I could dare you could dare he could dare we could dare you could dare they could dare
V-ing form
I could be daring you could be daring he could be daring we could be daring you could be daring they could be daring
Perfect
I could have dared you could have dared he 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 he could have been daring we could have been daring you could have been daring they could have been daring
Negation
Simple form
I couldn't dare you couldn't dare he couldn't dare we couldn't dare you couldn't dare they couldn't dare
V-ing form
I couldn't be daring you couldn't be daring he couldn't be daring we couldn't be daring you couldn't be daring they couldn't be daring
Perfect
I couldn't have dared you couldn't have dared he couldn't have dared we couldn't have dared you couldn't have dared they couldn't have dared
V-ing perfect
I couldn't have been daring you couldn't have been daring he couldn't have been daring we couldn't have been daring you couldn't have been daring they couldn't have been daring
Interrogative form
Simple form
could I dare? could you dare? could he dare? could we dare? could you dare? could they dare?
V-ing form
could I be daring? could you be daring? could he be daring? could we be daring? could you be daring? could they be daring?
Perfect
could I have dared? could you have dared? could he 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 he have been daring? could we have been daring? could you have been daring? could they have been daring?
Interro-negative form
Simple form
couldn't I dare? couldn't you dare? couldn't he dare? couldn't we dare? couldn't you dare? couldn't they dare?
V-ing form
couldn't I be daring? couldn't you be daring? couldn't he be daring? couldn't we be daring? couldn't you be daring? couldn't they be daring?
Perfect
couldn't I have dared? couldn't you have dared? couldn't he have dared? couldn't we have dared? couldn't you have dared? couldn't they have dared?
V-ing perfect
couldn't I have been daring? couldn't you have been daring? couldn't he have been daring? couldn't we have been daring? couldn't you have been daring? couldn't they have been daring?