English verb conjugation
SHOULD DECELERATE

Regular verb: decelerate - decelerated - decelerated

Affirmation

Simple form	V-ing form
I'd decelerate you'd decelerate he'd decelerate we'd decelerate you'd decelerate they'd decelerate	I'd be decelerating you'd be decelerating he'd be decelerating we'd be decelerating you'd be decelerating they'd be decelerating
Perfect	V-ing perfect
I should've decelerated you should've decelerated he should've decelerated we should've decelerated you should've decelerated they should've decelerated	I should've been decelerating you should've been decelerating he should've been decelerating we should've been decelerating you should've been decelerating they should've been decelerating

Negation

Simple form	V-ing form
I shouldn't decelerate you shouldn't decelerate he shouldn't decelerate we shouldn't decelerate you shouldn't decelerate they shouldn't decelerate	I shouldn't be decelerating you shouldn't be decelerating he shouldn't be decelerating we shouldn't be decelerating you shouldn't be decelerating they shouldn't be decelerating
Perfect	V-ing perfect
I shouldn't have decelerated you shouldn't have decelerated he shouldn't have decelerated we shouldn't have decelerated you shouldn't have decelerated they shouldn't have decelerated	I shouldn't have been decelerating you shouldn't have been decelerating he shouldn't have been decelerating we shouldn't have been decelerating you shouldn't have been decelerating they shouldn't have been decelerating

Interrogative form

Simple form	V-ing form
should I decelerate? should you decelerate? should he decelerate? should we decelerate? should you decelerate? should they decelerate?	should I be decelerating? should you be decelerating? should he be decelerating? should we be decelerating? should you be decelerating? should they be decelerating?
Perfect	V-ing perfect
should I have decelerated? should you have decelerated? should he have decelerated? should we have decelerated? should you have decelerated? should they have decelerated?	should I have been decelerating? should you have been decelerating? should he have been decelerating? should we have been decelerating? should you have been decelerating? should they have been decelerating?

Interro-negative form

Simple form	V-ing form
shouldn't I decelerate? shouldn't you decelerate? shouldn't he decelerate? shouldn't we decelerate? shouldn't you decelerate? shouldn't they decelerate?	shouldn't I be decelerating? shouldn't you be decelerating? shouldn't he be decelerating? shouldn't we be decelerating? shouldn't you be decelerating? shouldn't they be decelerating?
Perfect	V-ing perfect
shouldn't I have decelerated? shouldn't you have decelerated? shouldn't he have decelerated? shouldn't we have decelerated? shouldn't you have decelerated? shouldn't they have decelerated?	shouldn't I have been decelerating? shouldn't you have been decelerating? shouldn't he have been decelerating? shouldn't we have been decelerating? shouldn't you have been decelerating? shouldn't they have been decelerating?