I can breach you can breach he can breach we can breach you can breach they can breach
V-ing form
I can be breaching you can be breaching he can be breaching we can be breaching you can be breaching they can be breaching
Perfect
I can have breached you can have breached he can have breached we can have breached you can have breached they can have breached
V-ing perfect
I can have been breaching you can have been breaching he can have been breaching we can have been breaching you can have been breaching they can have been breaching
Negation
Simple form
I can't breach you can't breach he can't breach we can't breach you can't breach they can't breach
V-ing form
I can't be breaching you can't be breaching he can't be breaching we can't be breaching you can't be breaching they can't be breaching
Perfect
I can't have breached you can't have breached he can't have breached we can't have breached you can't have breached they can't have breached
V-ing perfect
I can't have been breaching you can't have been breaching he can't have been breaching we can't have been breaching you can't have been breaching they can't have been breaching
Interrogative form
Simple form
can I breach? can you breach? can he breach? can we breach? can you breach? can they breach?
V-ing form
can I be breaching? can you be breaching? can he be breaching? can we be breaching? can you be breaching? can they be breaching?
Perfect
can I have breached? can you have breached? can he have breached? can we have breached? can you have breached? can they have breached?
V-ing perfect
can I have been breaching? can you have been breaching? can he have been breaching? can we have been breaching? can you have been breaching? can they have been breaching?
Interro-negative form
Simple form
can't I breach? can't you breach? can't he breach? can't we breach? can't you breach? can't they breach?
V-ing form
can't I be breaching? can't you be breaching? can't he be breaching? can't we be breaching? can't you be breaching? can't they be breaching?
Perfect
can't I have breached? can't you have breached? can't he have breached? can't we have breached? can't you have breached? can't they have breached?
V-ing perfect
can't I have been breaching? can't you have been breaching? can't he have been breaching? can't we have been breaching? can't you have been breaching? can't they have been breaching?