must travail
Verbo regolare: travail - travailed- travailed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must travail
you must travail
she must travail
we must travail
you must travail
they must travail 	I must be travailing
you must be travailing
she must be travailing
we must be travailing
you must be travailing
they must be travailing	I must have travailed
you must have travailed
she must have travailed
we must have travailed
you must have travailed
they must have travailed	I must have been travailing
you must have been travailing
she must have been travailing
we must have been travailing
you must have been travailing
they must have been travailing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not travail
you must not travail
she must not travail
we must not travail
you must not travail
they must not travail 	I must not be travailing
you must not be travailing
she must not be travailing
we must not be travailing
you must not be travailing
they must not be travailing	I must not have travailed
you must not have travailed
she must not have travailed
we must not have travailed
you must not have travailed
they must not have travailed	I must not have been travailing
you must not have been travailing
she must not have been travailing
we must not have been travailing
you must not have been travailing
they must not have been travailing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I travail?
must you travail?
must she travail?
must we travail?
must you travail?
must they travail? 	must I be travailing?
must you be travailing?
must she be travailing?
must we be travailing?
must you be travailing?
must they be travailing? 	must I have travailed?
must you have travailed?
must she have travailed?
must we have travailed?
must you have travailed?
must they have travailed? 	must I have been travailing?
must you have been travailing?
must she have been travailing?
must we have been travailing?
must you have been travailing?
must they have been travailing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not travail?
must you not travail?
must she not travail?
must we not travail?
must you not travail?
must they not travail? 	must I not be travailing?
must you not be travailing?
must she not be travailing?
must we not be travailing?
must you not be travailing?
must they not be travailing? 	must I not have travailed?
must you not have travailed?
must she not have travailed?
must we not have travailed?
must you not have travailed?
must they not have travailed? 	must I not have been travailing?
must you not have been travailing?
must she not have been travailing?
must we not have been travailing?
must you not have been travailing?
must they not have been travailing?