing?
must they have been musing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not muse?
must you not muse?
must she not muse?
must we not muse?
must you not muse?
must they not muse? 	must I not be musing?
must you not be musing?
must she not be musing?
must we not be musing?
must you not be musing?
must they not be musing? 	must I not have mused?
must you not have mused?
must she not have mused?
must we not have mused?
must you not have mused?
must they not have mused? 	must I not have been musing?
must you not have been musing?
must she not have been musing?
must we not have been musing?
must you not have been musing?
must they not have been musing?