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