shall decelerate
Regular verb: decelerate - decelerated- decelerated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll decelerate
you'll decelerate
she'll decelerate
we'll decelerate
you'll decelerate
they'll decelerate 	I'll be decelerating
you'll be decelerating
she'll be decelerating
we'll be decelerating
you'll be decelerating
they'll be decelerating	I'll have decelerated
you'll have decelerated
she'll have decelerated
we'll have decelerated
you'll have decelerated
they'll have decelerated	I'll have been decelerating
you'll have been decelerating
she'll have been decelerating
we'll have been decelerating
you'll have been decelerating
they'll have been decelerating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shan't decelerate
you shan't decelerate
she shan't decelerate
we shan't decelerate
you shan't decelerate
they shan't decelerate 	I shan't be decelerating
you shan't be decelerating
she shan't be decelerating
we shan't be decelerating
you shan't be decelerating
they shan't be decelerating	I shan't have decelerated
you shan't have decelerated
she shan't have decelerated
we shan't have decelerated
you shan't have decelerated
they shan't have decelerated	I shan't have been decelerating
you shan't have been decelerating
she shan't have been decelerating
we shan't have been decelerating
you shan't have been decelerating
they shan't have been decelerating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I decelerate?
shall you decelerate?
shall she decelerate?
shall we decelerate?
shall you decelerate?
shall they decelerate? 	shall I be decelerating?
shall you be decelerating?
shall she be decelerating?
shall we be decelerating?
shall you be decelerating?
shall they be decelerating? 	shall I have decelerated?
shall you have decelerated?
shall she have decelerated?
shall we have decelerated?
shall you have decelerated?
shall they have decelerated? 	shall I have been decelerating?
shall you have been decelerating?
shall she have been decelerating?
shall we have been decelerating?
shall you have been decelerating?
shall they have been decelerating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shan't I decelerate?
shan't you decelerate?
shan't she decelerate?
shan't we decelerate?
shan't you decelerate?
shan't they decelerate? 	shan't I be decelerating?
shan't you be decelerating?
shan't she be decelerating?
shan't we be decelerating?
shan't you be decelerating?
shan't they be decelerating? 	shan't I have decelerated?
shan't you have decelerated?
shan't she have decelerated?
shan't we have decelerated?
shan't you have decelerated?
shan't they have decelerated? 	shan't I have been decelerating?
shan't you have been decelerating?
shan't she have been decelerating?
shan't we have been decelerating?
shan't you have been decelerating?
shan't they have been decelerating?