must decelerate
Verbo regolare: decelerate - decelerated- decelerated

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must decelerate
you must decelerate
he must decelerate
we must decelerate
you must decelerate
they must decelerate 	I must be decelerating
you must be decelerating
he must be decelerating
we must be decelerating
you must be decelerating
they must be decelerating	I must have decelerated
you must have decelerated
he must have decelerated
we must have decelerated
you must have decelerated
they must have decelerated	I must have been decelerating
you must have been decelerating
he must have been decelerating
we must have been decelerating
you must have been decelerating
they must have been decelerating	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not decelerate
you must not decelerate
he must not decelerate
we must not decelerate
you must not decelerate
they must not decelerate 	I must not be decelerating
you must not be decelerating
he must not be decelerating
we must not be decelerating
you must not be decelerating
they must not be decelerating	I must not have decelerated
you must not have decelerated
he must not have decelerated
we must not have decelerated
you must not have decelerated
they must not have decelerated	I must not have been decelerating
you must not have been decelerating
he must not have been decelerating
we must not have been decelerating
you must not have been decelerating
they must not have been decelerating	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I decelerate?
must you decelerate?
must he decelerate?
must we decelerate?
must you decelerate?
must they decelerate? 	must I be decelerating?
must you be decelerating?
must he be decelerating?
must we be decelerating?
must you be decelerating?
must they be decelerating? 	must I have decelerated?
must you have decelerated?
must he have decelerated?
must we have decelerated?
must you have decelerated?
must they have decelerated? 	must I have been decelerating?
must you have been decelerating?
must he have been decelerating?
must we have been decelerating?
must you have been decelerating?
must they have been decelerating? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not decelerate?
must you not decelerate?
must he not decelerate?
must we not decelerate?
must you not decelerate?
must they not decelerate? 	must I not be decelerating?
must you not be decelerating?
must he not be decelerating?
must we not be decelerating?
must you not be decelerating?
must they not be decelerating? 	must I not have decelerated?
must you not have decelerated?
must he not have decelerated?
must we not have decelerated?
must you not have decelerated?
must they not have decelerated? 	must I not have been decelerating?
must you not have been decelerating?
must he not have been decelerating?
must we not have been decelerating?
must you not have been decelerating?
must they not have been decelerating?