I could beggar you could beggar she could beggar we could beggar you could beggar they could beggar
V-ing form
I could be beggaring you could be beggaring she could be beggaring we could be beggaring you could be beggaring they could be beggaring
Perfect
I could have beggared you could have beggared she could have beggared we could have beggared you could have beggared they could have beggared
V-ing perfect
I could have been beggaring you could have been beggaring she could have been beggaring we could have been beggaring you could have been beggaring they could have been beggaring
Negation
Simple form
I could not beggar you could not beggar she could not beggar we could not beggar you could not beggar they could not beggar
V-ing form
I could not be beggaring you could not be beggaring she could not be beggaring we could not be beggaring you could not be beggaring they could not be beggaring
Perfect
I could not have beggared you could not have beggared she could not have beggared we could not have beggared you could not have beggared they could not have beggared
V-ing perfect
I could not have been beggaring you could not have been beggaring she could not have been beggaring we could not have been beggaring you could not have been beggaring they could not have been beggaring
Interrogative form
Simple form
could I beggar? could you beggar? could she beggar? could we beggar? could you beggar? could they beggar?
V-ing form
could I be beggaring? could you be beggaring? could she be beggaring? could we be beggaring? could you be beggaring? could they be beggaring?
Perfect
could I have beggared? could you have beggared? could she have beggared? could we have beggared? could you have beggared? could they have beggared?
V-ing perfect
could I have been beggaring? could you have been beggaring? could she have been beggaring? could we have been beggaring? could you have been beggaring? could they have been beggaring?
Interro-negative form
Simple form
could I not beggar? could you not beggar? could she not beggar? could we not beggar? could you not beggar? could they not beggar?
V-ing form
could I not be beggaring? could you not be beggaring? could she not be beggaring? could we not be beggaring? could you not be beggaring? could they not be beggaring?
Perfect
could I not have beggared? could you not have beggared? could she not have beggared? could we not have beggared? could you not have beggared? could they not have beggared?
V-ing perfect
could I not have been beggaring? could you not have been beggaring? could she not have been beggaring? could we not have been beggaring? could you not have been beggaring? could they not have been beggaring?