must barn
Verbe régulier : barn - barned- barned

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must barn
you must barn
she must barn
we must barn
you must barn
they must barn 	I must be barning
you must be barning
she must be barning
we must be barning
you must be barning
they must be barning	I must have barned
you must have barned
she must have barned
we must have barned
you must have barned
they must have barned	I must have been barning
you must have been barning
she must have been barning
we must have been barning
you must have been barning
they must have been barning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not barn
you must not barn
she must not barn
we must not barn
you must not barn
they must not barn 	I must not be barning
you must not be barning
she must not be barning
we must not be barning
you must not be barning
they must not be barning	I must not have barned
you must not have barned
she must not have barned
we must not have barned
you must not have barned
they must not have barned	I must not have been barning
you must not have been barning
she must not have been barning
we must not have been barning
you must not have been barning
they must not have been barning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I barn?
must you barn?
must she barn?
must we barn?
must you barn?
must they barn? 	must I be barning?
must you be barning?
must she be barning?
must we be barning?
must you be barning?
must they be barning? 	must I have barned?
must you have barned?
must she have barned?
must we have barned?
must you have barned?
must they have barned? 	must I have been barning?
must you have been barning?
must she have been barning?
must we have been barning?
must you have been barning?
must they have been barning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not barn?
must you not barn?
must she not barn?
must we not barn?
must you not barn?
must they not barn? 	must I not be barning?
must you not be barning?
must she not be barning?
must we not be barning?
must you not be barning?
must they not be barning? 	must I not have barned?
must you not have barned?
must she not have barned?
must we not have barned?
must you not have barned?
must they not have barned? 	must I not have been barning?
must you not have been barning?
must she not have been barning?
must we not have been barning?
must you not have been barning?
must they not have been barning?