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