I can limb you can limb he can limb we can limb you can limb they can limb
V-ing form
I can be limbing you can be limbing he can be limbing we can be limbing you can be limbing they can be limbing
Perfect
I can have limbed you can have limbed he can have limbed we can have limbed you can have limbed they can have limbed
V-ing perfect
I can have been limbing you can have been limbing he can have been limbing we can have been limbing you can have been limbing they can have been limbing
Negation
Simple form
I cannot limb you cannot limb he cannot limb we cannot limb you cannot limb they cannot limb
V-ing form
I cannot be limbing you cannot be limbing he cannot be limbing we cannot be limbing you cannot be limbing they cannot be limbing
Perfect
I cannot have limbed you cannot have limbed he cannot have limbed we cannot have limbed you cannot have limbed they cannot have limbed
V-ing perfect
I cannot have been limbing you cannot have been limbing he cannot have been limbing we cannot have been limbing you cannot have been limbing they cannot have been limbing
Interrogative form
Simple form
can I limb? can you limb? can he limb? can we limb? can you limb? can they limb?
V-ing form
can I be limbing? can you be limbing? can he be limbing? can we be limbing? can you be limbing? can they be limbing?
Perfect
can I have limbed? can you have limbed? can he have limbed? can we have limbed? can you have limbed? can they have limbed?
V-ing perfect
can I have been limbing? can you have been limbing? can he have been limbing? can we have been limbing? can you have been limbing? can they have been limbing?
Interro-negative form
Simple form
can I not limb? can you not limb? can he not limb? can we not limb? can you not limb? can they not limb?
V-ing form
can I not be limbing? can you not be limbing? can he not be limbing? can we not be limbing? can you not be limbing? can they not be limbing?
Perfect
can I not have limbed? can you not have limbed? can he not have limbed? can we not have limbed? can you not have limbed? can they not have limbed?
V-ing perfect
can I not have been limbing? can you not have been limbing? can he not have been limbing? can we not have been limbing? can you not have been limbing? can they not have been limbing?