I can brad you can brad he can brad we can brad you can brad they can brad
V-ing form
I can be brading you can be brading he can be brading we can be brading you can be brading they can be brading
Perfect
I can have braded you can have braded he can have braded we can have braded you can have braded they can have braded
V-ing perfect
I can have been brading you can have been brading he can have been brading we can have been brading you can have been brading they can have been brading
Negation
Simple form
I can't brad you can't brad he can't brad we can't brad you can't brad they can't brad
V-ing form
I can't be brading you can't be brading he can't be brading we can't be brading you can't be brading they can't be brading
Perfect
I can't have braded you can't have braded he can't have braded we can't have braded you can't have braded they can't have braded
V-ing perfect
I can't have been brading you can't have been brading he can't have been brading we can't have been brading you can't have been brading they can't have been brading
Interrogative form
Simple form
can I brad? can you brad? can he brad? can we brad? can you brad? can they brad?
V-ing form
can I be brading? can you be brading? can he be brading? can we be brading? can you be brading? can they be brading?
Perfect
can I have braded? can you have braded? can he have braded? can we have braded? can you have braded? can they have braded?
V-ing perfect
can I have been brading? can you have been brading? can he have been brading? can we have been brading? can you have been brading? can they have been brading?
Interro-negative form
Simple form
can't I brad? can't you brad? can't he brad? can't we brad? can't you brad? can't they brad?
V-ing form
can't I be brading? can't you be brading? can't he be brading? can't we be brading? can't you be brading? can't they be brading?
Perfect
can't I have braded? can't you have braded? can't he have braded? can't we have braded? can't you have braded? can't they have braded?
V-ing perfect
can't I have been brading? can't you have been brading? can't he have been brading? can't we have been brading? can't you have been brading? can't they have been brading?