I could abolish you could abolish he could abolish we could abolish you could abolish they could abolish
V-ing form
I could be abolishing you could be abolishing he could be abolishing we could be abolishing you could be abolishing they could be abolishing
Perfect
I could have abolished you could have abolished he could have abolished we could have abolished you could have abolished they could have abolished
V-ing perfect
I could have been abolishing you could have been abolishing he could have been abolishing we could have been abolishing you could have been abolishing they could have been abolishing
Negation
Simple form
I could not abolish you could not abolish he could not abolish we could not abolish you could not abolish they could not abolish
V-ing form
I could not be abolishing you could not be abolishing he could not be abolishing we could not be abolishing you could not be abolishing they could not be abolishing
Perfect
I could not have abolished you could not have abolished he could not have abolished we could not have abolished you could not have abolished they could not have abolished
V-ing perfect
I could not have been abolishing you could not have been abolishing he could not have been abolishing we could not have been abolishing you could not have been abolishing they could not have been abolishing
Interrogative form
Simple form
could I abolish? could you abolish? could he abolish? could we abolish? could you abolish? could they abolish?
V-ing form
could I be abolishing? could you be abolishing? could he be abolishing? could we be abolishing? could you be abolishing? could they be abolishing?
Perfect
could I have abolished? could you have abolished? could he have abolished? could we have abolished? could you have abolished? could they have abolished?
V-ing perfect
could I have been abolishing? could you have been abolishing? could he have been abolishing? could we have been abolishing? could you have been abolishing? could they have been abolishing?
Interro-negative form
Simple form
could I not abolish? could you not abolish? could he not abolish? could we not abolish? could you not abolish? could they not abolish?
V-ing form
could I not be abolishing? could you not be abolishing? could he not be abolishing? could we not be abolishing? could you not be abolishing? could they not be abolishing?
Perfect
could I not have abolished? could you not have abolished? could he not have abolished? could we not have abolished? could you not have abolished? could they not have abolished?
V-ing perfect
could I not have been abolishing? could you not have been abolishing? could he not have been abolishing? could we not have been abolishing? could you not have been abolishing? could they not have been abolishing?