I can detach you can detach he can detach we can detach you can detach they can detach
V-ing form
I can be detaching you can be detaching he can be detaching we can be detaching you can be detaching they can be detaching
Perfect
I can have detached you can have detached he can have detached we can have detached you can have detached they can have detached
V-ing perfect
I can have been detaching you can have been detaching he can have been detaching we can have been detaching you can have been detaching they can have been detaching
Negation
Simple form
I can't detach you can't detach he can't detach we can't detach you can't detach they can't detach
V-ing form
I can't be detaching you can't be detaching he can't be detaching we can't be detaching you can't be detaching they can't be detaching
Perfect
I can't have detached you can't have detached he can't have detached we can't have detached you can't have detached they can't have detached
V-ing perfect
I can't have been detaching you can't have been detaching he can't have been detaching we can't have been detaching you can't have been detaching they can't have been detaching
Interrogative form
Simple form
can I detach? can you detach? can he detach? can we detach? can you detach? can they detach?
V-ing form
can I be detaching? can you be detaching? can he be detaching? can we be detaching? can you be detaching? can they be detaching?
Perfect
can I have detached? can you have detached? can he have detached? can we have detached? can you have detached? can they have detached?
V-ing perfect
can I have been detaching? can you have been detaching? can he have been detaching? can we have been detaching? can you have been detaching? can they have been detaching?
Interro-negative form
Simple form
can't I detach? can't you detach? can't he detach? can't we detach? can't you detach? can't they detach?
V-ing form
can't I be detaching? can't you be detaching? can't he be detaching? can't we be detaching? can't you be detaching? can't they be detaching?
Perfect
can't I have detached? can't you have detached? can't he have detached? can't we have detached? can't you have detached? can't they have detached?
V-ing perfect
can't I have been detaching? can't you have been detaching? can't he have been detaching? can't we have been detaching? can't you have been detaching? can't they have been detaching?