English verb conjugation
SHOULD TAILSPIN

Regular verb: tailspin - tailspined - tailspined

Affirmation

Simple form	V-ing form
I'd tailspin you'd tailspin he'd tailspin we'd tailspin you'd tailspin they'd tailspin	I'd be tailspining you'd be tailspining he'd be tailspining we'd be tailspining you'd be tailspining they'd be tailspining
Perfect	V-ing perfect
I should've tailspined you should've tailspined he should've tailspined we should've tailspined you should've tailspined they should've tailspined	I should've been tailspining you should've been tailspining he should've been tailspining we should've been tailspining you should've been tailspining they should've been tailspining

Negation

Simple form	V-ing form
I shouldn't tailspin you shouldn't tailspin he shouldn't tailspin we shouldn't tailspin you shouldn't tailspin they shouldn't tailspin	I shouldn't be tailspining you shouldn't be tailspining he shouldn't be tailspining we shouldn't be tailspining you shouldn't be tailspining they shouldn't be tailspining
Perfect	V-ing perfect
I shouldn't have tailspined you shouldn't have tailspined he shouldn't have tailspined we shouldn't have tailspined you shouldn't have tailspined they shouldn't have tailspined	I shouldn't have been tailspining you shouldn't have been tailspining he shouldn't have been tailspining we shouldn't have been tailspining you shouldn't have been tailspining they shouldn't have been tailspining

Interrogative form

Simple form	V-ing form
should I tailspin? should you tailspin? should he tailspin? should we tailspin? should you tailspin? should they tailspin?	should I be tailspining? should you be tailspining? should he be tailspining? should we be tailspining? should you be tailspining? should they be tailspining?
Perfect	V-ing perfect
should I have tailspined? should you have tailspined? should he have tailspined? should we have tailspined? should you have tailspined? should they have tailspined?	should I have been tailspining? should you have been tailspining? should he have been tailspining? should we have been tailspining? should you have been tailspining? should they have been tailspining?

Interro-negative form

Simple form	V-ing form
shouldn't I tailspin? shouldn't you tailspin? shouldn't he tailspin? shouldn't we tailspin? shouldn't you tailspin? shouldn't they tailspin?	shouldn't I be tailspining? shouldn't you be tailspining? shouldn't he be tailspining? shouldn't we be tailspining? shouldn't you be tailspining? shouldn't they be tailspining?
Perfect	V-ing perfect
shouldn't I have tailspined? shouldn't you have tailspined? shouldn't he have tailspined? shouldn't we have tailspined? shouldn't you have tailspined? shouldn't they have tailspined?	shouldn't I have been tailspining? shouldn't you have been tailspining? shouldn't he have been tailspining? shouldn't we have been tailspining? shouldn't you have been tailspining? shouldn't they have been tailspining?