I can disturb you can disturb he can disturb we can disturb you can disturb they can disturb
V-ing form
I can be disturbing you can be disturbing he can be disturbing we can be disturbing you can be disturbing they can be disturbing
Perfect
I can have disturbed you can have disturbed he can have disturbed we can have disturbed you can have disturbed they can have disturbed
V-ing perfect
I can have been disturbing you can have been disturbing he can have been disturbing we can have been disturbing you can have been disturbing they can have been disturbing
Negation
Simple form
I can't disturb you can't disturb he can't disturb we can't disturb you can't disturb they can't disturb
V-ing form
I can't be disturbing you can't be disturbing he can't be disturbing we can't be disturbing you can't be disturbing they can't be disturbing
Perfect
I can't have disturbed you can't have disturbed he can't have disturbed we can't have disturbed you can't have disturbed they can't have disturbed
V-ing perfect
I can't have been disturbing you can't have been disturbing he can't have been disturbing we can't have been disturbing you can't have been disturbing they can't have been disturbing
Interrogative form
Simple form
can I disturb? can you disturb? can he disturb? can we disturb? can you disturb? can they disturb?
V-ing form
can I be disturbing? can you be disturbing? can he be disturbing? can we be disturbing? can you be disturbing? can they be disturbing?
Perfect
can I have disturbed? can you have disturbed? can he have disturbed? can we have disturbed? can you have disturbed? can they have disturbed?
V-ing perfect
can I have been disturbing? can you have been disturbing? can he have been disturbing? can we have been disturbing? can you have been disturbing? can they have been disturbing?
Interro-negative form
Simple form
can't I disturb? can't you disturb? can't he disturb? can't we disturb? can't you disturb? can't they disturb?
V-ing form
can't I be disturbing? can't you be disturbing? can't he be disturbing? can't we be disturbing? can't you be disturbing? can't they be disturbing?
Perfect
can't I have disturbed? can't you have disturbed? can't he have disturbed? can't we have disturbed? can't you have disturbed? can't they have disturbed?
V-ing perfect
can't I have been disturbing? can't you have been disturbing? can't he have been disturbing? can't we have been disturbing? can't you have been disturbing? can't they have been disturbing?