I could dare you could dare she could dare we could dare you could dare they could dare
V-ing form
I could be daring you could be daring she could be daring we could be daring you could be daring they could be daring
Perfect
I could have dared you could have dared she could have dared we could have dared you could have dared they could have dared
V-ing perfect
I could have been daring you could have been daring she could have been daring we could have been daring you could have been daring they could have been daring
Negation
Simple form
I could not dare you could not dare she could not dare we could not dare you could not dare they could not dare
V-ing form
I could not be daring you could not be daring she could not be daring we could not be daring you could not be daring they could not be daring
Perfect
I could not have dared you could not have dared she could not have dared we could not have dared you could not have dared they could not have dared
V-ing perfect
I could not have been daring you could not have been daring she could not have been daring we could not have been daring you could not have been daring they could not have been daring
Interrogative form
Simple form
could I dare? could you dare? could she dare? could we dare? could you dare? could they dare?
V-ing form
could I be daring? could you be daring? could she be daring? could we be daring? could you be daring? could they be daring?
Perfect
could I have dared? could you have dared? could she have dared? could we have dared? could you have dared? could they have dared?
V-ing perfect
could I have been daring? could you have been daring? could she have been daring? could we have been daring? could you have been daring? could they have been daring?
Interro-negative form
Simple form
could I not dare? could you not dare? could she not dare? could we not dare? could you not dare? could they not dare?
V-ing form
could I not be daring? could you not be daring? could she not be daring? could we not be daring? could you not be daring? could they not be daring?
Perfect
could I not have dared? could you not have dared? could she not have dared? could we not have dared? could you not have dared? could they not have dared?
V-ing perfect
could I not have been daring? could you not have been daring? could she not have been daring? could we not have been daring? could you not have been daring? could they not have been daring?