should precondition
Verbo regular: precondition - preconditioned- preconditioned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd precondition
you'd precondition
he'd precondition
we'd precondition
you'd precondition
they'd precondition 	I'd be preconditioning
you'd be preconditioning
he'd be preconditioning
we'd be preconditioning
you'd be preconditioning
they'd be preconditioning	I should've preconditioned
you should've preconditioned
he should've preconditioned
we should've preconditioned
you should've preconditioned
they should've preconditioned	I should've been preconditioning
you should've been preconditioning
he should've been preconditioning
we should've been preconditioning
you should've been preconditioning
they should've been preconditioning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't precondition
you shouldn't precondition
he shouldn't precondition
we shouldn't precondition
you shouldn't precondition
they shouldn't precondition 	I shouldn't be preconditioning
you shouldn't be preconditioning
he shouldn't be preconditioning
we shouldn't be preconditioning
you shouldn't be preconditioning
they shouldn't be preconditioning	I shouldn't have preconditioned
you shouldn't have preconditioned
he shouldn't have preconditioned
we shouldn't have preconditioned
you shouldn't have preconditioned
they shouldn't have preconditioned	I shouldn't have been preconditioning
you shouldn't have been preconditioning
he shouldn't have been preconditioning
we shouldn't have been preconditioning
you shouldn't have been preconditioning
they shouldn't have been preconditioning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I precondition?
should you precondition?
should he precondition?
should we precondition?
should you precondition?
should they precondition? 	should I be preconditioning?
should you be preconditioning?
should he be preconditioning?
should we be preconditioning?
should you be preconditioning?
should they be preconditioning? 	should I have preconditioned?
should you have preconditioned?
should he have preconditioned?
should we have preconditioned?
should you have preconditioned?
should they have preconditioned? 	should I have been preconditioning?
should you have been preconditioning?
should he have been preconditioning?
should we have been preconditioning?
should you have been preconditioning?
should they have been preconditioning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I precondition?
shouldn't you precondition?
shouldn't he precondition?
shouldn't we precondition?
shouldn't you precondition?
shouldn't they precondition? 	shouldn't I be preconditioning?
shouldn't you be preconditioning?
shouldn't he be preconditioning?
shouldn't we be preconditioning?
shouldn't you be preconditioning?
shouldn't they be preconditioning? 	shouldn't I have preconditioned?
shouldn't you have preconditioned?
shouldn't he have preconditioned?
shouldn't we have preconditioned?
shouldn't you have preconditioned?
shouldn't they have preconditioned? 	shouldn't I have been preconditioning?
shouldn't you have been preconditioning?
shouldn't he have been preconditioning?
shouldn't we have been preconditioning?
shouldn't you have been preconditioning?
shouldn't they have been preconditioning?