I should precondition you should precondition he should precondition we should precondition you should precondition they should precondition
V-ing form
I should be preconditioning you should be preconditioning he should be preconditioning we should be preconditioning you should be preconditioning they should be preconditioning
Perfect
I should have preconditioned you should have preconditioned he should have preconditioned we should have preconditioned you should have preconditioned they should have preconditioned
V-ing perfect
I should have been preconditioning you should have been preconditioning he should have been preconditioning we should have been preconditioning you should have been preconditioning they should have been preconditioning
Negation
Simple form
I should not precondition you should not precondition he should not precondition we should not precondition you should not precondition they should not precondition
V-ing form
I should not be preconditioning you should not be preconditioning he should not be preconditioning we should not be preconditioning you should not be preconditioning they should not be preconditioning
Perfect
I should not have preconditioned you should not have preconditioned he should not have preconditioned we should not have preconditioned you should not have preconditioned they should not have preconditioned
V-ing perfect
I should not have been preconditioning you should not have been preconditioning he should not have been preconditioning we should not have been preconditioning you should not have been preconditioning they should not have been preconditioning
Interrogative form
Simple form
should I precondition? should you precondition? should he precondition? should we precondition? should you precondition? should they precondition?
V-ing form
should I be preconditioning? should you be preconditioning? should he be preconditioning? should we be preconditioning? should you be preconditioning? should they be preconditioning?
Perfect
should I have preconditioned? should you have preconditioned? should he have preconditioned? should we have preconditioned? should you have preconditioned? should they have preconditioned?
V-ing perfect
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?
Interro-negative form
Simple form
should I not precondition? should you not precondition? should he not precondition? should we not precondition? should you not precondition? should they not precondition?
V-ing form
should I not be preconditioning? should you not be preconditioning? should he not be preconditioning? should we not be preconditioning? should you not be preconditioning? should they not be preconditioning?
Perfect
should I not have preconditioned? should you not have preconditioned? should he not have preconditioned? should we not have preconditioned? should you not have preconditioned? should they not have preconditioned?
V-ing perfect
should I not have been preconditioning? should you not have been preconditioning? should he not have been preconditioning? should we not have been preconditioning? should you not have been preconditioning? should they not have been preconditioning?