should precondition
Verbo regular: precondition - preconditioned- preconditioned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should precondition
you should precondition
she should precondition
we should precondition
you should precondition
they should precondition 	I should be preconditioning
you should be preconditioning
she should be preconditioning
we should be preconditioning
you should be preconditioning
they should be preconditioning	I should have preconditioned
you should have preconditioned
she should have preconditioned
we should have preconditioned
you should have preconditioned
they should have preconditioned	I should have been preconditioning
you should have been preconditioning
she should have been preconditioning
we should have been preconditioning
you should have been preconditioning
they should have been preconditioning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not precondition
you should not precondition
she should not precondition
we should not precondition
you should not precondition
they should not precondition 	I should not be preconditioning
you should not be preconditioning
she should not be preconditioning
we should not be preconditioning
you should not be preconditioning
they should not be preconditioning	I should not have preconditioned
you should not have preconditioned
she should not have preconditioned
we should not have preconditioned
you should not have preconditioned
they should not have preconditioned	I should not have been preconditioning
you should not have been preconditioning
she should not have been preconditioning
we should not have been preconditioning
you should not have been preconditioning
they should not have been preconditioning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I precondition?
should you precondition?
should she precondition?
should we precondition?
should you precondition?
should they precondition? 	should I be preconditioning?
should you be preconditioning?
should she be preconditioning?
should we be preconditioning?
should you be preconditioning?
should they be preconditioning? 	should I have preconditioned?
should you have preconditioned?
should she 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 she have been preconditioning?
should we have been preconditioning?
should you have been preconditioning?
should they have been preconditioning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not precondition?
should you not precondition?
should she not precondition?
should we not precondition?
should you not precondition?
should they not precondition? 	should I not be preconditioning?
should you not be preconditioning?
should she not be preconditioning?
should we not be preconditioning?
should you not be preconditioning?
should they not be preconditioning? 	should I not have preconditioned?
should you not have preconditioned?
should she not have preconditioned?
should we not have preconditioned?
should you not have preconditioned?
should they not have preconditioned? 	should I not have been preconditioning?
should you not have been preconditioning?
should she not have been preconditioning?
should we not have been preconditioning?
should you not have been preconditioning?
should they not have been preconditioning?