may decelerate
Regular verb: decelerate - decelerated- decelerated

Affirmation 	
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I may decelerate
you may decelerate
she may decelerate
we may decelerate
you may decelerate
they may decelerate 	I may be decelerating
you may be decelerating
she may be decelerating
we may be decelerating
you may be decelerating
they may be decelerating	I may have decelerated
you may have decelerated
she may have decelerated
we may have decelerated
you may have decelerated
they may have decelerated	I may have been decelerating
you may have been decelerating
she may have been decelerating
we may have been decelerating
you may have been decelerating
they may have been decelerating	

Negation 	
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I mayn't decelerate
you mayn't decelerate
she mayn't decelerate
we mayn't decelerate
you mayn't decelerate
they mayn't decelerate 	I mayn't be decelerating
you mayn't be decelerating
she mayn't be decelerating
we mayn't be decelerating
you mayn't be decelerating
they mayn't be decelerating	I mayn't have decelerated
you mayn't have decelerated
she mayn't have decelerated
we mayn't have decelerated
you mayn't have decelerated
they mayn't have decelerated	I mayn't have been decelerating
you mayn't have been decelerating
she mayn't have been decelerating
we mayn't have been decelerating
you mayn't have been decelerating
they mayn't have been decelerating	

Interrogative form 	
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may I decelerate?
may you decelerate?
may she decelerate?
may we decelerate?
may you decelerate?
may they decelerate? 	may I be decelerating?
may you be decelerating?
may she be decelerating?
may we be decelerating?
may you be decelerating?
may they be decelerating? 	may I have decelerated?
may you have decelerated?
may she have decelerated?
may we have decelerated?
may you have decelerated?
may they have decelerated? 	may I have been decelerating?
may you have been decelerating?
may she have been decelerating?
may we have been decelerating?
may you have been decelerating?
may they have been decelerating? 	

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