I could brave you could brave she could brave we could brave you could brave they could brave
V-ing form
I could be braving you could be braving she could be braving we could be braving you could be braving they could be braving
Perfect
I could have braved you could have braved she could have braved we could have braved you could have braved they could have braved
V-ing perfect
I could have been braving you could have been braving she could have been braving we could have been braving you could have been braving they could have been braving
Negation
Simple form
I couldn't brave you couldn't brave she couldn't brave we couldn't brave you couldn't brave they couldn't brave
V-ing form
I couldn't be braving you couldn't be braving she couldn't be braving we couldn't be braving you couldn't be braving they couldn't be braving
Perfect
I couldn't have braved you couldn't have braved she couldn't have braved we couldn't have braved you couldn't have braved they couldn't have braved
V-ing perfect
I couldn't have been braving you couldn't have been braving she couldn't have been braving we couldn't have been braving you couldn't have been braving they couldn't have been braving
Interrogative form
Simple form
could I brave? could you brave? could she brave? could we brave? could you brave? could they brave?
V-ing form
could I be braving? could you be braving? could she be braving? could we be braving? could you be braving? could they be braving?
Perfect
could I have braved? could you have braved? could she have braved? could we have braved? could you have braved? could they have braved?
V-ing perfect
could I have been braving? could you have been braving? could she have been braving? could we have been braving? could you have been braving? could they have been braving?
Interro-negative form
Simple form
couldn't I brave? couldn't you brave? couldn't she brave? couldn't we brave? couldn't you brave? couldn't they brave?
V-ing form
couldn't I be braving? couldn't you be braving? couldn't she be braving? couldn't we be braving? couldn't you be braving? couldn't they be braving?
Perfect
couldn't I have braved? couldn't you have braved? couldn't she have braved? couldn't we have braved? couldn't you have braved? couldn't they have braved?
V-ing perfect
couldn't I have been braving? couldn't you have been braving? couldn't she have been braving? couldn't we have been braving? couldn't you have been braving? couldn't they have been braving?