I could exempt you could exempt she could exempt we could exempt you could exempt they could exempt
V-ing form
I could be exempting you could be exempting she could be exempting we could be exempting you could be exempting they could be exempting
Perfect
I could have exempted you could have exempted she could have exempted we could have exempted you could have exempted they could have exempted
V-ing perfect
I could have been exempting you could have been exempting she could have been exempting we could have been exempting you could have been exempting they could have been exempting
Negation
Simple form
I could not exempt you could not exempt she could not exempt we could not exempt you could not exempt they could not exempt
V-ing form
I could not be exempting you could not be exempting she could not be exempting we could not be exempting you could not be exempting they could not be exempting
Perfect
I could not have exempted you could not have exempted she could not have exempted we could not have exempted you could not have exempted they could not have exempted
V-ing perfect
I could not have been exempting you could not have been exempting she could not have been exempting we could not have been exempting you could not have been exempting they could not have been exempting
Interrogative form
Simple form
could I exempt? could you exempt? could she exempt? could we exempt? could you exempt? could they exempt?
V-ing form
could I be exempting? could you be exempting? could she be exempting? could we be exempting? could you be exempting? could they be exempting?
Perfect
could I have exempted? could you have exempted? could she have exempted? could we have exempted? could you have exempted? could they have exempted?
V-ing perfect
could I have been exempting? could you have been exempting? could she have been exempting? could we have been exempting? could you have been exempting? could they have been exempting?
Interro-negative form
Simple form
could I not exempt? could you not exempt? could she not exempt? could we not exempt? could you not exempt? could they not exempt?
V-ing form
could I not be exempting? could you not be exempting? could she not be exempting? could we not be exempting? could you not be exempting? could they not be exempting?
Perfect
could I not have exempted? could you not have exempted? could she not have exempted? could we not have exempted? could you not have exempted? could they not have exempted?
V-ing perfect
could I not have been exempting? could you not have been exempting? could she not have been exempting? could we not have been exempting? could you not have been exempting? could they not have been exempting?