must gravel
Verbo regolare: gravel - gravelled- gravelled

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must gravel
you must gravel
he must gravel
we must gravel
you must gravel
they must gravel 	I must be gravelling
you must be gravelling
he must be gravelling
we must be gravelling
you must be gravelling
they must be gravelling	I must have gravelled
you must have gravelled
he must have gravelled
we must have gravelled
you must have gravelled
they must have gravelled	I must have been gravelling
you must have been gravelling
he must have been gravelling
we must have been gravelling
you must have been gravelling
they must have been gravelling	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not gravel
you must not gravel
he must not gravel
we must not gravel
you must not gravel
they must not gravel 	I must not be gravelling
you must not be gravelling
he must not be gravelling
we must not be gravelling
you must not be gravelling
they must not be gravelling	I must not have gravelled
you must not have gravelled
he must not have gravelled
we must not have gravelled
you must not have gravelled
they must not have gravelled	I must not have been gravelling
you must not have been gravelling
he must not have been gravelling
we must not have been gravelling
you must not have been gravelling
they must not have been gravelling	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I gravel?
must you gravel?
must he gravel?
must we gravel?
must you gravel?
must they gravel? 	must I be gravelling?
must you be gravelling?
must he be gravelling?
must we be gravelling?
must you be gravelling?
must they be gravelling? 	must I have gravelled?
must you have gravelled?
must he have gravelled?
must we have gravelled?
must you have gravelled?
must they have gravelled? 	must I have been gravelling?
must you have been gravelling?
must he have been gravelling?
must we have been gravelling?
must you have been gravelling?
must they have been gravelling? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not gravel?
must you not gravel?
must he not gravel?
must we not gravel?
must you not gravel?
must they not gravel? 	must I not be gravelling?
must you not be gravelling?
must he not be gravelling?
must we not be gravelling?
must you not be gravelling?
must they not be gravelling? 	must I not have gravelled?
must you not have gravelled?
must he not have gravelled?
must we not have gravelled?
must you not have gravelled?
must they not have gravelled? 	must I not have been gravelling?
must you not have been gravelling?
must he not have been gravelling?
must we not have been gravelling?
must you not have been gravelling?
must they not have been gravelling?