I could belabor you could belabor she could belabor we could belabor you could belabor they could belabor
V-ing form
I could be belaboring you could be belaboring she could be belaboring we could be belaboring you could be belaboring they could be belaboring
Perfect
I could have belabored you could have belabored she could have belabored we could have belabored you could have belabored they could have belabored
V-ing perfect
I could have been belaboring you could have been belaboring she could have been belaboring we could have been belaboring you could have been belaboring they could have been belaboring
Negation
Simple form
I could not belabor you could not belabor she could not belabor we could not belabor you could not belabor they could not belabor
V-ing form
I could not be belaboring you could not be belaboring she could not be belaboring we could not be belaboring you could not be belaboring they could not be belaboring
Perfect
I could not have belabored you could not have belabored she could not have belabored we could not have belabored you could not have belabored they could not have belabored
V-ing perfect
I could not have been belaboring you could not have been belaboring she could not have been belaboring we could not have been belaboring you could not have been belaboring they could not have been belaboring
Interrogative form
Simple form
could I belabor? could you belabor? could she belabor? could we belabor? could you belabor? could they belabor?
V-ing form
could I be belaboring? could you be belaboring? could she be belaboring? could we be belaboring? could you be belaboring? could they be belaboring?
Perfect
could I have belabored? could you have belabored? could she have belabored? could we have belabored? could you have belabored? could they have belabored?
V-ing perfect
could I have been belaboring? could you have been belaboring? could she have been belaboring? could we have been belaboring? could you have been belaboring? could they have been belaboring?
Interro-negative form
Simple form
could I not belabor? could you not belabor? could she not belabor? could we not belabor? could you not belabor? could they not belabor?
V-ing form
could I not be belaboring? could you not be belaboring? could she not be belaboring? could we not be belaboring? could you not be belaboring? could they not be belaboring?
Perfect
could I not have belabored? could you not have belabored? could she not have belabored? could we not have belabored? could you not have belabored? could they not have belabored?
V-ing perfect
could I not have been belaboring? could you not have been belaboring? could she not have been belaboring? could we not have been belaboring? could you not have been belaboring? could they not have been belaboring?