I can brave you can brave he can brave we can brave you can brave they can brave
V-ing form
I can be braving you can be braving he can be braving we can be braving you can be braving they can be braving
Perfect
I can have braved you can have braved he can have braved we can have braved you can have braved they can have braved
V-ing perfect
I can have been braving you can have been braving he can have been braving we can have been braving you can have been braving they can have been braving
Negation
Simple form
I cannot brave you cannot brave he cannot brave we cannot brave you cannot brave they cannot brave
V-ing form
I cannot be braving you cannot be braving he cannot be braving we cannot be braving you cannot be braving they cannot be braving
Perfect
I cannot have braved you cannot have braved he cannot have braved we cannot have braved you cannot have braved they cannot have braved
V-ing perfect
I cannot have been braving you cannot have been braving he cannot have been braving we cannot have been braving you cannot have been braving they cannot have been braving
Interrogative form
Simple form
can I brave? can you brave? can he brave? can we brave? can you brave? can they brave?
V-ing form
can I be braving? can you be braving? can he be braving? can we be braving? can you be braving? can they be braving?
Perfect
can I have braved? can you have braved? can he have braved? can we have braved? can you have braved? can they have braved?
V-ing perfect
can I have been braving? can you have been braving? can he have been braving? can we have been braving? can you have been braving? can they have been braving?
Interro-negative form
Simple form
can I not brave? can you not brave? can he not brave? can we not brave? can you not brave? can they not brave?
V-ing form
can I not be braving? can you not be braving? can he not be braving? can we not be braving? can you not be braving? can they not be braving?
Perfect
can I not have braved? can you not have braved? can he not have braved? can we not have braved? can you not have braved? can they not have braved?
V-ing perfect
can I not have been braving? can you not have been braving? can he not have been braving? can we not have been braving? can you not have been braving? can they not have been braving?