I could audition you could audition he could audition we could audition you could audition they could audition
V-ing form
I could be auditioning you could be auditioning he could be auditioning we could be auditioning you could be auditioning they could be auditioning
Perfect
I could have auditioned you could have auditioned he could have auditioned we could have auditioned you could have auditioned they could have auditioned
V-ing perfect
I could have been auditioning you could have been auditioning he could have been auditioning we could have been auditioning you could have been auditioning they could have been auditioning
Negation
Simple form
I couldn't audition you couldn't audition he couldn't audition we couldn't audition you couldn't audition they couldn't audition
V-ing form
I couldn't be auditioning you couldn't be auditioning he couldn't be auditioning we couldn't be auditioning you couldn't be auditioning they couldn't be auditioning
Perfect
I couldn't have auditioned you couldn't have auditioned he couldn't have auditioned we couldn't have auditioned you couldn't have auditioned they couldn't have auditioned
V-ing perfect
I couldn't have been auditioning you couldn't have been auditioning he couldn't have been auditioning we couldn't have been auditioning you couldn't have been auditioning they couldn't have been auditioning
Interrogative form
Simple form
could I audition? could you audition? could he audition? could we audition? could you audition? could they audition?
V-ing form
could I be auditioning? could you be auditioning? could he be auditioning? could we be auditioning? could you be auditioning? could they be auditioning?
Perfect
could I have auditioned? could you have auditioned? could he have auditioned? could we have auditioned? could you have auditioned? could they have auditioned?
V-ing perfect
could I have been auditioning? could you have been auditioning? could he have been auditioning? could we have been auditioning? could you have been auditioning? could they have been auditioning?
Interro-negative form
Simple form
couldn't I audition? couldn't you audition? couldn't he audition? couldn't we audition? couldn't you audition? couldn't they audition?
V-ing form
couldn't I be auditioning? couldn't you be auditioning? couldn't he be auditioning? couldn't we be auditioning? couldn't you be auditioning? couldn't they be auditioning?
Perfect
couldn't I have auditioned? couldn't you have auditioned? couldn't he have auditioned? couldn't we have auditioned? couldn't you have auditioned? couldn't they have auditioned?
V-ing perfect
couldn't I have been auditioning? couldn't you have been auditioning? couldn't he have been auditioning? couldn't we have been auditioning? couldn't you have been auditioning? couldn't they have been auditioning?